diff --git a/.ccls b/.ccls
new file mode 100644
index 0000000..e69de29
diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..4a4726a
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use_nix
diff --git a/.gitignore b/.gitignore
index 0f1d2c6..07180cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,13 +1,15 @@
 /reaction
-/ip46tables
-/nft46
-/reaction*.db
+reaction.db
+reaction.db.old
+/data
 /reaction*.sock
 /result
 /wiki
-/deb
 *.deb
 *.minisig
 *.qcow2
-debian-packaging/*
 *.swp
+/target
+/local
+.ccls-cache
+.direnv
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index 78d7601..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,15 +0,0 @@
----
-image: golang:1.20-bookworm
-stages:
-  - build
-
-variables:
-  DEBIAN_FRONTEND: noninteractive
-
-test_building:
-  stage: build
-  before_script:
-    - apt-get -qq -y update
-    - apt-get -qq -y install build-essential devscripts debhelper quilt wget
-  script:
-    - make reaction ip46tables nft46
diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
new file mode 100644
index 0000000..4289e65
--- /dev/null
+++ b/ARCHITECTURE.md
@@ -0,0 +1,81 @@
+# Architecture
+
+Here is a high-level overview of the codebase.
+
+*Don't hesitate to create an issue or a merge request if something is unclear, missing or outdated.*
+
+## Build
+
+- `bench/`: Configuration that spawns a very high load on reaction. Useful to test performance improvements and regressions.
+- `build.rs`: permits to create shell completions and man pages on build.
+- `Cargo.toml`, `Cargo.lock`: manifest and dependencies.
+- `config/`: example / test configuration files. Look at its git history to discover more.
+- `Makefile`: Makefile. Resumes useful commands.
+- `packaging/`: Files useful for .deb and .tar generation.
+- `release.py`: Build process for a release. Handles cross-compilation, .tar and .deb generation.
+
+## Main source code
+
+- `tests/`: Integration tests. They test reaction runtime behavior, persistance, client-daemon communication, plugin integrations.
+- `src/`: The source code, here we go!
+
+### Top-level files
+
+- `src/main.rs`: Main entrypoint
+- `src/lib.rs`: Second main entrypoint
+- `src/cli.rs`: Command-line arguments
+- `src/tests.rs`: Test utilities
+- `src/protocol.rs`: de/serialization and client/daemon protocol messages.
+
+### `src/concepts/`
+
+reaction really is about its configuration, which is at the center of the code.
+
+There is one file for each of its concepts: configuration, streams, filters, actions, patterns, plugins.
+
+### `src/client/`
+
+Client code: `reaction show`, `reaction flush`, `reaction trigger`, `reaction test-regex`.
+
+- `request.rs`: commands requiring client/server communication: `show`, `flush` & `trigger`.
+- `test_config.rs`: `test-config` command.
+- `test_regex.rs`: `test-regex` command.
+
+### `src/daemon`
+
+Daemon runtime structures and logic.
+
+This code has async code, to handle input streams and communication with clients, using the tokio runtime.
+
+- `mod.rs`: daemon main function. Initializes all tasks, handles synchronization and quitting, etc.
+- `stream.rs`: Stream managers: start the stream `cmd` and dispatch its stdout lines to its Filter managers.
+- `filter/`: Filter managers: handle lines, persistance, store matches and trigger actions. This is the main piece of runtime logic.
+    - `mod.rs`: High-level logic
+    - `state.rs`: Inner state operations
+- `socket.rs`: The socket task, responsible for communication with clients.
+- `plugin.rs`: Plugin startup, configuration loading and cleanup.
+
+### `crates/treedb`
+
+Persistence layer.
+
+This is a database highly adapted to reaction workload, making reaction faster than when used with general purpose key-value databases
+(heed, sled and fjall crates have been tested).
+Its design is explained in the comments of its files:
+
+- `lib.rs`: main database code, with its two API structs: Tree and Database.
+- `raw.rs`: low-level part, directly interacting with de/serializisation and files.
+- `time.rs`: time definitions shared with reaction.
+- `helpers.rs`: utilities to ease db deserialization from disk.
+
+### `plugins/reaction-plugin`
+
+Shared plugin interface between reaction daemon and its plugins.
+
+Also defines some shared logic between them:
+- `shutdown.rs`: Logic for passing shutdown signal across all tasks
+- `parse_duration.rs` Duration parsing
+
+### `plugins/reaction-plugin-*`
+
+All core plugins.
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+[[package]]
+name = "xml-rs"
+version = "0.8.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ae8337f8a065cfc972643663ea4279e04e7256de865aa66fe25cec5fb912d3f"
+
+[[package]]
+name = "xmltree"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7d8a75eaf6557bb84a65ace8609883db44a29951042ada9b393151532e41fcb"
+dependencies = [
+ "xml-rs",
+]
+
+[[package]]
+name = "yansi-term"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe5c30ade05e61656247b2e334a031dfd0cc466fadef865bdcdea8d537951bf1"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "yoke"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72d6e5c6afb84d73944e5cedb052c4680d5657337201555f9f2a16b7406d4954"
+dependencies = [
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+ "synstructure 0.13.2",
+]
+
+[[package]]
+name = "z32"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2164e798d9e3d84ee2c91139ace54638059a3b23e361f5c11781c2c6459bde0f"
+
+[[package]]
+name = "zerocopy"
+version = "0.8.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "668f5168d10b9ee831de31933dc111a459c97ec93225beb307aed970d1372dfd"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+ "synstructure 0.13.2",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
+[[package]]
+name = "zerotrie"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a59c17a5562d507e4b54960e8569ebee33bee890c70aa3fe7b97e85a9fd7851"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+]
+
+[[package]]
+name = "zerovec"
+version = "0.11.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c28719294829477f525be0186d13efa9a3c602f7ec202ca9e353d310fb9a002"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
+[[package]]
+name = "zmij"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94f63c051f4fe3c1509da62131a678643c5b6fbdc9273b2b79d4378ebda003d2"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..66e95e3
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,105 @@
+[package]
+name = "reaction"
+version = "2.3.0"
+edition = "2024"
+authors = ["ppom <reaction@ppom.me>"]
+license = "AGPL-3.0"
+description = "Scan logs and take action"
+readme = "README.md"
+homepage = "https://reaction.ppom.me"
+repository = "https://framagit.org/ppom/reaction"
+keywords = ["security", "sysadmin", "fail2ban", "logs", "monitoring"]
+build = "build.rs"
+default-run = "reaction"
+
+[package.metadata.deb]
+section = "net"
+extended-description = """A daemon that scans program outputs for repeated patterns, and takes action.
+A common usage is to scan ssh and webserver logs, and to ban hosts that cause multiple authentication errors.
+reaction aims at being a successor to fail2ban."""
+maintainer-scripts = "packaging/"
+systemd-units = { enable = false }
+assets = [
+	# Executables
+	[ "target/release/reaction", "/usr/bin/reaction", "755" ],
+	[ "target/release/reaction-plugin-virtual", "/usr/bin/reaction-plugin-virtual", "755" ],
+	# Man pages
+	[ "target/release/reaction*.1", "/usr/share/man/man1/", "644" ],
+	# Shell completions
+	[ "target/release/reaction.bash", "/usr/share/bash-completion/completions/reaction", "644" ],
+	[ "target/release/reaction.fish", "/usr/share/fish/completions/", "644" ],
+	[ "target/release/_reaction", "/usr/share/zsh/vendor-completions/", "644" ],
+	# Slice
+	[ "packaging/system-reaction.slice", "/usr/lib/systemd/system/", "644" ],
+]
+
+[dependencies]
+# Time types
+chrono.workspace = true
+# CLI parsing
+clap = { version = "4.5.4", features = ["derive"] }
+# Unix interfaces
+nix = { version = "0.29.0", features = ["signal"] }
+num_cpus = "1.16.0"
+# Regex matching
+regex = "1.10.4"
+# Configuration languages, ser/deserialisation
+serde.workspace = true
+serde_json.workspace = true
+serde_yaml = "0.9.34"
+jrsonnet-evaluator = "0.4.2"
+# Error macro
+thiserror.workspace = true
+# Async runtime & helpers
+futures = { workspace = true }
+tokio = { workspace = true, features = ["full", "tracing"] }
+tokio-util = { workspace = true, features = ["codec"] }
+# Async logging
+tracing.workspace = true
+tracing-subscriber = "0.3.18"
+# Database
+treedb.workspace = true
+# Reaction plugin system
+remoc.workspace = true
+reaction-plugin.workspace = true
+
+[build-dependencies]
+clap = { version = "4.5.4", features = ["derive"] }
+clap_complete = "4.5.2"
+clap_mangen = "0.2.24"
+regex = "1.10.4"
+tracing = "0.1.40"
+
+[dev-dependencies]
+rand = "0.8.5"
+treedb.workspace = true
+treedb.features = ["test"]
+tempfile.workspace = true
+assert_fs.workspace = true
+assert_cmd = "2.0.17"
+predicates = "3.1.3"
+
+[workspace]
+members = [
+	"crates/treedb",
+	"plugins/reaction-plugin",
+	"plugins/reaction-plugin-cluster",
+	"plugins/reaction-plugin-ipset",
+	"plugins/reaction-plugin-nftables",
+	"plugins/reaction-plugin-virtual"
+]
+
+[workspace.dependencies]
+assert_fs = "1.1.3"
+chrono = { version = "0.4.38", features = ["std", "clock", "serde"] }
+futures = "0.3.30"
+remoc = { version = "0.18.3" }
+serde = { version = "1.0.203", features = ["derive"] }
+serde_json = { version = "1.0.117", features = ["arbitrary_precision"] }
+tempfile = "3.12.0"
+thiserror = "1.0.63"
+tokio = { version = "1.40.0" }
+tokio-util = { version = "0.7.12" }
+tracing = "0.1.40"
+reaction-plugin = { path = "plugins/reaction-plugin" }
+treedb = { path = "crates/treedb" }
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1c5d54e
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,11 @@
+# This Dockerfile permits to build reaction and its plugins
+
+# Use debian old-stable, so that it runs on both old-stable and stable
+FROM rust:bookworm
+
+RUN apt update && apt install -y \
+  clang \
+  libipset-dev \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /reaction
diff --git a/Makefile b/Makefile
index 1226d7b..9b31a54 100644
--- a/Makefile
+++ b/Makefile
@@ -1,51 +1,23 @@
 CC ?= gcc
 PREFIX ?= /usr/local
 BINDIR = $(PREFIX)/bin
+MANDIR = $(PREFIX)/share/man/man1
 SYSTEMDDIR ?= /etc/systemd
 
-all: reaction ip46tables nft46
+all: reaction
 
 clean:
-	rm -f reaction ip46tables nft46 reaction*.deb reaction.minisig ip46tables.minisig nft46.minisig reaction*.deb.minisig
-	rm -rf debian-packaging
+	cargo clean
 
-ip46tables: helpers_c/ip46tables.c
-	$(CC) -s -static helpers_c/ip46tables.c -o ip46tables
+reaction:
+	cargo build --release
 
-nft46: helpers_c/nft46.c
-	$(CC) -s -static helpers_c/nft46.c -o nft46
-
-reaction: app/* reaction.go go.mod go.sum
-	CGO_ENABLED=0 go build -buildvcs=false -ldflags "-s -X main.version=`git tag --sort=v:refname | tail -n1` -X main.commit=`git rev-parse --short HEAD`"
-
-reaction_%-1_amd64.deb:
-	apt-get -qq -y update
-	apt-get -qq -y install build-essential devscripts debhelper quilt wget
-	if [ -e debian-packaging ]; then rm -rf debian-packaging; fi
-	mkdir debian-packaging
-	wget "https://framagit.org/ppom/reaction/-/archive/v${*}/reaction-v${*}.tar.gz" -O "debian-packaging/reaction_${*}.orig.tar.gz"
-	cd debian-packaging && tar xf "reaction_${*}.orig.tar.gz"
-	cp -r debian "debian-packaging/reaction-v${*}"
-	if [ -e "debian/changelog" ]; then \
-		cd "debian-packaging/reaction-v${*}" && \
-		DEBFULLNAME=ppom DEBEMAIL=reaction@ppom.me dch --package reaction --newversion "${*}-1" "New upstream release."; \
-	else \
-		cd "debian-packaging/reaction-v${*}" && \
-		DEBFULLNAME=ppom DEBEMAIL=reaction@ppom.me dch --create --package reaction --newversion "${*}-1" "Initial release."; \
-	fi
-	cd "debian-packaging/reaction-v${*}" && DEBFULLNAME=ppom DEBEMAIL=reaction@ppom.me dch --release --distribution stable --urgency low ""
-	cd "debian-packaging/reaction-v${*}" && debuild --prepend-path=/go/bin:/usr/local/go/bin -us -uc
-	cp "debian-packaging/reaction-v${*}/debian/changelog" debian/
-	cp "debian-packaging/reaction_${*}-1_amd64.deb" .
-
-signatures_%: reaction_%-1_amd64.deb reaction ip46tables nft46
-	minisign -Sm nft46 ip46tables reaction reaction_${*}-1_amd64.deb
-
-install: all
-	install -m755 reaction $(DESTDIR)$(BINDIR)
-	install -m755 ip46tables $(DESTDIR)$(BINDIR)
-	install -m755 nft46 $(DESTDIR)$(BINDIR)
+install: reaction
+	install -m755 target/release/reaction $(DESTDIR)$(BINDIR)
 
 install_systemd: install
-	install -m644 config/reaction.example.service $(SYSTEMDDIR)/system/reaction.service
-	sed -i 's#/usr/bin#$(DESTDIR)$(BINDIR)#' $(SYSTEMDDIR)/system/reaction.service
+	install -m644 packaging/reaction.service $(SYSTEMDDIR)/system/reaction.service
+	sed -i 's#/usr/local/bin#$(DESTDIR)$(BINDIR)#' $(SYSTEMDDIR)/system/reaction.service
+
+release:
+	nix-shell release.py
diff --git a/README.md b/README.md
index fb0d0d1..7d33ab5 100644
--- a/README.md
+++ b/README.md
@@ -4,32 +4,40 @@ A daemon that scans program outputs for repeated patterns, and takes action.
 
 A common usage is to scan ssh and webserver logs, and to ban hosts that cause multiple authentication errors.
 
-🚧 This program hasn't received external audit. however, it already works well on my servers 🚧
+🚧 This program hasn't received external security audit yet. However, it already works well on many servers 🚧
 
 ## Rationale
 
-I was using the honorable fail2ban since quite a long time, but i was a bit frustrated by its cpu consumption
+I was using the honorable fail2ban since quite a long time, but i was a bit frustrated by its CPU consumption
 and all its heavy default configuration.
 
 In my view, a security-oriented program should be simple to configure
 and an always-running daemon should be implemented in a fast*er* language.
 
-reaction does not have all the features of the honorable fail2ban, but it's ~10x faster and has more manageable configuration.
+reaction does not have all the features of the honorable fail2ban, but it's more than 10x faster and has more manageable configuration.
 
 [📽️ quick french name explanation 😉](https://u.ppom.me/reaction.webm)
 
 [🇬🇧 in-depth blog article](https://blog.ppom.me/en-reaction)
 / [🇫🇷 french version](https://blog.ppom.me/fr-reaction)
 
+## Rust rewrite
+
+reaction v2.x is a complete Rust rewrite of reaction.
+It's in feature parity with the Go version, v1.x, which is now deprecated.
+
+See https://blog.ppom.me/en-reaction-v2.
+
 ## Configuration
 
 YAML and [JSONnet](https://jsonnet.org/) (more powerful) are supported.
 both are extensions of JSON, so JSON is transitively supported.
 
-- See [reaction.yml](./app/example.yml) or [reaction.jsonnet](./config/example.jsonnet) for a fully explained reference
-- See [server.jsonnet](./config/server.jsonnet) for a real-world configuration
-- See [reaction.example.service](./config/reaction.example.service) for a systemd service file
-- This quick example shows what's needed to prevent brute force attacks on an ssh server:
+- See [reaction.yml](./config/example.yml) or [reaction.jsonnet](./config/example.jsonnet) for a fully explained reference (ipv4 + ipv6)
+- See the [wiki](https://reaction.ppom.me) for multiple examples, security recommendations and FAQ.
+- See [server.jsonnet](https://reaction.ppom.me/configurations/ppom/server.jsonnet.html) for a real-world configuration
+- See [reaction.service](./config/reaction.service) for a systemd service file
+- This minimal example (ipv4 only) shows what's needed to prevent brute force attacks on an ssh server (please read at least the [Security](https://reaction.ppom.me/security.html) part of the wiki before starting 🆙):
 
 <details open>
 
@@ -37,18 +45,19 @@ both are extensions of JSON, so JSON is transitively supported.
 
 ```yaml
 patterns:
-  ip: '(([ 0-9 ]{1,3}\.){3}[0-9]{1,3})|([0-9a-fA-F:]{2,90})'
+  ip:
+    type: ipv4
 
 start:
-  - [ 'ip46tables', '-w', '-N', 'reaction' ]
-  - [ 'ip46tables', '-w', '-A', 'reaction', '-j', 'ACCEPT' ]
-  - [ 'ip46tables', '-w', '-I', 'reaction', '1', '-s', '127.0.0.1', '-j', 'ACCEPT' ]
-  - [ 'ip46tables', '-w', '-I', 'INPUT', '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables', '-w', '-N', 'reaction' ]
+  - [ 'iptables', '-w', '-I', 'INPUT',   '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables', '-w', '-I', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
 
 stop:
-  - [ 'ip46tables', '-w', '-D', 'INPUT', '-p', 'all', '-j', 'reaction' ]
-  - [ 'ip46tables', '-w', '-F', 'reaction' ]
-  - [ 'ip46tables', '-w', '-X', 'reaction' ]
+  - [ 'iptables', '-w', '-D', 'INPUT',   '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables', '-w', '-D', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables', '-w', '-F', 'reaction' ]
+  - [ 'iptables', '-w', '-X', 'reaction' ]
 
 streams:
   ssh:
@@ -57,13 +66,16 @@ streams:
       failedlogin:
         regex:
           - 'authentication failure;.*rhost=<ip>'
+          - 'Failed password for .* from <ip>'
+          - 'Invalid user .* from <ip>'
+          - 'banner exchange: Connection from <ip> port [0-9]*: invalid format'
         retry: 3
         retryperiod: '6h'
         actions:
           ban:
-            cmd: [ 'ip46tables', '-w', '-I', 'reaction', '1', '-s', '<ip>', '-j', 'block' ]
+            cmd: [ 'iptables', '-w', '-I', 'reaction', '1', '-s', '<ip>', '-j', 'DROP' ]
           unban:
-            cmd: [ 'ip46tables', '-w', '-D', 'reaction', '1', '-s', '<ip>', '-j', 'block' ]
+            cmd: [ 'iptables', '-w', '-D', 'reaction', '1', '-s', '<ip>', '-j', 'DROP' ]
             after: '48h'
 ```
 
@@ -74,39 +86,44 @@ streams:
 <summary><code>/etc/reaction.jsonnet</code></summary>
 
 ```jsonnet
-local iptables(args) = [ 'ip46tables', '-w' ] + args;
 local banFor(time) = {
   ban: {
-    cmd: iptables(['-A', 'reaction', '-s', '<ip>', '-j', 'reaction-log-refuse']),
+    cmd: ['iptables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP'],
   },
   unban: {
+    cmd: ['iptables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP'],
     after: time,
-    cmd: iptables(['-D', 'reaction', '-s', '<ip>', '-j', 'reaction-log-refuse']),
   },
 };
+
 {
   patterns: {
     ip: {
-      regex: @'(?:(?:[ 0-9 ]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})',
+      type: 'ipv4',
     },
   },
   start: [
-    iptables([ '-N', 'reaction' ]),
-    iptables([ '-A', 'reaction', '-j', 'ACCEPT' ]),
-    iptables([ '-I', 'reaction', '1', '-s', '127.0.0.1', '-j', 'ACCEPT' ]),
-    iptables([ '-I', 'INPUT', '-p', 'all', '-j', 'reaction' ]),
+    ['iptables', '-N', 'reaction'],
+    ['iptables', '-I', 'INPUT', '-p', 'all', '-j', 'reaction'],
+    ['iptables', '-I', 'FORWARD', '-p', 'all', '-j', 'reaction'],
   ],
   stop: [
-    iptables([ '-D', 'INPUT', '-p', 'all', '-j', 'reaction' ]),
-    iptables([ '-F', 'reaction' ]),
-    iptables([ '-X', 'reaction' ]),
+    ['iptables', '-D', 'INPUT', '-p', 'all', '-j', 'reaction'],
+    ['iptables', '-D', 'FORWARD', '-p', 'all', '-j', 'reaction'],
+    ['iptables', '-F', 'reaction'],
+    ['iptables', '-X', 'reaction'],
   ],
   streams: {
     ssh: {
-      cmd: [ 'journalctl', '-fu', 'sshd.service' ],
+      cmd: ['journalctl', '-fu', 'sshd.service'],
       filters: {
         failedlogin: {
-          regex: [ @'authentication failure;.*rhost=<ip>' ],
+          regex: [
+            @'authentication failure;.*rhost=<ip>',
+            @'Failed password for .* from <ip>',
+            @'banner exchange: Connection from <ip> port [0-9]*: invalid format',
+            @'Invalid user .* from <ip>',
+          ],
           retry: 3,
           retryperiod: '6h',
           actions: banFor('48h'),
@@ -119,30 +136,35 @@ local banFor(time) = {
 
 </details>
 
+> It is recommended to setup reaction with [`nftables`](https://reaction.ppom.me/actions/nftables.html)
+> or [`ipset` + `iptables`](https://reaction.ppom.me/actions/ipset.html), which are much more performant
+> solutions than `iptables` alone.
 
 ### Database
 
-The embedded database is stored in the working directory.
+The embedded database is stored in the working directory (but can be overriden by the `state_directory` config option).
 If you don't know where to start reaction, `/var/lib/reaction` should be a sane choice.
 
 ### CLI
 
 - `reaction start` runs the server
-- `reaction show` show pending actions (ie. bans)
+- `reaction show` show pending actions (ie. show current bans)
 - `reaction flush` permits to run pending actions (ie. clear bans)
+- `reaction trigger` permits to manually trigger a filter (ie. run custom ban)
 - `reaction test-regex` permits to test regexes
+- `reaction test-config` shows loaded configuration
 - `reaction help` for full usage.
 
-### `ip46tables`
+### old binaries
 
-`ip46tables` is a minimal c program present in its own subdirectory with only standard posix dependencies.
-
-It permits to configure `iptables` and `ip6tables` at the same time.
-It will execute `iptables` when detecting ipv4, `ip6tables` when detecting ipv6 and both if no ip address is present on the command line.
+`ip46tables` and `nft46` binaries are no longer part of reaction. If you really need them, see
+[the last commit that included them](https://framagit.org/ppom/reaction/-/tree/b7d997ca5e9a69c8572bb2ec9d27d0eb03b3cb9f/helpers_c).
 
 ## Wiki
 
-You'll find more ressources, service configurations, etc. on the [Wiki](https://reaction.ppom.me)!
+You'll find more ressources, service configurations, etc. on [the wiki](https://reaction.ppom.me)!
+
+We recommend that you read the ***Good Practices*** chapters before starting.
 
 ## Installation
 
@@ -150,53 +172,23 @@ You'll find more ressources, service configurations, etc. on the [Wiki](https://
 
 ### Binaries
 
-Executables are provided [here](https://framagit.org/ppom/reaction/-/releases/), for a standard x86-64 linux machine.
+Executables and .deb packages are provided [in the releases page](https://framagit.org/ppom/reaction/-/releases/), for x86-64/amd64 linux and aarch64/arm64 linux.
 
-A standard place to put such executables is `/usr/local/bin/`.
+Signature verification and installation instructions are provided in the releases page.
 
-> Provided binaries in the previous section are compiled this way:
-```shell
-$ docker run -it --rm -e HOME=/tmp/ -v $(pwd):/tmp/code -w /tmp/code -u $(id -u) golang:1.20 make clean reaction.deb
-$ make signaturese
-```
-#### Signature verification
-
-Starting at v1.0.3, all binaries are signed with public key `RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX`. You can check their authenticity with minisign:
-```bash
-minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m nft46
-minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m ip46tables
-minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m reaction
-# or
-minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m reaction.deb
-```
-
-#### Debian
-
-The releases also contain a `reaction.deb` file, which packages reaction & ip46tables.
-You can install it using `sudo apt install ./reaction.deb`.
-You'll have to create a configuration at `/etc/reaction.jsonnet`.
-
-If you want to use another configuration format (YAML or JSON), you can override systemd's `ExecStart` command in `/etc/systemd/system/reaction.service` like this:
-```systemd
-[Service]
-# First an empty directive to reset the default one
-ExecStart=
-# Then put what you want
-ExecStart=/usr/bin/reaction start -c /etc/reaction.yml
-```
+> Provided binaries are compiled by running `nix-shell release.py` on a NixOS machine with docker installed.
 
 #### NixOS
 
-- [ package ](https://framagit.org/ppom/nixos/-/blob/main/pkgs/reaction/default.nix)
-- [ module ](https://framagit.org/ppom/nixos/-/blob/main/modules/common/reaction.nix)
+reaction is packaged, but the [**module**](https://framagit.org/ppom/nixos/-/blob/main/modules/common/reaction.nix) has not yet been upstreamed.
 
 #### OpenBSD
 
-[wiki](https://reaction.ppom.me/configs/openbsd.html)
+See the [wiki](https://reaction.ppom.me/configurations/OpenBSD.html).
 
 ### Compilation
 
-You'll need the go (>= 1.20) toolchain for reaction and a c compiler for ip46tables.
+You'll need a recent rust toolchain for reaction and a c compiler for ip46tables.
 ```shell
 $ make
 ```
@@ -214,9 +206,46 @@ To install the systemd file as well
 make install_systemd
 ```
 
-## Development
+## Contributing
 
-Contributions are welcome. For any substantial feature, please file an issue first, to be assured that we agree on the feature, and to avoid unnecessary work.
+> We, as participants in the open source ecosystem, are ethically responsible for the software
+> and hardware we help create - as it can be used to perpetuate inequalities or help empower
+> marginalized communities, and fight against patriarchy, capitalism, sexism, gender violence,
+> racism, ableism, homophobia, colonialism, fascism, surveillance, and oppressive control.
 
-This is a free time project, so I'm not working on schedule.
-However, if you're willing to fund the project, I can priorise and plan paid work. This includes features, documentation and specific JSONnet configurations.
+- [NGI's Diversity and Inclusion Guide](https://nlnet.nl/NGI0/bestpractices/DiversityAndInclusionGuide-v4.pdf)
+
+I'll do my best to maintain a safe contribution place, as free as possible from discrimination and elitism.
+
+### Ideas
+
+Please take a look at issues which have the "Opinion Welcome 👀" label!
+*Your opinion is welcome.*
+
+Your ideas are welcome in the issues.
+
+### Code
+
+Contributions are welcome.
+
+For any substantial feature, please file an issue first, to be assured that we agree on the feature, and to avoid unnecessary work.
+
+I recommend reading [`ARCHITECTURE.md`](ARCHITECTURE.md) first. This is a quick tour of the codebase, which should save time to new contributors.
+
+You can also join this Matrix development room: [#reaction-dev-en:club1.fr](https://matrix.to/#/#reaction-dev-en:club1.fr).
+French version: [#reaction-dev-fr:club1.fr](https://matrix.to/#/#reaction-dev-fr:club1.fr).
+
+## Help
+
+You can ask for help in the issues or in this Matrix room: [#reaction-users-en:club1.fr](https://matrix.to/#/#reaction-users-en:club1.fr).
+French version: [#reaction-users-fr:club1.fr](https://matrix.to/#/#reaction-users-fr:club1.fr).
+You can alternatively send a mail: `reaction` on domain `ppom.me`.
+
+## Funding
+
+<!-- This is a free time project, so I'm not working on schedule.
+However, if you're willing to fund the project, I can priorise and plan paid work. This includes features, documentation and specific JSONnet configurations. -->
+
+This project is currenlty funded through the [NGI0 Core](https://nlnet.nl/core) Fund, a fund established by [NLnet](https://nlnet.nl) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu) programme.
+
+![NLnet logo](logo/nlnet.svg)
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..2b6071f
--- /dev/null
+++ b/TODO
@@ -0,0 +1,3 @@
+Test what happens when a Filter's pattern Set changes (I think it's shitty)
+DB: add tests on stress testing (lines should always be in order)
+conf: merge filters
diff --git a/app/client.go b/app/client.go
deleted file mode 100644
index ad61bea..0000000
--- a/app/client.go
+++ /dev/null
@@ -1,393 +0,0 @@
-package app
-
-import (
-	"bufio"
-	"encoding/gob"
-	"encoding/json"
-	"fmt"
-	"net"
-	"os"
-	"regexp"
-	"slices"
-	"strings"
-	"time"
-
-	"framagit.org/ppom/reaction/logger"
-	"sigs.k8s.io/yaml"
-)
-
-const (
-	Info  = 0
-	Flush = 1
-)
-
-type Request struct {
-	Request int
-	Flush   PSF
-}
-
-type Response struct {
-	Err error
-	// Config  Conf
-	Matches MatchesMap
-	Actions ActionsMap
-}
-
-func SendAndRetrieve(data Request) Response {
-	conn, err := net.Dial("unix", *SocketPath)
-	if err != nil {
-		logger.Fatalln("Error opening connection to daemon:", err)
-	}
-	defer conn.Close()
-
-	err = gob.NewEncoder(conn).Encode(data)
-	if err != nil {
-		logger.Fatalln("Can't send message:", err)
-	}
-
-	var response Response
-	err = gob.NewDecoder(conn).Decode(&response)
-	if err != nil {
-		logger.Fatalln("Invalid answer from daemon:", err)
-	}
-	return response
-}
-
-type PatternStatus struct {
-	Matches int                 `json:"matches,omitempty"`
-	Actions map[string][]string `json:"actions,omitempty"`
-}
-type MapPatternStatus map[Match]*PatternStatus
-type MapPatternStatusFlush MapPatternStatus
-
-type ClientStatus map[string]map[string]MapPatternStatus
-type ClientStatusFlush ClientStatus
-
-func (mps MapPatternStatusFlush) MarshalJSON() ([]byte, error) {
-	for _, v := range mps {
-		return json.Marshal(v)
-	}
-	return []byte(""), nil
-}
-
-func (csf ClientStatusFlush) MarshalJSON() ([]byte, error) {
-	ret := make(map[string]map[string]MapPatternStatusFlush)
-	for k, v := range csf {
-		ret[k] = make(map[string]MapPatternStatusFlush)
-		for kk, vv := range v {
-			ret[k][kk] = MapPatternStatusFlush(vv)
-		}
-	}
-	return json.Marshal(ret)
-}
-
-func pfMatches(streamName string, filterName string, regexes map[string]*regexp.Regexp, match Match, filter *Filter) bool {
-	// Check stream and filter match
-	if streamName != "" && streamName != filter.Stream.Name {
-		return false
-	}
-	if filterName != "" && filterName != filter.Name {
-		return false
-	}
-	// Check that all user requested patterns are in this filter
-	var nbMatched int
-	var localMatches = match.Split()
-	// For each pattern of this filter
-	for i, pattern := range filter.Pattern {
-		// Check that this pattern has user requested name
-		if reg, ok := regexes[pattern.Name]; ok {
-			// Check that the PF.p[i] matches user requested pattern
-			if reg.MatchString(localMatches[i]) {
-				nbMatched++
-			}
-		}
-	}
-	if len(regexes) != nbMatched {
-		return false
-	}
-	// All checks passed
-	return true
-}
-
-func addMatchToCS(cs ClientStatus, pf PF, times map[time.Time]struct{}) {
-	patterns, streamName, filterName := pf.P, pf.F.Stream.Name, pf.F.Name
-	if cs[streamName] == nil {
-		cs[streamName] = make(map[string]MapPatternStatus)
-	}
-	if cs[streamName][filterName] == nil {
-		cs[streamName][filterName] = make(MapPatternStatus)
-	}
-	cs[streamName][filterName][patterns] = &PatternStatus{len(times), nil}
-}
-
-func addActionToCS(cs ClientStatus, pa PA, times map[time.Time]struct{}) {
-	patterns, streamName, filterName, actionName := pa.P, pa.A.Filter.Stream.Name, pa.A.Filter.Name, pa.A.Name
-	if cs[streamName] == nil {
-		cs[streamName] = make(map[string]MapPatternStatus)
-	}
-	if cs[streamName][filterName] == nil {
-		cs[streamName][filterName] = make(MapPatternStatus)
-	}
-	if cs[streamName][filterName][patterns] == nil {
-		cs[streamName][filterName][patterns] = new(PatternStatus)
-	}
-	ps := cs[streamName][filterName][patterns]
-	if ps.Actions == nil {
-		ps.Actions = make(map[string][]string)
-	}
-	for then := range times {
-		ps.Actions[actionName] = append(ps.Actions[actionName], then.Format(time.DateTime))
-	}
-}
-
-func printClientStatus(cs ClientStatus, format string) {
-	var text []byte
-	var err error
-	if format == "json" {
-		text, err = json.MarshalIndent(cs, "", "  ")
-	} else {
-		text, err = yaml.Marshal(cs)
-	}
-	if err != nil {
-		logger.Fatalln("Failed to convert daemon binary response to text format:", err)
-	}
-
-	fmt.Println(strings.ReplaceAll(string(text), "\\0", " "))
-}
-
-func compileKVPatterns(kvpatterns []string) map[string]*regexp.Regexp {
-	var regexes map[string]*regexp.Regexp
-	regexes = make(map[string]*regexp.Regexp)
-	for _, p := range kvpatterns {
-		// p syntax already checked in Main
-		key, value, found := strings.Cut(p, "=")
-		if !found {
-			logger.Printf(logger.ERROR, "Bad argument: no `=` in %v", p)
-			logger.Fatalln("Patterns must be prefixed by their name (e.g. ip=1.1.1.1)")
-		}
-		if regexes[key] != nil {
-			logger.Fatalf("Bad argument: same pattern name provided multiple times: %v", key)
-		}
-		compiled, err := regexp.Compile(fmt.Sprintf("^%v$", value))
-		if err != nil {
-			logger.Fatalf("Bad argument: Could not compile: `%v`: %v", value, err)
-		}
-		regexes[key] = compiled
-	}
-	return regexes
-}
-
-func ClientShow(format, stream, filter string, kvpatterns []string) {
-	response := SendAndRetrieve(Request{Info, PSF{}})
-	if response.Err != nil {
-		logger.Fatalln("Received error from daemon:", response.Err)
-	}
-
-	cs := make(ClientStatus)
-
-	var regexes map[string]*regexp.Regexp
-
-	if len(kvpatterns) != 0 {
-		regexes = compileKVPatterns(kvpatterns)
-	}
-
-	var found bool
-
-	// Painful data manipulation
-	for pf, times := range response.Matches {
-		// Check this PF is not empty
-		if len(times) == 0 {
-			continue
-		}
-		if !pfMatches(stream, filter, regexes, pf.P, pf.F) {
-			continue
-		}
-		addMatchToCS(cs, pf, times)
-		found = true
-	}
-
-	// Painful data manipulation
-	for pa, times := range response.Actions {
-		// Check this PF is not empty
-		if len(times) == 0 {
-			continue
-		}
-		if !pfMatches(stream, filter, regexes, pa.P, pa.A.Filter) {
-			continue
-		}
-		addActionToCS(cs, pa, times)
-		found = true
-	}
-
-	if !found {
-		logger.Println(logger.WARN, "No matching stream.filter items found. This does not mean it doesn't exist, maybe it just didn't receive any match.")
-		os.Exit(1)
-	}
-
-	printClientStatus(cs, format)
-
-	os.Exit(0)
-}
-
-// TODO : Show values we just flushed - for now we got no details :
-/*
- * % ./reaction flush -l ssh.failedlogin login=".*t"
- * ssh:
- *  failedlogin:
- *    actions:
- *      unban:
- *      - "2024-04-30 15:27:28"
- *      - "2024-04-30 15:27:28"
- *      - "2024-04-30 15:27:28"
- *      - "2024-04-30 15:27:28"
- *
- */
-func ClientFlush(format, streamName, filterName string, patterns []string) {
-	requestedPatterns := compileKVPatterns(patterns)
-
-	// Remember which Filters are compatible with the query
-	filterCompatibility := make(map[SF]bool)
-	isCompatible := func(filter *Filter) bool {
-		sf := SF{filter.Stream.Name, filter.Name}
-		compatible, ok := filterCompatibility[sf]
-
-		// already tested
-		if ok {
-			return compatible
-		}
-
-		for k := range requestedPatterns {
-			if -1 == slices.IndexFunc(filter.Pattern, func(pattern *Pattern) bool {
-				return pattern.Name == k
-			}) {
-				filterCompatibility[sf] = false
-				return false
-			}
-		}
-		filterCompatibility[sf] = true
-		return true
-	}
-
-	// match functions
-	kvMatch := func(filter *Filter, filterPatterns []string) bool {
-		// For each user requested pattern
-		for k, v := range requestedPatterns {
-			// Find its index on the Filter.Pattern
-			for i, pattern := range filter.Pattern {
-				if k == pattern.Name {
-					// Test the match
-					if !v.MatchString(filterPatterns[i]) {
-						return false
-					}
-				}
-			}
-		}
-		return true
-	}
-
-	var found bool
-	fullMatch := func(filter *Filter, match Match) bool {
-		// Test if we limit by stream
-		if streamName == "" || filter.Stream.Name == streamName {
-			// Test if we limit by filter
-			if filterName == "" || filter.Name == filterName {
-				found = true
-				filterPatterns := match.Split()
-				return isCompatible(filter) && kvMatch(filter, filterPatterns)
-			}
-		}
-		return false
-	}
-
-	response := SendAndRetrieve(Request{Info, PSF{}})
-	if response.Err != nil {
-		logger.Fatalln("Received error from daemon:", response.Err)
-	}
-
-	commands := make([]PSF, 0)
-
-	cs := make(ClientStatus)
-
-	for pf, times := range response.Matches {
-		if fullMatch(pf.F, pf.P) {
-			commands = append(commands, PSF{pf.P, pf.F.Stream.Name, pf.F.Name})
-			addMatchToCS(cs, pf, times)
-		}
-	}
-
-	for pa, times := range response.Actions {
-		if fullMatch(pa.A.Filter, pa.P) {
-			commands = append(commands, PSF{pa.P, pa.A.Filter.Stream.Name, pa.A.Filter.Name})
-			addActionToCS(cs, pa, times)
-		}
-	}
-
-	if !found {
-		logger.Println(logger.WARN, "No matching stream.filter items found. This does not mean it doesn't exist, maybe it just didn't receive any match.")
-		os.Exit(1)
-	}
-
-	for _, psf := range commands {
-		response := SendAndRetrieve(Request{Flush, psf})
-		if response.Err != nil {
-			logger.Fatalln("Received error from daemon:", response.Err)
-		}
-	}
-
-	printClientStatus(cs, format)
-	os.Exit(0)
-}
-
-func TestRegex(confFilename, regex, line string) {
-	conf := parseConf(confFilename)
-
-	// Code close to app/startup.go
-	var usedPatterns []*Pattern
-	for _, pattern := range conf.Patterns {
-		if strings.Contains(regex, pattern.nameWithBraces) {
-			usedPatterns = append(usedPatterns, pattern)
-			regex = strings.Replace(regex, pattern.nameWithBraces, pattern.Regex, 1)
-		}
-	}
-	reg, err := regexp.Compile(regex)
-	if err != nil {
-		logger.Fatalln("ERROR the specified regex is invalid: %v", err)
-		os.Exit(1)
-	}
-
-	// Code close to app/daemon.go
-	match := func(line string) {
-		var ignored bool
-		if matches := reg.FindStringSubmatch(line); matches != nil {
-			if usedPatterns != nil {
-				var result []string
-				for _, p := range usedPatterns {
-					match := matches[reg.SubexpIndex(p.Name)]
-					result = append(result, match)
-					if !p.notAnIgnore(&match) {
-						ignored = true
-					}
-				}
-				if !ignored {
-					fmt.Printf("\033[32mmatching\033[0m %v: %v\n", WithBrackets(result), line)
-				} else {
-					fmt.Printf("\033[33mignore matching\033[0m %v: %v\n", WithBrackets(result), line)
-				}
-			} else {
-				fmt.Printf("\033[32mmatching\033[0m [%v]:\n", line)
-			}
-		} else {
-			fmt.Printf("\033[31mno match\033[0m: %v\n", line)
-		}
-	}
-
-	if line != "" {
-		match(line)
-	} else {
-		logger.Println(logger.INFO, "no second argument: reading from stdin")
-		scanner := bufio.NewScanner(os.Stdin)
-		for scanner.Scan() {
-			match(scanner.Text())
-		}
-	}
-}
diff --git a/app/daemon.go b/app/daemon.go
deleted file mode 100644
index ba291bd..0000000
--- a/app/daemon.go
+++ /dev/null
@@ -1,447 +0,0 @@
-package app
-
-import (
-	"bufio"
-	"os"
-	"os/exec"
-	"os/signal"
-	"strings"
-	"sync"
-	"syscall"
-	"time"
-
-	"framagit.org/ppom/reaction/logger"
-)
-
-// Executes a command and channel-send its stdout
-func cmdStdout(commandline []string) chan *string {
-	lines := make(chan *string)
-
-	go func() {
-		cmd := exec.Command(commandline[0], commandline[1:]...)
-		stdout, err := cmd.StdoutPipe()
-		if err != nil {
-			logger.Fatalln("couldn't open stdout on command:", err)
-		}
-		if err := cmd.Start(); err != nil {
-			logger.Fatalln("couldn't start command:", err)
-		}
-		defer stdout.Close()
-		scanner := bufio.NewScanner(stdout)
-		for scanner.Scan() {
-			line := scanner.Text()
-			lines <- &line
-			logger.Println(logger.DEBUG, "stdout:", line)
-		}
-		close(lines)
-	}()
-
-	return lines
-}
-
-func runCommands(commands [][]string, moment string) bool {
-	ok := true
-	for _, command := range commands {
-		cmd := exec.Command(command[0], command[1:]...)
-		cmd.WaitDelay = time.Minute
-
-		logger.Printf(logger.INFO, "%v command: run %v\n", moment, command)
-
-		if err := cmd.Start(); err != nil {
-			logger.Printf(logger.ERROR, "%v command: run %v: %v", moment, command, err)
-			ok = false
-		} else {
-			err := cmd.Wait()
-			if err != nil {
-				logger.Printf(logger.ERROR, "%v command: run %v: %v", moment, command, err)
-				ok = false
-			}
-		}
-	}
-	return ok
-}
-
-func (p *Pattern) notAnIgnore(match *string) bool {
-	for _, regex := range p.compiledIgnoreRegex {
-		if regex.MatchString(*match) {
-			return false
-		}
-	}
-
-	for _, ignore := range p.Ignore {
-		if ignore == *match {
-			return false
-		}
-	}
-	return true
-}
-
-// Whether one of the filter's regexes is matched on a line
-func (f *Filter) match(line *string) Match {
-	for _, regex := range f.compiledRegex {
-
-		if matches := regex.FindStringSubmatch(*line); matches != nil {
-			if f.Pattern != nil {
-				var result []string
-				for _, p := range f.Pattern {
-					match := matches[regex.SubexpIndex(p.Name)]
-					if p.notAnIgnore(&match) {
-						result = append(result, match)
-					}
-				}
-				if len(result) == len(f.Pattern) {
-					logger.Printf(logger.INFO, "%s.%s: match %s", f.Stream.Name, f.Name, WithBrackets(result))
-					return JoinMatch(result)
-				}
-			} else {
-				logger.Printf(logger.INFO, "%s.%s: match [.]\n", f.Stream.Name, f.Name)
-				// No pattern, so this match will never actually be used
-				return "."
-			}
-		}
-	}
-	return ""
-}
-
-func (f *Filter) sendActions(match Match, at time.Time) {
-	for _, a := range f.Actions {
-		actionsC <- PAT{match, a, at.Add(a.afterDuration)}
-	}
-}
-
-func (a *Action) exec(match Match) {
-	defer wgActions.Done()
-
-	var computedCommand []string
-
-	if a.Filter.Pattern != nil {
-		computedCommand = make([]string, 0, len(a.Cmd))
-		matches := match.Split()
-
-		for _, item := range a.Cmd {
-			for i, p := range a.Filter.Pattern {
-				item = strings.ReplaceAll(item, p.nameWithBraces, matches[i])
-			}
-			computedCommand = append(computedCommand, item)
-		}
-	} else {
-		computedCommand = a.Cmd
-	}
-
-	logger.Printf(logger.INFO, "%s.%s.%s: run %s\n", a.Filter.Stream.Name, a.Filter.Name, a.Name, computedCommand)
-
-	cmd := exec.Command(computedCommand[0], computedCommand[1:]...)
-
-	if ret := cmd.Run(); ret != nil {
-		logger.Printf(logger.ERROR, "%s.%s.%s: run %s, code %s\n", a.Filter.Stream.Name, a.Filter.Name, a.Name, computedCommand, ret)
-	}
-}
-
-func ActionsManager(concurrency int) {
-	// concurrency init
-	execActionsC := make(chan PA)
-	if concurrency > 0 {
-		for i := 0; i < concurrency; i++ {
-			go func() {
-				var pa PA
-				for {
-					pa = <-execActionsC
-					pa.A.exec(pa.P)
-				}
-			}()
-		}
-	} else {
-		go func() {
-			var pa PA
-			for {
-				pa = <-execActionsC
-				go func(pa PA) {
-					pa.A.exec(pa.P)
-				}(pa)
-			}
-		}()
-	}
-	execAction := func(a *Action, p Match) {
-		wgActions.Add(1)
-		execActionsC <- PA{p, a}
-	}
-
-	// main
-	pendingActionsC := make(chan PAT)
-	for {
-		select {
-		case pat := <-actionsC:
-			pa := PA{pat.P, pat.A}
-			pattern, action, then := pat.P, pat.A, pat.T
-			now := time.Now()
-			// check if must be executed now
-			if then.Compare(now) <= 0 {
-				execAction(action, pattern)
-			} else {
-				if actions[pa] == nil {
-					actions[pa] = make(map[time.Time]struct{})
-				}
-				actions[pa][then] = struct{}{}
-				go func(insidePat PAT, insideNow time.Time) {
-					time.Sleep(insidePat.T.Sub(insideNow))
-					pendingActionsC <- insidePat
-				}(pat, now)
-			}
-		case pat := <-pendingActionsC:
-			pa := PA{pat.P, pat.A}
-			pattern, action, then := pat.P, pat.A, pat.T
-			if actions[pa] != nil {
-				delete(actions[pa], then)
-				execAction(action, pattern)
-			}
-		case fo := <-flushToActionsC:
-			for pa := range actions {
-				if fo.S == pa.A.Filter.Stream.Name &&
-					fo.F == pa.A.Filter.Name &&
-					fo.P == pa.P {
-					for range actions[pa] {
-						execAction(pa.A, pa.P)
-					}
-					delete(actions, pa)
-					break
-				}
-			}
-		case _, _ = <-stopActions:
-			for pa := range actions {
-				if pa.A.OnExit {
-					for range actions[pa] {
-						execAction(pa.A, pa.P)
-					}
-				}
-			}
-			wgActions.Done()
-			return
-		}
-	}
-}
-
-func MatchesManager() {
-	var fo PSF
-	var pft PFT
-	end := false
-
-	for !end {
-		select {
-		case fo = <-flushToMatchesC:
-			matchesManagerHandleFlush(fo)
-		case fo, ok := <-startupMatchesC:
-			if !ok {
-				end = true
-			} else {
-				_ = matchesManagerHandleMatch(fo)
-			}
-		}
-	}
-
-	for {
-		select {
-		case fo = <-flushToMatchesC:
-			matchesManagerHandleFlush(fo)
-		case pft = <-matchesC:
-
-			entry := LogEntry{pft.T, 0, pft.P, pft.F.Stream.Name, pft.F.Name, 0, false}
-
-			entry.Exec = matchesManagerHandleMatch(pft)
-
-			logsC <- entry
-		}
-	}
-}
-
-func matchesManagerHandleFlush(fo PSF) {
-	matchesLock.Lock()
-	for pf := range matches {
-		if fo.S == pf.F.Stream.Name &&
-			fo.F == pf.F.Name &&
-			fo.P == pf.P {
-			delete(matches, pf)
-			break
-		}
-	}
-	matchesLock.Unlock()
-}
-
-func matchesManagerHandleMatch(pft PFT) bool {
-	matchesLock.Lock()
-	defer matchesLock.Unlock()
-
-	filter, patterns, then := pft.F, pft.P, pft.T
-	pf := PF{pft.P, pft.F}
-
-	if filter.Retry > 1 {
-		// make sure map exists
-		if matches[pf] == nil {
-			matches[pf] = make(map[time.Time]struct{})
-		}
-		// add new match
-		matches[pf][then] = struct{}{}
-		// remove match when expired
-		go func(pf PF, then time.Time) {
-			time.Sleep(then.Sub(time.Now()) + filter.retryDuration)
-			matchesLock.Lock()
-			if matches[pf] != nil {
-				// FIXME replace this and all similar occurences
-				// by clear() when switching to go 1.21
-				delete(matches[pf], then)
-			}
-			matchesLock.Unlock()
-		}(pf, then)
-	}
-
-	if filter.Retry <= 1 || len(matches[pf]) >= filter.Retry {
-		delete(matches, pf)
-		filter.sendActions(patterns, then)
-		return true
-	}
-	return false
-}
-
-func StreamManager(s *Stream, endedSignal chan *Stream) {
-	defer wgStreams.Done()
-	logger.Printf(logger.INFO, "%s: start %s\n", s.Name, s.Cmd)
-
-	lines := cmdStdout(s.Cmd)
-	for {
-		select {
-		case line, ok := <-lines:
-			if !ok {
-				endedSignal <- s
-				return
-			}
-			for _, filter := range s.Filters {
-				if match := filter.match(line); match != "" {
-					matchesC <- PFT{match, filter, time.Now()}
-				}
-			}
-		case _, _ = <-stopStreams:
-			return
-		}
-	}
-
-}
-
-var actions ActionsMap
-var matches MatchesMap
-var matchesLock sync.Mutex
-
-var stopStreams chan bool
-var stopActions chan bool
-var wgActions sync.WaitGroup
-var wgStreams sync.WaitGroup
-
-/*
-<StreamCmds>
- ↓
-StreamManager          onstartup:matches
- ↓                     ↓               ↑
- matches→ MatchesManager →logs→ DatabaseManager ←·
-                 ↑     ↓                         ↑
-                 ↑     actions→ ActionsManager   ↑
-                 ↑              ↑                ↑
-SocketManager →flushes→→→→→→→→→→·→→→→→→→→→→→→→→→→·
- ↑
-<Clients>
-*/
-
-// DatabaseManager → MatchesManager
-var startupMatchesC chan PFT
-
-// StreamManager → MatchesManager
-var matchesC chan PFT
-
-// MatchesManager → DatabaseManager
-var logsC chan LogEntry
-
-// MatchesManager → ActionsManager
-var actionsC chan PAT
-
-// SocketManager, DatabaseManager → MatchesManager
-var flushToMatchesC chan PSF
-
-// SocketManager → ActionsManager
-var flushToActionsC chan PSF
-
-// SocketManager → DatabaseManager
-var flushToDatabaseC chan LogEntry
-
-func Daemon(confFilename string) {
-	conf := parseConf(confFilename)
-
-	startupMatchesC = make(chan PFT)
-	matchesC = make(chan PFT)
-	logsC = make(chan LogEntry)
-	actionsC = make(chan PAT)
-	flushToMatchesC = make(chan PSF)
-	flushToActionsC = make(chan PSF)
-	flushToDatabaseC = make(chan LogEntry)
-	stopActions = make(chan bool)
-	stopStreams = make(chan bool)
-	actions = make(ActionsMap)
-	matches = make(MatchesMap)
-
-	_ = runCommands(conf.Start, "start")
-
-	go DatabaseManager(conf)
-	go MatchesManager()
-	go ActionsManager(conf.Concurrency)
-
-	// Ready to start
-
-	sigs := make(chan os.Signal, 1)
-	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-
-	endSignals := make(chan *Stream)
-	nbStreamsInExecution := len(conf.Streams)
-
-	for _, stream := range conf.Streams {
-		wgStreams.Add(1)
-		go StreamManager(stream, endSignals)
-	}
-
-	go SocketManager(conf)
-
-	for {
-		select {
-		case finishedStream := <-endSignals:
-			logger.Printf(logger.ERROR, "%s stream finished", finishedStream.Name)
-			nbStreamsInExecution--
-			if nbStreamsInExecution == 0 {
-				quit(conf, false)
-			}
-		case <-sigs:
-			logger.Printf(logger.INFO, "Received SIGINT/SIGTERM, exiting")
-			quit(conf, true)
-		}
-	}
-}
-
-func quit(conf *Conf, graceful bool) {
-	// send stop to StreamManager·s
-	close(stopStreams)
-	logger.Println(logger.INFO, "Waiting for Streams to finish...")
-	wgStreams.Wait()
-	// ActionsManager calls wgActions.Done() when it has launched all pending actions
-	wgActions.Add(1)
-	// send stop to ActionsManager
-	close(stopActions)
-	// stop all actions
-	logger.Println(logger.INFO, "Waiting for Actions to finish...")
-	wgActions.Wait()
-	// run stop commands
-	stopOk := runCommands(conf.Stop, "stop")
-	// delete pipe
-	err := os.Remove(*SocketPath)
-	if err != nil {
-		logger.Println(logger.ERROR, "Failed to remove socket:", err)
-	}
-
-	if !stopOk || !graceful {
-		os.Exit(1)
-	}
-	os.Exit(0)
-}
diff --git a/app/example.yml b/app/example.yml
deleted file mode 100644
index 759f597..0000000
--- a/app/example.yml
+++ /dev/null
@@ -1,108 +0,0 @@
----
-# This example configuration file is a good starting point, but you're
-# strongly encouraged to take a look at the full documentation: https://reaction.ppom.me
-#
-# This file is using the well-established YAML configuration language.
-# Note that the more powerful JSONnet configuration language is also supported
-# and that the documentation uses JSONnet
-
-# definitions are just a place to put chunks of conf you want to reuse in another place
-# using YAML anchors `&name` and pointers `*name`
-# definitions are not readed by reaction
-definitions:
-  - &iptablesban [ 'ip46tables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP' ]
-  - &iptablesunban [ 'ip46tables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP' ]
-# ip46tables is a minimal C program (only POSIX dependencies) present as a subdirectory.
-# it permits to handle both ipv4/iptables and ipv6/ip6tables commands
-
-# if set to a positive number → max number of concurrent actions
-# if set to a negative number → no limit
-# if not specified or set to 0 → defaults to the number of CPUs on the system
-concurrency: 0
-
-# patterns are substitued in regexes.
-# when a filter performs an action, it replaces the found pattern
-patterns:
-  ip:
-    # reaction regex syntax is defined here: https://github.com/google/re2/wiki/Syntax
-    # simple version: regex: '(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})'
-    regex: '(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))'
-    ignore:
-      - 127.0.0.1
-      - ::1
-    # Patterns can be ignored based on regexes, it will try to match the whole string detected by the pattern
-    # ignoreregex:
-    #   - '10\.0\.[0-9]{1,3}\.[0-9]{1,3}'
-
-# Those commands will be executed in order at start, before everything else
-start:
-  - [ 'ip46tables', '-w', '-N', 'reaction' ]
-  - [ 'ip46tables', '-w', '-I', 'INPUT', '-p', 'all', '-j', 'reaction' ]
-  - [ 'ip46tables', '-w', '-I', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
-
-# Those commands will be executed in order at stop, after everything else
-stop:
-  - [ 'ip46tables', '-w,', '-D', 'INPUT', '-p', 'all', '-j', 'reaction' ]
-  - [ 'ip46tables', '-w,', '-D', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
-  - [ 'ip46tables', '-w', '-F', 'reaction' ]
-  - [ 'ip46tables', '-w', '-X', 'reaction' ]
-
-# streams are commands
-# they are run and their ouptut is captured
-# *example:* `tail -f /var/log/nginx/access.log`
-# their output will be used by one or more filters
-streams:
-  # streams have a user-defined name
-  ssh:
-    # note that if the command is not in environment's `PATH`
-    # its full path must be given.
-    cmd: [ 'journalctl', '-n0', '-fu', 'sshd.service' ]
-    # filters run actions when they match regexes on a stream
-    filters:
-      # filters have a user-defined name
-      failedlogin:
-        # reaction's regex syntax is defined here: https://github.com/google/re2/wiki/Syntax
-        regex:
-          # <ip> is predefined in the patterns section
-          # ip's regex is inserted in the following regex
-          - 'authentication failure;.*rhost=<ip>'
-          - 'Failed password for .* from <ip>'
-          - 'Connection (reset|closed) by (authenticating|invalid) user .* <ip>'
-        # if retry and retryperiod are defined,
-        # the actions will only take place if a same pattern is
-        # found `retry` times in a `retryperiod` interval
-        retry: 3
-        # format is defined here: https://pkg.go.dev/time#ParseDuration
-        retryperiod: 6h
-        # actions are run by the filter when regexes are matched
-        actions:
-          # actions have a user-defined name
-          ban:
-            # YAML substitutes *reference by the value anchored at &reference
-            cmd: *iptablesban
-          unban:
-            cmd:  *iptablesunban
-            # if after is defined, the action will not take place immediately, but after a specified duration
-            # same format as retryperiod
-            after: 48h
-            # let's say reaction is quitting. does it run all those pending commands which had an `after` duration set?
-            # if you want reaction to run those pending commands before exiting, you can set this:
-            # onexit: true
-            # (defaults to false)
-            # here it is not useful because we will flush and delete the chain containing the bans anyway
-            # (with the stop commands)
-
-# persistence
-# tldr; when an `after` action is set in a filter, such filter acts as a 'jail',
-# which is persisted after reboots.
-#
-# when a filter is triggered, there are 2 flows:
-#
-# if none of its actions have an `after` directive set:
-# no action will be replayed.
-#
-# else (if at least one action has an `after` directive set):
-# if reaction stops while `after` actions are pending:
-# and reaction starts again while those actions would still be pending:
-# reaction executes the past actions (actions without after or with then+after < now)
-# and plans the execution of future actions (actions with then+after > now)
diff --git a/app/main.go b/app/main.go
deleted file mode 100644
index 8d3d284..0000000
--- a/app/main.go
+++ /dev/null
@@ -1,230 +0,0 @@
-package app
-
-import (
-	_ "embed"
-	"flag"
-	"fmt"
-	"os"
-	"strings"
-
-	"framagit.org/ppom/reaction/logger"
-)
-
-func addStringFlag(names []string, defvalue string, f *flag.FlagSet) *string {
-	var value string
-	for _, name := range names {
-		f.StringVar(&value, name, defvalue, "")
-	}
-	return &value
-}
-
-func addBoolFlag(names []string, f *flag.FlagSet) *bool {
-	var value bool
-	for _, name := range names {
-		f.BoolVar(&value, name, false, "")
-	}
-	return &value
-}
-
-var SocketPath *string
-
-func addSocketFlag(f *flag.FlagSet) *string {
-	return addStringFlag([]string{"s", "socket"}, "/run/reaction/reaction.sock", f)
-}
-
-func addConfFlag(f *flag.FlagSet) *string {
-	return addStringFlag([]string{"c", "config"}, "", f)
-}
-
-func addFormatFlag(f *flag.FlagSet) *string {
-	return addStringFlag([]string{"f", "format"}, "yaml", f)
-}
-
-func addLimitFlag(f *flag.FlagSet) *string {
-	return addStringFlag([]string{"l", "limit"}, "", f)
-}
-
-func addLevelFlag(f *flag.FlagSet) *string {
-	return addStringFlag([]string{"l", "loglevel"}, "INFO", f)
-}
-
-func subCommandParse(f *flag.FlagSet, maxRemainingArgs int) {
-	help := addBoolFlag([]string{"h", "help"}, f)
-	f.Parse(os.Args[2:])
-	if *help {
-		basicUsage()
-		os.Exit(0)
-	}
-	// -1 = no limit to remaining args
-	if maxRemainingArgs > -1 && len(f.Args()) > maxRemainingArgs {
-		fmt.Printf("ERROR unrecognized argument(s): %v\n", f.Args()[maxRemainingArgs:])
-		basicUsage()
-		os.Exit(1)
-	}
-}
-
-func basicUsage() {
-	const (
-		bold  = "\033[1m"
-		reset = "\033[0m"
-	)
-	fmt.Print(
-		bold + `reaction help` + reset + `
-  # print this help message
-
-` + bold + `reaction start` + reset + `
-  # start the daemon
-
-  # options:
-    -c/--config CONFIG_FILE          # configuration file in json, jsonnet or yaml format (required)
-    -l/--loglevel LEVEL              # minimum log level to show, in DEBUG, INFO, WARN, ERROR, FATAL
-                                     # (default: INFO)
-    -s/--socket SOCKET               # path to the client-daemon communication socket
-                                     # (default: /run/reaction/reaction.sock)
-
-` + bold + `reaction example-conf` + reset + `
-  # print a configuration file example
-
-` + bold + `reaction show` + reset + ` [NAME=PATTERN...]
-  # show current matches and which actions are still to be run for the specified PATTERN regexe(s)
-  # (e.g know what is currenly banned)
-
-  reaction show
-  reaction show "ip=192.168.1.1"
-  reaction show "ip=192\.168\..*" login=root
-
-  # options:
-    -s/--socket SOCKET               # path to the client-daemon communication socket
-    -f/--format yaml|json            # (default: yaml)
-    -l/--limit STREAM[.FILTER]       # only show items related to this STREAM (or STREAM.FILTER)
-
-` + bold + `reaction flush` + reset + ` NAME=PATTERN [NAME=PATTERN...]
-  # remove currently active matches and run currently pending actions for the specified PATTERN regexe(s)
-  # (then show flushed matches and actions)
-
-  reaction flush "ip=192.168.1.1"
-  reaction flush "ip=192\.168\..*" login=root
-
-  # options:
-    -s/--socket SOCKET               # path to the client-daemon communication socket
-    -f/--format yaml|json            # (default: yaml)
-    -l/--limit STREAM.FILTER         # flush only items related to this STREAM.FILTER
-
-` + bold + `reaction test-regex` + reset + ` REGEX LINE       # test REGEX against LINE
-cat FILE | ` + bold + `reaction test-regex` + reset + ` REGEX # test REGEX against each line of FILE
-
-  # options:
-    -c/--config CONFIG_FILE          # configuration file in json, jsonnet or yaml format
-                                     # optional: permits to use configured patterns like <ip> in regex
-
-` + bold + `reaction version` + reset + `
-  # print version information
-
-see usage examples, service configurations and good practices
-on the ` + bold + `wiki` + reset + `: https://reaction.ppom.me
-`)
-}
-
-//go:embed example.yml
-var exampleConf string
-
-func Main(version, commit string) {
-	if len(os.Args) <= 1 {
-		logger.Fatalln("No argument provided. Try `reaction help`")
-		basicUsage()
-		os.Exit(1)
-	}
-	f := flag.NewFlagSet(os.Args[1], flag.ExitOnError)
-	switch os.Args[1] {
-	case "help", "-h", "-help", "--help":
-		basicUsage()
-
-	case "version", "-v", "--version":
-		fmt.Printf("reaction version %v commit %v\n", version, commit)
-
-	case "example-conf":
-		subCommandParse(f, 0)
-		fmt.Print(exampleConf)
-
-	case "start":
-		SocketPath = addSocketFlag(f)
-		confFilename := addConfFlag(f)
-		logLevel := addLevelFlag(f)
-		subCommandParse(f, 0)
-		if *confFilename == "" {
-			logger.Fatalln("no configuration file provided")
-			basicUsage()
-			os.Exit(1)
-		}
-		logLevelType := logger.FromString(*logLevel)
-		if logLevelType == logger.UNKNOWN {
-			logger.Fatalf("Log Level %v not recognized", logLevel)
-			basicUsage()
-			os.Exit(1)
-		}
-		logger.SetLogLevel(logLevelType)
-		Daemon(*confFilename)
-
-	case "show":
-		SocketPath = addSocketFlag(f)
-		queryFormat := addFormatFlag(f)
-		limit := addLimitFlag(f)
-		subCommandParse(f, -1)
-		if *queryFormat != "yaml" && *queryFormat != "json" {
-			logger.Fatalln("only yaml and json formats are supported")
-		}
-		stream, filter := "", ""
-		if *limit != "" {
-			splitSF := strings.Split(*limit, ".")
-			stream = splitSF[0]
-			if len(splitSF) == 2 {
-				filter = splitSF[1]
-			} else if len(splitSF) > 2 {
-				logger.Fatalln("-l/--limit: only one . separator is supported")
-			}
-		}
-		ClientShow(*queryFormat, stream, filter, f.Args())
-
-	case "flush":
-		SocketPath = addSocketFlag(f)
-		queryFormat := addFormatFlag(f)
-		limit := addLimitFlag(f)
-		subCommandParse(f, -1)
-		if *queryFormat != "yaml" && *queryFormat != "json" {
-			logger.Fatalln("only yaml and json formats are supported")
-		}
-		if len(f.Args()) == 0 {
-			logger.Fatalln("subcommand flush takes at least one TARGET argument")
-		}
-		stream, filter := "", ""
-		if *limit != "" {
-			splitSF := strings.Split(*limit, ".")
-			stream = splitSF[0]
-			if len(splitSF) == 2 {
-				filter = splitSF[1]
-			} else if len(splitSF) > 2 {
-				logger.Fatalln("-l/--limit: only one . separator is supported")
-			}
-		}
-		ClientFlush(*queryFormat, stream, filter, f.Args())
-
-	case "test-regex":
-		// socket not needed, no interaction with the daemon
-		confFilename := addConfFlag(f)
-		subCommandParse(f, 2)
-		if *confFilename == "" {
-			logger.Println(logger.WARN, "no configuration file provided. Can't make use of registered patterns.")
-		}
-		if f.Arg(0) == "" {
-			logger.Fatalln("subcommand test-regex takes at least one REGEX argument")
-			basicUsage()
-			os.Exit(1)
-		}
-		TestRegex(*confFilename, f.Arg(0), f.Arg(1))
-
-	default:
-		logger.Fatalf("subcommand %v not recognized. Try `reaction help`", os.Args[1])
-		basicUsage()
-		os.Exit(1)
-	}
-}
diff --git a/app/persist.go b/app/persist.go
deleted file mode 100644
index 78e78a1..0000000
--- a/app/persist.go
+++ /dev/null
@@ -1,264 +0,0 @@
-package app
-
-import (
-	"encoding/gob"
-	"errors"
-	"io"
-	"os"
-	"time"
-
-	"framagit.org/ppom/reaction/logger"
-)
-
-const (
-	logDBName    = "./reaction-matches.db"
-	logDBNewName = "./reaction-matches.new.db"
-	flushDBName  = "./reaction-flushes.db"
-)
-
-func openDB(path string) (bool, *ReadDB) {
-	file, err := os.Open(path)
-	if err != nil {
-		if errors.Is(err, os.ErrNotExist) {
-			logger.Printf(logger.WARN, "No DB found at %s. It's ok if this is the first time reaction is running.\n", path)
-			return true, nil
-		}
-		logger.Fatalln("Failed to open DB:", err)
-	}
-	return false, &ReadDB{file, gob.NewDecoder(file)}
-}
-
-func createDB(path string) *WriteDB {
-	file, err := os.Create(path)
-	if err != nil {
-		logger.Fatalln("Failed to create DB:", err)
-	}
-	return &WriteDB{file, gob.NewEncoder(file)}
-}
-
-func DatabaseManager(c *Conf) {
-	logDB, flushDB := c.RotateDB(true)
-	close(startupMatchesC)
-	c.manageLogs(logDB, flushDB)
-}
-
-func (c *Conf) manageLogs(logDB *WriteDB, flushDB *WriteDB) {
-	cpt := 0
-	writeSF2int := make(map[SF]int)
-	writeCpt := 1
-	for {
-		select {
-		case entry := <-flushToDatabaseC:
-			flushDB.enc.Encode(entry)
-		case entry := <-logsC:
-			encodeOrFatal(logDB.enc, entry, writeSF2int, &writeCpt)
-			cpt++
-			// let's say 100 000 entries ~ 10 MB
-			if cpt == 500_000 {
-				cpt = 0
-				logger.Printf(logger.INFO, "Rotating database...")
-				logDB.file.Close()
-				flushDB.file.Close()
-				logDB, flushDB = c.RotateDB(false)
-				logger.Printf(logger.INFO, "Rotated database")
-			}
-		}
-	}
-}
-
-func (c *Conf) RotateDB(startup bool) (*WriteDB, *WriteDB) {
-	var (
-		doesntExist  bool
-		err          error
-		logReadDB    *ReadDB
-		flushReadDB  *ReadDB
-		logWriteDB   *WriteDB
-		flushWriteDB *WriteDB
-	)
-	doesntExist, logReadDB = openDB(logDBName)
-	if doesntExist {
-		return createDB(logDBName), createDB(flushDBName)
-	}
-	doesntExist, flushReadDB = openDB(flushDBName)
-	if doesntExist {
-		logger.Println(logger.WARN, "Strange! No flushes db, opening /dev/null instead")
-		doesntExist, flushReadDB = openDB("/dev/null")
-		if doesntExist {
-			logger.Fatalln("Opening dummy /dev/null failed")
-		}
-	}
-
-	logWriteDB = createDB(logDBNewName)
-
-	rotateDB(c, logReadDB.dec, flushReadDB.dec, logWriteDB.enc, startup)
-
-	err = logReadDB.file.Close()
-	if err != nil {
-		logger.Fatalln("Failed to close old DB:", err)
-	}
-
-	// It should be ok to rename an open file
-	err = os.Rename(logDBNewName, logDBName)
-	if err != nil {
-		logger.Fatalln("Failed to replace old DB with new one:", err)
-	}
-
-	err = os.Remove(flushDBName)
-	if err != nil && !errors.Is(err, os.ErrNotExist) {
-		logger.Fatalln("Failed to delete old DB:", err)
-	}
-
-	flushWriteDB = createDB(flushDBName)
-	return logWriteDB, flushWriteDB
-}
-
-func rotateDB(c *Conf, logDec *gob.Decoder, flushDec *gob.Decoder, logEnc *gob.Encoder, startup bool) {
-	// This mapping is a space optimization feature
-	// It permits to compress stream+filter to a small number (which is a byte in gob)
-	// We do this only for matches, not for flushes
-	readSF2int := make(map[int]SF)
-	writeSF2int := make(map[SF]int)
-	writeCounter := 1
-	// This extra code is made to warn only one time for each non-existant filter
-	discardedEntries := make(map[SF]int)
-	malformedEntries := 0
-	defer func() {
-		for sf, t := range discardedEntries {
-			if t > 0 {
-				logger.Printf(logger.WARN, "info discarded %v times from the DBs: stream/filter not found: %s.%s\n", t, sf.S, sf.F)
-			}
-		}
-		if malformedEntries > 0 {
-			logger.Printf(logger.WARN, "%v malformed entries discarded from the DBs\n", malformedEntries)
-		}
-	}()
-
-	// pattern, stream, fitler → last flush
-	flushes := make(map[*PSF]time.Time)
-	for {
-		var entry LogEntry
-		var filter *Filter
-		// decode entry
-		err := flushDec.Decode(&entry)
-		if err != nil {
-			if err == io.EOF {
-				break
-			}
-			malformedEntries++
-			continue
-		}
-
-		// retrieve related filter
-		if entry.Stream != "" || entry.Filter != "" {
-			if stream := c.Streams[entry.Stream]; stream != nil {
-				filter = stream.Filters[entry.Filter]
-			}
-			if filter == nil {
-				discardedEntries[SF{entry.Stream, entry.Filter}]++
-				continue
-			}
-		}
-
-		// store
-		flushes[&PSF{entry.Pattern, entry.Stream, entry.Filter}] = entry.T
-	}
-
-	lastTimeCpt := int64(0)
-	now := time.Now()
-	for {
-		var entry LogEntry
-		var filter *Filter
-
-		// decode entry
-		err := logDec.Decode(&entry)
-		if err != nil {
-			if err == io.EOF {
-				break
-			}
-			malformedEntries++
-			continue
-		}
-
-		// retrieve related stream & filter
-		if entry.Stream == "" && entry.Filter == "" {
-			sf, ok := readSF2int[entry.SF]
-			if !ok {
-				discardedEntries[SF{"", ""}]++
-				continue
-			}
-			entry.Stream = sf.S
-			entry.Filter = sf.F
-		}
-		if stream := c.Streams[entry.Stream]; stream != nil {
-			filter = stream.Filters[entry.Filter]
-		}
-		if filter == nil {
-			discardedEntries[SF{entry.Stream, entry.Filter}]++
-			continue
-		}
-		if entry.SF != 0 {
-			readSF2int[entry.SF] = SF{entry.Stream, entry.Filter}
-		}
-
-		// check if number of patterns is in sync
-		if len(entry.Pattern.Split()) != len(filter.Pattern) {
-			continue
-		}
-
-		// check if it hasn't been flushed
-		lastGlobalFlush := flushes[&PSF{entry.Pattern, "", ""}].Unix()
-		lastLocalFlush := flushes[&PSF{entry.Pattern, entry.Stream, entry.Filter}].Unix()
-		entryTime := entry.T.Unix()
-		if lastLocalFlush > entryTime || lastGlobalFlush > entryTime {
-			continue
-		}
-
-		// restore time
-		if entry.T.IsZero() {
-			entry.T = time.Unix(entry.S, lastTimeCpt)
-		}
-		lastTimeCpt++
-
-		// store matches
-		if !entry.Exec && entry.T.Add(filter.retryDuration).Unix() > now.Unix() {
-			if startup {
-				startupMatchesC <- PFT{entry.Pattern, filter, entry.T}
-			}
-
-			encodeOrFatal(logEnc, entry, writeSF2int, &writeCounter)
-		}
-
-		// replay executions
-		if entry.Exec && entry.T.Add(*filter.longuestActionDuration).Unix() > now.Unix() {
-			if startup {
-				flushToMatchesC <- PSF{entry.Pattern, entry.Stream, entry.Filter}
-				filter.sendActions(entry.Pattern, entry.T)
-			}
-
-			encodeOrFatal(logEnc, entry, writeSF2int, &writeCounter)
-		}
-	}
-}
-
-func encodeOrFatal(enc *gob.Encoder, entry LogEntry, writeSF2int map[SF]int, writeCounter *int) {
-	// Stream/Filter reduction
-	sf, ok := writeSF2int[SF{entry.Stream, entry.Filter}]
-	if ok {
-		entry.SF = sf
-		entry.Stream = ""
-		entry.Filter = ""
-	} else {
-		entry.SF = *writeCounter
-		writeSF2int[SF{entry.Stream, entry.Filter}] = *writeCounter
-		*writeCounter++
-	}
-	// Time reduction
-	if !entry.T.IsZero() {
-		entry.S = entry.T.Unix()
-		entry.T = time.Time{}
-	}
-	err := enc.Encode(entry)
-	if err != nil {
-		logger.Fatalln("Failed to write to new DB:", err)
-	}
-}
diff --git a/app/pipe.go b/app/pipe.go
deleted file mode 100644
index 0d5b4ac..0000000
--- a/app/pipe.go
+++ /dev/null
@@ -1,81 +0,0 @@
-package app
-
-import (
-	"encoding/gob"
-	"errors"
-	"net"
-	"os"
-	"path"
-	"time"
-
-	"framagit.org/ppom/reaction/logger"
-)
-
-func createOpenSocket() net.Listener {
-	err := os.MkdirAll(path.Dir(*SocketPath), 0755)
-	if err != nil {
-		logger.Fatalln("Failed to create socket directory")
-	}
-	_, err = os.Stat(*SocketPath)
-	if err == nil {
-		logger.Println(logger.WARN, "socket", SocketPath, "already exists: Is the daemon already running? Deleting.")
-		err = os.Remove(*SocketPath)
-		if err != nil {
-			logger.Fatalln("Failed to remove socket:", err)
-		}
-	}
-	ln, err := net.Listen("unix", *SocketPath)
-	if err != nil {
-		logger.Fatalln("Failed to create socket:", err)
-	}
-	return ln
-}
-
-// Handle connections
-//func SocketManager(streams map[string]*Stream) {
-func SocketManager(conf *Conf) {
-	ln := createOpenSocket()
-	defer ln.Close()
-	for {
-		conn, err := ln.Accept()
-		if err != nil {
-			logger.Println(logger.ERROR, "Failed to open connection from cli:", err)
-			continue
-		}
-		go func(conn net.Conn) {
-			defer conn.Close()
-			var request Request
-			var response Response
-
-			err := gob.NewDecoder(conn).Decode(&request)
-			if err != nil {
-				logger.Println(logger.ERROR, "Invalid Message from cli:", err)
-				return
-			}
-
-			switch request.Request {
-			case Info:
-				// response.Config = *conf
-				response.Matches = matches
-				response.Actions = actions
-			case Flush:
-				le := LogEntry{time.Now(), 0, request.Flush.P, request.Flush.S, request.Flush.F, 0, false}
-
-				flushToMatchesC <- request.Flush
-				flushToActionsC <- request.Flush
-				flushToDatabaseC <- le
-
-			default:
-				logger.Println(logger.ERROR, "Invalid Message from cli: unrecognised command type")
-				response.Err = errors.New("unrecognised command type")
-				return
-			}
-
-			err = gob.NewEncoder(conn).Encode(response)
-			if err != nil {
-				logger.Println(logger.ERROR, "Can't respond to cli:", err)
-				return
-			}
-		}(conn)
-	}
-}
diff --git a/app/startup.go b/app/startup.go
deleted file mode 100644
index d8cf167..0000000
--- a/app/startup.go
+++ /dev/null
@@ -1,178 +0,0 @@
-package app
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-	"regexp"
-	"runtime"
-	"slices"
-	"strings"
-	"time"
-
-	"framagit.org/ppom/reaction/logger"
-
-	"github.com/google/go-jsonnet"
-)
-
-func (c *Conf) setup() {
-	if c.Concurrency == 0 {
-		c.Concurrency = runtime.NumCPU()
-	}
-
-	// Assure we iterate through c.Patterns map in reproductible order
-	sortedPatternNames := make([]string, 0, len(c.Patterns))
-	for k := range c.Patterns {
-		sortedPatternNames = append(sortedPatternNames, k)
-	}
-	slices.Sort(sortedPatternNames)
-
-	for _, patternName := range sortedPatternNames {
-		pattern := c.Patterns[patternName]
-		pattern.Name = patternName
-		pattern.nameWithBraces = fmt.Sprintf("<%s>", pattern.Name)
-
-		if pattern.Regex == "" {
-			logger.Fatalf("Bad configuration: pattern's regex %v is empty!", patternName)
-		}
-
-		compiled, err := regexp.Compile(fmt.Sprintf("^%v$", pattern.Regex))
-		if err != nil {
-			logger.Fatalf("Bad configuration: pattern %v: %v", patternName, err)
-		}
-		pattern.Regex = fmt.Sprintf("(?P<%s>%s)", patternName, pattern.Regex)
-		for _, ignore := range pattern.Ignore {
-			if !compiled.MatchString(ignore) {
-				logger.Fatalf("Bad configuration: pattern ignore '%v' doesn't match pattern %v! It should be fixed or removed.", ignore, pattern.nameWithBraces)
-			}
-		}
-
-		// Compile ignore regexes
-		for _, regex := range pattern.IgnoreRegex {
-			// Enclose the regex to make sure that it matches the whole detected string
-			compiledRegex, err := regexp.Compile("^" + regex + "$")
-			if err != nil {
-				logger.Fatalf("Bad configuration: in ignoreregex of pattern %s: %v", pattern.Name, err)
-			}
-
-			pattern.compiledIgnoreRegex = append(pattern.compiledIgnoreRegex, *compiledRegex)
-		}
-	}
-
-	if len(c.Streams) == 0 {
-		logger.Fatalln("Bad configuration: no streams configured!")
-	}
-	for streamName := range c.Streams {
-
-		stream := c.Streams[streamName]
-		stream.Name = streamName
-
-		if strings.Contains(stream.Name, ".") {
-			logger.Fatalf("Bad configuration: character '.' is not allowed in stream names: '%v'", stream.Name)
-		}
-
-		if len(stream.Filters) == 0 {
-			logger.Fatalf("Bad configuration: no filters configured in %v", stream.Name)
-		}
-		for filterName := range stream.Filters {
-
-			filter := stream.Filters[filterName]
-			filter.Stream = stream
-			filter.Name = filterName
-
-			if strings.Contains(filter.Name, ".") {
-				logger.Fatalf("Bad configuration: character '.' is not allowed in filter names: '%v'", filter.Name)
-			}
-			// Parse Duration
-			if filter.RetryPeriod == "" {
-				if filter.Retry > 1 {
-					logger.Fatalf("Bad configuration: retry but no retryperiod in %v.%v", stream.Name, filter.Name)
-				}
-			} else {
-				retryDuration, err := time.ParseDuration(filter.RetryPeriod)
-				if err != nil {
-					logger.Fatalf("Bad configuration: Failed to parse retry time in %v.%v: %v", stream.Name, filter.Name, err)
-				}
-				filter.retryDuration = retryDuration
-			}
-
-			if len(filter.Regex) == 0 {
-				logger.Fatalf("Bad configuration: no regexes configured in %v.%v", stream.Name, filter.Name)
-			}
-			// Compute Regexes
-			// Look for Patterns inside Regexes
-			for _, regex := range filter.Regex {
-				// iterate through patterns in reproductible order
-				for _, patternName := range sortedPatternNames {
-					pattern := c.Patterns[patternName]
-					if strings.Contains(regex, pattern.nameWithBraces) {
-						if !slices.Contains(filter.Pattern, pattern) {
-							filter.Pattern = append(filter.Pattern, pattern)
-						}
-						regex = strings.Replace(regex, pattern.nameWithBraces, pattern.Regex, 1)
-					}
-				}
-				compiledRegex, err := regexp.Compile(regex)
-				if err != nil {
-					logger.Fatalf("Bad configuration: regex of filter %s.%s: %v", stream.Name, filter.Name, err)
-				}
-				filter.compiledRegex = append(filter.compiledRegex, *compiledRegex)
-			}
-
-			if len(filter.Actions) == 0 {
-				logger.Fatalln("Bad configuration: no actions configured in", stream.Name, ".", filter.Name)
-			}
-			for actionName := range filter.Actions {
-
-				action := filter.Actions[actionName]
-				action.Filter = filter
-				action.Name = actionName
-
-				if strings.Contains(action.Name, ".") {
-					logger.Fatalln("Bad configuration: character '.' is not allowed in action names", action.Name)
-				}
-				// Parse Duration
-				if action.After != "" {
-					afterDuration, err := time.ParseDuration(action.After)
-					if err != nil {
-						logger.Fatalln("Bad configuration: Failed to parse after time in ", stream.Name, ".", filter.Name, ".", action.Name, ":", err)
-					}
-					action.afterDuration = afterDuration
-				} else if action.OnExit {
-					logger.Fatalln("Bad configuration: Cannot have `onexit: true` without an `after` directive in", stream.Name, ".", filter.Name, ".", action.Name)
-				}
-				if filter.longuestActionDuration == nil || filter.longuestActionDuration.Milliseconds() < action.afterDuration.Milliseconds() {
-					filter.longuestActionDuration = &action.afterDuration
-				}
-			}
-		}
-	}
-}
-
-func parseConf(filename string) *Conf {
-
-	data, err := os.Open(filename)
-	if err != nil {
-		logger.Fatalln("Failed to read configuration file:", err)
-	}
-
-	var conf Conf
-	if filename[len(filename)-4:] == ".yml" || filename[len(filename)-5:] == ".yaml" {
-		err = jsonnet.NewYAMLToJSONDecoder(data).Decode(&conf)
-		if err != nil {
-			logger.Fatalln("Failed to parse yaml configuration file:", err)
-		}
-	} else {
-		var jsondata string
-		jsondata, err = jsonnet.MakeVM().EvaluateFile(filename)
-		if err == nil {
-			err = json.Unmarshal([]byte(jsondata), &conf)
-		}
-		if err != nil {
-			logger.Fatalln("Failed to parse json configuration file:", err)
-		}
-	}
-
-	conf.setup()
-	return &conf
-}
diff --git a/app/types.go b/app/types.go
deleted file mode 100644
index b49b075..0000000
--- a/app/types.go
+++ /dev/null
@@ -1,200 +0,0 @@
-package app
-
-import (
-	"bytes"
-	"encoding/gob"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-	"time"
-)
-
-type Conf struct {
-	Concurrency int                 `json:"concurrency"`
-	Patterns    map[string]*Pattern `json:"patterns"`
-	Streams     map[string]*Stream  `json:"streams"`
-	Start       [][]string          `json:"start"`
-	Stop        [][]string          `json:"stop"`
-}
-
-type Pattern struct {
-	Regex  string   `json:"regex"`
-	Ignore []string `json:"ignore"`
-
-	IgnoreRegex         []string        `json:"ignoreregex"`
-	compiledIgnoreRegex []regexp.Regexp `json:"-"`
-
-	Name           string `json:"-"`
-	nameWithBraces string `json:"-"`
-}
-
-// Stream, Filter & Action structures must never be copied.
-// They're always referenced through pointers
-
-type Stream struct {
-	Name string `json:"-"`
-
-	Cmd     []string           `json:"cmd"`
-	Filters map[string]*Filter `json:"filters"`
-}
-type LilStream struct {
-	Name string
-}
-
-func (s *Stream) GobEncode() ([]byte, error) {
-	var buf bytes.Buffer
-	enc := gob.NewEncoder(&buf)
-	err := enc.Encode(LilStream{s.Name})
-	return buf.Bytes(), err
-}
-
-func (s *Stream) GobDecode(b []byte)(error) {
-	var ls LilStream
-	dec := gob.NewDecoder(bytes.NewReader(b))
-	err := dec.Decode(&ls)
-	s.Name = ls.Name
-	return err
-}
-
-type Filter struct {
-	Stream *Stream `json:"-"`
-	Name   string  `json:"-"`
-
-	Regex         []string        `json:"regex"`
-	compiledRegex []regexp.Regexp `json:"-"`
-	Pattern       []*Pattern      `json:"-"`
-
-	Retry         int           `json:"retry"`
-	RetryPeriod   string        `json:"retryperiod"`
-	retryDuration time.Duration `json:"-"`
-
-	Actions                map[string]*Action `json:"actions"`
-	longuestActionDuration *time.Duration
-}
-
-// those small versions are needed to prevent infinite recursion in gob because of
-// data cycles: Stream <-> Filter, Filter <-> Action
-type LilFilter struct {
-	Stream  *Stream
-	Name    string
-	Pattern []*Pattern
-}
-
-func (f *Filter) GobDecode(b []byte)(error) {
-	var lf LilFilter
-	dec := gob.NewDecoder(bytes.NewReader(b))
-	err := dec.Decode(&lf)
-	f.Stream = lf.Stream
-	f.Name = lf.Name
-	f.Pattern = lf.Pattern
-	return err
-}
-
-func (f *Filter) GobEncode() ([]byte, error) {
-	var buf bytes.Buffer
-	enc := gob.NewEncoder(&buf)
-	err := enc.Encode(LilFilter{f.Stream, f.Name, f.Pattern})
-	return buf.Bytes(), err
-}
-
-type Action struct {
-	Filter *Filter `json:"-"`
-	Name   string  `json:"-"`
-
-	Cmd []string `json:"cmd"`
-
-	After         string        `json:"after"`
-	afterDuration time.Duration `json:"-"`
-
-	OnExit bool `json:"onexit"`
-}
-type LilAction struct {
-	Filter *Filter
-	Name   string
-}
-
-func (a *Action) GobEncode() ([]byte, error) {
-	var buf bytes.Buffer
-	enc := gob.NewEncoder(&buf)
-	err := enc.Encode(LilAction{a.Filter, a.Name})
-	return buf.Bytes(), err
-}
-
-func (a *Action) GobDecode(b []byte)(error) {
-	var la LilAction
-	dec := gob.NewDecoder(bytes.NewReader(b))
-	err := dec.Decode(&la)
-	a.Filter = la.Filter
-	a.Name = la.Name
-	return err
-}
-
-type LogEntry struct {
-	T              time.Time
-	S              int64
-	Pattern        Match
-	Stream, Filter string
-	SF             int
-	Exec           bool
-}
-
-type ReadDB struct {
-	file *os.File
-	dec  *gob.Decoder
-}
-
-type WriteDB struct {
-	file *os.File
-	enc  *gob.Encoder
-}
-
-type MatchesMap map[PF]map[time.Time]struct{}
-type ActionsMap map[PA]map[time.Time]struct{}
-
-// This is a "\x00" Joined string
-// which contains all matches on a line.
-type Match string
-
-func (m *Match) Split() []string {
-	return strings.Split(string(*m), "\x00")
-}
-func JoinMatch(mm []string) Match {
-	return Match(strings.Join(mm, "\x00"))
-}
-func WithBrackets(mm []string) string {
-	var b strings.Builder
-	for _, match := range mm {
-		fmt.Fprintf(&b, "[%s]", match)
-	}
-	return b.String()
-}
-
-// Helper structs made to carry information
-// Stream, Filter
-type SF struct{ S, F string }
-
-// Pattern, Stream, Filter
-type PSF struct {
-	P    Match
-	S, F string
-}
-
-type PF struct {
-	P Match
-	F *Filter
-}
-type PFT struct {
-	P Match
-	F *Filter
-	T time.Time
-}
-type PA struct {
-	P Match
-	A *Action
-}
-type PAT struct {
-	P Match
-	A *Action
-	T time.Time
-}
diff --git a/bench/bench.sh b/bench/bench.sh
new file mode 100755
index 0000000..9f42ec2
--- /dev/null
+++ b/bench/bench.sh
@@ -0,0 +1,24 @@
+set -e
+
+if test "$(realpath "$PWD")" != "$(realpath "$(dirname "$0")/..")"
+then
+	echo "You must be in reaction root directory"
+	exit 1
+fi
+
+if test ! -f "$1"
+then
+	# shellcheck disable=SC2016
+	echo '$1 must be a configuration file (most probably in ./bench)'
+	exit 1
+fi
+
+rm -f reaction.db 
+cargo build --release --bins
+sudo systemd-run --wait \
+	-p User="$(id -nu)" \
+	-p MemoryAccounting=yes \
+	-p IOAccounting=yes \
+	-p WorkingDirectory="$(pwd)" \
+	-p Environment=PATH=/run/current-system/sw/bin/ \
+	sh -c "for i in 1 2; do ./target/release/reaction start -c '$1' -l ERROR -s ./reaction.sock; done"
diff --git a/bench/heavy-load.yml b/bench/heavy-load.yml
new file mode 100644
index 0000000..73c7a3e
--- /dev/null
+++ b/bench/heavy-load.yml
@@ -0,0 +1,74 @@
+---
+# This configuration permits to test reaction's performance
+# under a very high load
+#
+# It keeps regexes super simple, to avoid benchmarking the `regex` crate,
+# and benchmark reaction's internals instead.
+concurrency: 32
+
+patterns:
+  num:
+    regex: '[0-9]{3}'
+  ip:
+    regex: '(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})'
+    ignore:
+      - 1.0.0.1
+
+streams:
+  tailDown1:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 10001 | while read i; do echo found $i; done' ]
+    filters:
+      find1:
+        regex:
+          - '^found <num>'
+        retry: 9
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+  tailDown2:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 1000100 | while read i; do echo found $i; echo trouvé $i; done' ]
+    filters:
+      find2:
+        regex:
+          - '^found <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+  tailDown3:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 1000100 | while read i; do echo found $i; echo trouvé $i; done' ]
+    filters:
+      find3:
+        regex:
+          - '^found <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+      find4:
+        regex:
+          - '^trouvé <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
diff --git a/bench/nginx.yml b/bench/nginx.yml
new file mode 100644
index 0000000..a328d88
--- /dev/null
+++ b/bench/nginx.yml
@@ -0,0 +1,130 @@
+# This is an extract of a real life configuration
+#
+# It reads an nginx's access.log in the following format:
+# log_format '$remote_addr - $remote_user [$time_local] '
+#                  '$host '
+#                  '"$request" $status $bytes_sent '
+#                  '"$http_referer" "$http_user_agent"';
+#
+# I can't make my access.log public for obvious privacy reasons.
+#
+# On the opposite of heavy-load.yml, this test is closer to real-life regex complexity.
+#
+# It has been created to test the performance improvements of
+# the previous commit: ad6b0faa30c1af84360f66074a917b4bf6cda10a
+#
+# On this test, most lines don't match anything, so most time is spent matching regexes.
+
+concurrency: 0
+patterns:
+  ip:
+    ignore:
+    - 192.168.1.253
+    - 10.1.1.1
+    - 10.1.1.5
+    - 10.1.1.4
+    - 127.0.0.1
+    - ::1
+    regex: (?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))
+  untilEOL:
+    regex: .*$
+streams:
+  nginx:
+    cmd:
+    - cat
+    - /tmp/access.log
+    filters:
+      directusFailedLogin:
+        actions:
+          ban:
+            cmd:
+            - sleep
+            - 0.01
+          unban:
+            after: 4h
+            cmd:
+            - sleep
+            - 0.01
+        regex:
+        - ^<ip> .* "POST /repertoire/auth/login HTTP/..." 401 [0-9]+ .https://babos.land
+        - ^<ip> .* "POST /pompeani.art/auth/login HTTP/..." 401 [0-9]+ .https://edit.ppom.me
+        - ^<ip> .* "POST /leborddeleau/auth/login HTTP/..." 401 [0-9]+ .https://edit.ppom.me
+        - ^<ip> .* "POST /5eroue/auth/login HTTP/..." 401 [0-9]+ .https://edit.ppom.me
+        - ^<ip> .* "POST /edit/auth/login HTTP/..." 401 [0-9]+ .https://edit.ppom.me
+        - ^<ip> .* "POST /auth/login HTTP/..." 401 [0-9]+ .https://edit.ppom.fr
+        retry: 6
+        retryperiod: 4h
+      gptbot:
+        actions:
+          ban:
+            cmd:
+            - sleep
+            - 0.01
+          unban:
+            after: 4h
+            cmd:
+            - sleep
+            - 0.01
+        regex:
+        - ^<ip>.*"[^"]*AI2Bot[^"]*"$
+        - ^<ip>.*"[^"]*Amazonbot[^"]*"$
+        - ^<ip>.*"[^"]*Applebot[^"]*"$
+        - ^<ip>.*"[^"]*Applebot-Extended[^"]*"$
+        - ^<ip>.*"[^"]*Bytespider[^"]*"$
+        - ^<ip>.*"[^"]*CCBot[^"]*"$
+        - ^<ip>.*"[^"]*ChatGPT-User[^"]*"$
+        - ^<ip>.*"[^"]*ClaudeBot[^"]*"$
+        - ^<ip>.*"[^"]*Diffbot[^"]*"$
+        - ^<ip>.*"[^"]*DuckAssistBot[^"]*"$
+        - ^<ip>.*"[^"]*FacebookBot[^"]*"$
+        - ^<ip>.*"[^"]*GPTBot[^"]*"$
+        - ^<ip>.*"[^"]*Google-Extended[^"]*"$
+        - ^<ip>.*"[^"]*Kangaroo Bot[^"]*"$
+        - ^<ip>.*"[^"]*Meta-ExternalAgent[^"]*"$
+        - ^<ip>.*"[^"]*Meta-ExternalFetcher[^"]*"$
+        - ^<ip>.*"[^"]*OAI-SearchBot[^"]*"$
+        - ^<ip>.*"[^"]*PerplexityBot[^"]*"$
+        - ^<ip>.*"[^"]*Timpibot[^"]*"$
+        - ^<ip>.*"[^"]*Webzio-Extended[^"]*"$
+        - ^<ip>.*"[^"]*YouBot[^"]*"$
+        - ^<ip>.*"[^"]*omgili[^"]*"$
+      slskd-failedLogin:
+        actions:
+          ban:
+            cmd:
+            - sleep
+            - 0.01
+          unban:
+            after: 4h
+            cmd:
+            - sleep
+            - 0.01
+        regex:
+        - ^<ip> .* "POST /slskd/api/v0/session HTTP/..." 401 [0-9]+ .https://ppom.me
+        - ^<ip> .* "POST /kiosque/api/v0/session HTTP/..." 401 [0-9]+ .https://babos.land
+        retry: 3
+        retryperiod: 1h
+      suspectRequests:
+        actions:
+          ban:
+            cmd:
+            - sleep
+            - 0.01
+          unban:
+            after: 4h
+            cmd:
+            - sleep
+            - 0.01
+        regex:
+        - ^<ip> .*"GET /(?:[^/" ]*/)*wp-login\.php
+        - ^<ip> .*"GET /(?:[^/" ]*/)*wp-includes
+        - '^<ip> .*"GET /(?:[^/" ]*/)*\.env '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*config\.json '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*info\.php '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*owa/auth/logon.aspx '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*auth.html '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*auth1.html '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*password.txt '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*passwords.txt '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*dns-query '
+        - '^<ip> .*"GET /(?:[^/" ]*/)*\.git/ '
diff --git a/bench/small-heavy-load-virtual.yml b/bench/small-heavy-load-virtual.yml
new file mode 100644
index 0000000..0f074b9
--- /dev/null
+++ b/bench/small-heavy-load-virtual.yml
@@ -0,0 +1,86 @@
+---
+# This configuration permits to test reaction's performance
+# under a very high load
+#
+# It keeps regexes super simple, to avoid benchmarking the `regex` crate,
+# and benchmark reaction's internals instead.
+concurrency: 32
+
+plugins:
+  - path: "/home/ppom/prg/reaction/target/release/reaction-plugin-virtual"
+
+patterns:
+  num:
+    regex: '[0-9]{3}'
+  ip:
+    regex: '(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})'
+    ignore:
+      - 1.0.0.1
+
+streams:
+  virtual:
+    type: virtual
+    filters:
+      find0:
+        regex:
+          - '^<num>$'
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+  tailDown1:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 1001 | while read i; do echo found $i; done' ]
+    filters:
+      find1:
+        regex:
+          - '^found <num>'
+        retry: 9
+        retryperiod: 6m
+        actions:
+          virtual:
+            type: virtual
+            options:
+              send: '<num>'
+              to: virtual
+  tailDown2:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 100100 | while read i; do echo found $i; echo trouvé $i; done' ]
+    filters:
+      find2:
+        regex:
+          - '^found <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          virtual:
+            type: virtual
+            options:
+              send: '<num>'
+              to: virtual
+  tailDown3:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 100100 | while read i; do echo found $i; echo trouvé $i; done' ]
+    filters:
+      find3:
+        regex:
+          - '^found <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          virtual:
+            type: virtual
+            options:
+              send: '<num>'
+              to: virtual
+      find4:
+        regex:
+          - '^trouvé <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          virtual:
+            type: virtual
+            options:
+              send: '<num>'
+              to: virtual
diff --git a/bench/small-heavy-load.yml b/bench/small-heavy-load.yml
new file mode 100644
index 0000000..931a456
--- /dev/null
+++ b/bench/small-heavy-load.yml
@@ -0,0 +1,74 @@
+---
+# This configuration permits to test reaction's performance
+# under a very high load
+#
+# It keeps regexes super simple, to avoid benchmarking the `regex` crate,
+# and benchmark reaction's internals instead.
+concurrency: 32
+
+patterns:
+  num:
+    regex: '[0-9]{3}'
+  ip:
+    regex: '(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})'
+    ignore:
+      - 1.0.0.1
+
+streams:
+  tailDown1:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 1001 | while read i; do echo found $i; done' ]
+    filters:
+      find1:
+        regex:
+          - '^found <num>'
+        retry: 9
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+  tailDown2:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 100100 | while read i; do echo found $i; echo trouvé $i; done' ]
+    filters:
+      find2:
+        regex:
+          - '^found <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+  tailDown3:
+    cmd: [ 'sh', '-c', 'sleep 2; seq 100100 | while read i; do echo found $i; echo trouvé $i; done' ]
+    filters:
+      find3:
+        regex:
+          - '^found <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
+      find4:
+        regex:
+          - '^trouvé <num>'
+        retry: 480
+        retryperiod: 6m
+        actions:
+          damn:
+            cmd: [ 'sleep', '0.0<num>' ]
+          undamn:
+            cmd: [ 'sleep', '0.0<num>' ]
+            after: 1m
+            onexit: false
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..ff070e0
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,39 @@
+use std::{
+    env::var_os,
+    io::{self, ErrorKind},
+};
+
+use clap_complete::shells;
+
+// SubCommand defined here
+include!("src/cli.rs");
+
+fn main() -> io::Result<()> {
+    if var_os("PROFILE").ok_or(ErrorKind::NotFound)? == "release" {
+        let out_dir = PathBuf::from(var_os("OUT_DIR").ok_or(ErrorKind::NotFound)?).join("../../..");
+
+        // Build CLI
+        let cli = clap::Command::new("reaction");
+        let cli = SubCommand::augment_subcommands(cli);
+        // We have to manually add metadata because it is lost: only subcommands are appended
+        let cli = cli.about("Scan logs and take action").long_about(
+"A daemon that scans program outputs for repeated patterns, and takes action.
+
+Aims at being more versatile and flexible than fail2ban, while being faster and having simpler configuration.
+
+See usage examples, service configurations and good practices on the wiki: https://reaction.ppom.me");
+
+        // Generate completions
+        clap_complete::generate_to(shells::Bash, &mut cli.clone(), "reaction", out_dir.clone())?;
+        clap_complete::generate_to(shells::Fish, &mut cli.clone(), "reaction", out_dir.clone())?;
+        clap_complete::generate_to(shells::Zsh, &mut cli.clone(), "reaction", out_dir.clone())?;
+
+        // Generate manpages
+        clap_mangen::generate_to(cli, out_dir.clone())?;
+    }
+
+    println!("cargo::rerun-if-changed=build.rs");
+    println!("cargo::rerun-if-changed=src/cli.rs");
+
+    Ok(())
+}
diff --git a/config/README.md b/config/README.md
new file mode 100644
index 0000000..cbf7d67
--- /dev/null
+++ b/config/README.md
@@ -0,0 +1,8 @@
+# Configuration
+
+Here reside two equal configurations, one in YAML and one in JSONnet.
+
+Those serve as a configuration reference for now, waiting for a more complete reference in the wiki.
+
+Please take a look at the [wiki](https://reaction.ppom.me) for security implications of using reaction,
+FAQ, JSONnet tips, and multiple examples of filters and actions.
diff --git a/config/activitywatch.jsonnet b/config/activitywatch.jsonnet
deleted file mode 100644
index 33e4083..0000000
--- a/config/activitywatch.jsonnet
+++ /dev/null
@@ -1,101 +0,0 @@
-// Those strings will be substitued in each shell() call
-local substitutions = [
-  ['OUTFILE', '"$HOME/.local/share/watch/logs-$(date +%F)"'],
-  ['DATE', '"$(date "+%F %T")"'],
-];
-
-// Substitue each substitutions' item in string
-local sub(str) = std.foldl(
-  (function(changedstr, kv) std.strReplace(changedstr, kv[0], kv[1])),
-  substitutions,
-  str
-);
-local shell(prg) = [
-  'sh',
-  '-c',
-  sub(prg),
-];
-
-local log(line) = shell('echo DATE ' + std.strReplace(line, '\n', ' ') + '>> OUTFILE');
-
-{
-  start: [
-    shell('mkdir -p "$(dirname OUTFILE)"'),
-    log('start'),
-  ],
-
-  stop: [
-    log('stop'),
-  ],
-
-  patterns: {
-    all: { regex: '.*' },
-  },
-
-  streams: {
-    // Be notified about each window focus change
-    // FIXME DOESN'T WORK
-    sway: {
-      cmd: shell(|||
-        swaymsg -rm -t subscribe "['window']" | jq -r 'select(.change == "focus") | .container | if has("app_id") and .app_id != null then .app_id else .window_properties.class end'
-      |||),
-      filters: {
-        send: {
-          regex: ['^<all>$'],
-          actions: {
-            send: { cmd: log('focus <all>') },
-          },
-        },
-      },
-    },
-
-    // Be notified when user is away
-    swayidle: {
-      // FIXME echo stop and start instead?
-      cmd: ['swayidle', 'timeout', '30', 'echo sleep', 'resume', 'echo resume'],
-      filters: {
-        send: {
-          regex: ['^<all>$'],
-          actions: {
-            send: { cmd: log('<all>') },
-          },
-        },
-      },
-    },
-
-    // Be notified about tmux activity
-    // Limitation: can't handle multiple concurrently attached sessions
-    // tmux: {
-    //   cmd: shell(|||
-    //     LAST_TIME="0"
-    //     LAST_ACTIVITY=""
-    //     while true;
-    //     do
-    //       NEW_TIME=$(tmux display -p '#{session_activity}')
-    //       if [ -n "$NEW_TIME" ] && [ "$NEW_TIME" -gt "$LAST_TIME" ]
-    //       then
-    //         LAST_TIME="$NEW_TIME"
-    //         NEW_ACTIVITY="$(tmux display -p '#{pane_current_command} #{pane_current_path}')"
-    //         if [ -n "$NEW_ACTIVITY" ] && [ "$NEW_ACTIVITY" != "$LAST_ACTIVITY" ]
-    //         then
-    //           LAST_ACTIVITY="$NEW_ACTIVITY"
-    //           echo "tmux $NEW_ACTIVITY"
-    //         fi
-    //       fi
-    //       sleep 10
-    //     done
-    //   |||),
-    //   filters: {
-    //     send: {
-    //       regex: ['^tmux <all>$'],
-    //       actions: {
-    //         send: { cmd: log('tmux <all>') },
-    //       },
-    //     },
-    //   },
-    // },
-
-    // Be notified about firefox activity
-    // TODO
-  },
-}
diff --git a/config/example.jsonnet b/config/example.jsonnet
index 6d84230..c9e9abb 100644
--- a/config/example.jsonnet
+++ b/config/example.jsonnet
@@ -7,61 +7,106 @@
 // strongly encouraged to take a look at the full documentation: https://reaction.ppom.me
 
 // JSONnet functions
-local iptables(args) = ['ip46tables', '-w'] + args;
-// ip46tables is a minimal C program (only POSIX dependencies) present in a
-// subdirectory of this repo.
-// it permits to handle both ipv4/iptables and ipv6/ip6tables commands
+local ipBan(cmd) = [cmd, '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP'];
+local ipUnban(cmd) = [cmd, '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP'];
 
-// See meaning and usage of this function around L106
+// See meaning and usage of this function around L180
 local banFor(time) = {
-  ban: {
-    cmd: iptables(['-A', 'reaction', '-s', '<ip>', '-j', 'DROP']),
+  ban4: {
+    cmd: ipBan('iptables'),
+    ipv4only: true,
   },
-  unban: {
+  ban6: {
+    cmd: ipBan('ip6tables'),
+    ipv6only: true,
+  },
+  unban4: {
+    cmd: ipUnban('iptables'),
     after: time,
-    cmd: iptables(['-D', 'reaction', '-s', '<ip>', '-j', 'DROP']),
+    ipv4only: true,
+  },
+  unban6: {
+    cmd: ipUnban('ip6tables'),
+    after: time,
+    ipv6only: true,
   },
 };
 
+// See usage of this function around L90
+// Generates a command for iptables and ip46tables
+local ip46tables(arguments) = [
+  ['iptables', '-w'] + arguments,
+  ['ip6tables', '-w'] + arguments,
+];
+
 {
   // patterns are substitued in regexes.
   // when a filter performs an action, it replaces the found pattern
   patterns: {
-    ip: {
-      // reaction regex syntax is defined here: https://github.com/google/re2/wiki/Syntax
-      // jsonnet's @'string' is for verbatim strings
-      // simple version: regex: @'(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})',
-      regex: @'(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))',
-      ignore: ['127.0.0.1', '::1'],
-      // Patterns can be ignored based on regexes, it will try to match the whole string detected by the pattern
-      // ignoreregex: [@'10\.0\.[0-9]{1,3}\.[0-9]{1,3}'],
+
+    name: {
+      // reaction regex syntax is defined here: https://docs.rs/regex/latest/regex/#syntax
+      // common patterns have a 'regex' field
+      regex: '[a-z]+',
+      // patterns can ignore specific strings
+      ignore: ['cecilia'],
+      // patterns can also be ignored based on regexes, it will try to match the whole string detected by the pattern
+      ignoreregex: [
+        // ignore names starting with 'jo'
+        'jo.*',
+      ],
     },
+
+    ip: {
+      // patterns can have a special 'ip' type that matches both ipv4 and ipv6
+      // or 'ipv4' or 'ipv6' to match only that ip version
+      type: 'ip',
+      ignore: ['127.0.0.1', '::1'],
+      // they can also ignore whole CIDR ranges of ip
+      ignorecidr: ['10.0.0.0/8'],
+      // last but not least, patterns of type ip, ipv4, ipv6 can also group their matched ips by mask
+      // ipv4mask: 30
+      // this means that ipv6 matches will be converted to their network part.
+      ipv6mask: 64,
+      // for example,"2001:db8:85a3:9de5::8a2e:370:7334" will be converted to "2001:db8:85a3:9de5::/64".
+    },
+
+    // ipv4: {
+    //   type: 'ipv4',
+    //   ignore: ...
+    //   ipv4mask: ...
+    // },
+
   },
 
+  // where the state (database) must be read
+  // defaults to . which means reaction's working directory.
+  // The systemd service starts reaction in /var/lib/reaction.
+  state_directory: '.',
+
   // if set to a positive number → max number of concurrent actions
   // if set to a negative number → no limit
   // if not specified or set to 0 → defaults to the number of CPUs on the system
   concurrency: 0,
 
   // Those commands will be executed in order at start, before everything else
-  start: [
+  start:
     // Create an iptables chain for reaction
-    iptables(['-N', 'reaction']),
+    ip46tables(['-N', 'reaction']) +
     // Insert this chain as the first item of the INPUT & FORWARD chains (for incoming connections)
-    iptables(['-I', 'INPUT', '-p', 'all', '-j', 'reaction']),
-    iptables(['-I', 'FORWARD', '-p', 'all', '-j', 'reaction']),
-  ],
+    ip46tables(['-I', 'INPUT', '-p', 'all', '-j', 'reaction']) +
+    ip46tables(['-I', 'FORWARD', '-p', 'all', '-j', 'reaction']),
 
   // Those commands will be executed in order at stop, after everything else
-  stop: [
+  stop:
     // Remove the chain from the INPUT & FORWARD chains
-    iptables(['-D', 'INPUT', '-p', 'all', '-j', 'reaction']),
-    iptables(['-D', 'FORWARD', '-p', 'all', '-j', 'reaction']),
+    ip46tables(['-D', 'INPUT', '-p', 'all', '-j', 'reaction']) +
+    ip46tables(['-D', 'FORWARD', '-p', 'all', '-j', 'reaction']) +
     // Empty the chain
-    iptables(['-F', 'reaction']),
+    ip46tables(['-F', 'reaction']) +
     // Delete the chain
-    iptables(['-X', 'reaction']),
-  ],
+    ip46tables(['-X', 'reaction']),
+
 
   // streams are commands
   // they are run and their ouptut is captured
@@ -73,41 +118,85 @@ local banFor(time) = {
       // note that if the command is not in environment's `PATH`
       // its full path must be given.
       cmd: ['journalctl', '-n0', '-fu', 'sshd.service'],
+
       // filters run actions when they match regexes on a stream
       filters: {
         // filters have a user-defined name
         failedlogin: {
-          // reaction's regex syntax is defined here: https://github.com/google/re2/wiki/Syntax
+          // reaction's regex syntax is defined here: https://docs.rs/regex/latest/regex/#syntax
           regex: [
             // <ip> is predefined in the patterns section
             // ip's regex is inserted in the following regex
             @'authentication failure;.*rhost=<ip>',
             @'Failed password for .* from <ip>',
+            @'Invalid user .* from <ip>',
             @'Connection (reset|closed) by (authenticating|invalid) user .* <ip>',
+            @'banner exchange: Connection from <ip> port [0-9]*: invalid format',
           ],
+
           // if retry and retryperiod are defined,
           // the actions will only take place if a same pattern is
           // found `retry` times in a `retryperiod` interval
           retry: 3,
-          // format is defined here: https://pkg.go.dev/time#ParseDuration
+          // format is defined as follows: <integer> <unit>
+          // - whitespace between the integer and unit is optional
+          // - integer must be positive (>= 0)
+          // - unit can be one of:
+          //   - ms / millis / millisecond / milliseconds
+          //   - s / sec / secs / second / seconds
+          //   - m / min / mins / minute / minutes
+          //   - h / hour / hours
+          //   - d / day / days
           retryperiod: '6h',
+
+          // duplicate specify how to handle matches after an action has already been taken.
+          // 3 options are possible:
+          // - extend (default): update the pending actions' time, so they run later
+          // - ignore: don't do anything, ignore the match
+          // - rerun: run the actions again. so we may have the same pending actions multiple times.
+          //   (this was the default before 2.2.0)
+          // duplicate: extend
+
           // actions are run by the filter when regexes are matched
           actions: {
             // actions have a user-defined name
-            ban: {
-              cmd: iptables(['-A', 'reaction', '-s', '<ip>', '-j', 'DROP']),
+            ban4: {
+              cmd: ['iptables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP'],
+              // this optional field permits to run an action only when a pattern of type ip contains an ipv4
+              ipv4only: true,
             },
-            unban: {
-              cmd: iptables(['-D', 'reaction', '-s', '<ip>', '-j', 'DROP']),
+
+            ban6: {
+              cmd: ['ip6tables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP'],
+              // this optional field permits to run an action only when a pattern of type ip contains an ipv6
+              ipv6only: true,
+            },
+
+            unban4: {
+              cmd: ['iptables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP'],
               // if after is defined, the action will not take place immediately, but after a specified duration
               // same format as retryperiod
-              after: '48h',
+              after: '2 days',
               // let's say reaction is quitting. does it run all those pending commands which had an `after` duration set?
               // if you want reaction to run those pending commands before exiting, you can set this:
               // onexit: true,
               // (defaults to false)
               // here it is not useful because we will flush and delete the chain containing the bans anyway
               // (with the stop commands)
+              ipv4only: true,
+            },
+
+            unban6: {
+              cmd: ['ip6tables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP'],
+              after: '2 days',
+              ipv6only: true,
+            },
+
+            mail: {
+              cmd: ['sendmail', '...', '<ip>'],
+              // some commands, such as alerting commands, are "oneshot".
+              // this means they'll be run only once, and won't be executed again when reaction is restarted
+              oneshot: true,
             },
           },
           // or use the banFor function defined at the beginning!
diff --git a/config/example.yml b/config/example.yml
deleted file mode 120000
index 1efef98..0000000
--- a/config/example.yml
+++ /dev/null
@@ -1 +0,0 @@
-../app/example.yml
\ No newline at end of file
diff --git a/config/example.yml b/config/example.yml
new file mode 100644
index 0000000..40f2764
--- /dev/null
+++ b/config/example.yml
@@ -0,0 +1,184 @@
+---
+# This example configuration file is a good starting point, but you're
+# strongly encouraged to take a look at the full documentation: https://reaction.ppom.me
+#
+# This file is using the well-established YAML configuration language.
+# Note that the more powerful JSONnet configuration language is also supported
+# and that the documentation uses JSONnet
+
+# definitions are just a place to put chunks of conf you want to reuse in another place
+# using YAML anchors `&name` and pointers `*name`
+# definitions are not readed by reaction
+definitions:
+  - &ip4tablesban [ 'iptables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP' ]
+  - &ip6tablesban [ 'ip6tables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP' ]
+  - &ip4tablesunban [ 'iptables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP' ]
+  - &ip6tablesunban [ 'ip6tables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP' ]
+# ip46tables is a minimal C program (only POSIX dependencies) present as a subdirectory.
+# it permits to handle both ipv4/iptables and ipv6/ip6tables commands
+
+# where the state (database) must be read
+# defaults to . which means reaction's working directory.
+# The systemd service starts reaction in /var/lib/reaction.
+state_directory: .
+
+# if set to a positive number → max number of concurrent actions
+# if set to a negative number → no limit
+# if not specified or set to 0 → defaults to the number of CPUs on the system
+concurrency: 0
+
+# patterns are substitued in regexes.
+# when a filter performs an action, it replaces the found pattern
+patterns:
+  name:
+    # reaction regex syntax is defined here: https://docs.rs/regex/latest/regex/#syntax
+    # common patterns have a 'regex' field
+    regex: '[a-z]+'
+    # patterns can ignore specific strings
+    ignore:
+      - 'cecilia'
+    # patterns can also be ignored based on regexes, it will try to match the whole string detected by the pattern
+    ignoreregex:
+      # ignore names starting with 'jo'
+      - 'jo.*'
+
+  ip:
+    # patterns can have a special 'ip' type that matches both ipv4 and ipv6
+    # or 'ipv4' or 'ipv6' to match only that ip version
+    type: ip
+    ignore:
+      - 127.0.0.1
+      - ::1
+    # they can also ignore whole CIDR ranges of ip
+    ignorecidr:
+      - 10.0.0.0/8
+    # last but not least, patterns of type ip, ipv4, ipv6 can also group their matched ips by mask
+    # ipv4mask: 30
+    # this means that ipv6 matches will be converted to their network part.
+    ipv6mask: 64
+    # for example,"2001:db8:85a3:9de5::8a2e:370:7334" will be converted to "2001:db8:85a3:9de5::/64".
+
+  # ipv4:
+  #   type: ipv4
+  #   ignore: ...
+
+# Those commands will be executed in order at start, before everything else
+start:
+  - [ 'iptables',  '-w', '-N', 'reaction' ]
+  - [ 'ip6tables', '-w', '-N', 'reaction' ]
+  - [ 'iptables',  '-w', '-I', 'INPUT', '-p', 'all', '-j', 'reaction' ]
+  - [ 'ip6tables', '-w', '-I', 'INPUT', '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables',  '-w', '-I', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
+  - [ 'ip6tables', '-w', '-I', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
+
+# Those commands will be executed in order at stop, after everything else
+stop:
+  - [ 'iptables',  '-w', '-D', 'INPUT', '-p', 'all', '-j', 'reaction' ]
+  - [ 'ip6tables', '-w', '-D', 'INPUT', '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables',  '-w', '-D', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
+  - [ 'ip6tables', '-w', '-D', 'FORWARD', '-p', 'all', '-j', 'reaction' ]
+  - [ 'iptables',  '-w', '-F', 'reaction' ]
+  - [ 'ip6tables', '-w', '-F', 'reaction' ]
+  - [ 'iptables',  '-w', '-X', 'reaction' ]
+  - [ 'ip6tables', '-w', '-X', 'reaction' ]
+
+# streams are commands
+# they are run and their ouptut is captured
+# *example:* `tail -f /var/log/nginx/access.log`
+# their output will be used by one or more filters
+streams:
+  # streams have a user-defined name
+  ssh:
+    # note that if the command is not in environment's `PATH`
+    # its full path must be given.
+    cmd: [ 'journalctl', '-n0', '-fu', 'sshd.service' ]
+
+    # filters run actions when they match regexes on a stream
+    filters:
+      # filters have a user-defined name
+      failedlogin:
+        # reaction's regex syntax is defined here: https://docs.rs/regex/latest/regex/#syntax
+        regex:
+          # <ip> is predefined in the patterns section
+          # ip's regex is inserted in the following regex
+          - 'authentication failure;.*rhost=<ip>'
+          - 'Failed password for .* from <ip>'
+          - 'Invalid user .* from <ip>'
+          - 'Connection (reset|closed) by (authenticating|invalid) user .* <ip>'
+          - 'banner exchange: Connection from <ip> port [0-9]*: invalid format'
+
+        # if retry and retryperiod are defined,
+        # the actions will only take place if a same pattern is
+        # found `retry` times in a `retryperiod` interval
+        retry: 3
+        # format is defined as follows: <integer> <unit>
+        # - whitespace between the integer and unit is optional
+        # - integer must be positive (>= 0)
+        # - unit can be one of:
+        #   - ms / millis / millisecond / milliseconds
+        #   - s / sec / secs / second / seconds
+        #   - m / min / mins / minute / minutes
+        #   - h / hour / hours
+        #   - d / day / days
+        retryperiod: 6h
+
+        # duplicate specify how to handle matches after an action has already been taken.
+        # 3 options are possible:
+        # - extend (default): update the pending actions' time, so they run later
+        # - ignore: don't do anything, ignore the match
+        # - rerun: run the actions again. so we may have the same pending actions multiple times.
+        #   (this was the default before 2.2.0)
+        # duplicate: extend
+
+        # actions are run by the filter when regexes are matched
+        actions:
+          # actions have a user-defined name
+          ban4:
+            # YAML substitutes *reference by the value anchored at &reference
+            cmd: *ip4tablesban
+            # this optional field permits to run an action only when a pattern of type ip contains an ipv4
+            ipv4only: true
+
+          ban6:
+            cmd: *ip6tablesban
+            # this optional field permits to run an action only when a pattern of type ip contains an ipv6
+            ipv6only: true
+
+          unban4:
+            cmd:  *ip4tablesunban
+            # if after is defined, the action will not take place immediately, but after a specified duration
+            # same format as retryperiod
+            after: '2 days'
+            # let's say reaction is quitting. does it run all those pending commands which had an `after` duration set?
+            # if you want reaction to run those pending commands before exiting, you can set this:
+            # onexit: true
+            # (defaults to false)
+            # here it is not useful because we will flush and delete the chain containing the bans anyway
+            # (with the stop commands)
+            ipv4only: true
+
+          unban6:
+            cmd:  *ip6tablesunban
+            after: '2 days'
+            ipv6only: true
+
+          mail:
+            cmd: ['sendmail', '...', '<ip>']
+            # some commands, such as alerting commands, are "oneshot".
+            # this means they'll be run only once, and won't be executed again when reaction is restarted
+            oneshot: true
+
+# persistence
+# tldr; when an `after` action is set in a filter, such filter acts as a 'jail',
+# which is persisted after reboots.
+#
+# when a filter is triggered, there are 2 flows:
+#
+# if none of its actions have an `after` directive set:
+# no action will be replayed.
+#
+# else (if at least one action has an `after` directive set):
+# if reaction stops while `after` actions are pending:
+# and reaction starts again while those actions would still be pending:
+# reaction executes the past actions (actions without after or with then+after < now)
+# and plans the execution of future actions (actions with then+after > now)
diff --git a/config/heavy-load.yml b/config/heavy-load.yml
deleted file mode 100644
index 1c149c3..0000000
--- a/config/heavy-load.yml
+++ /dev/null
@@ -1,72 +0,0 @@
----
-patterns:
-  num:
-    regex: '[0-9]+'
-  ip:
-    regex: '(?:(?:[0-9]{1,3}\.){3}[0-9]{1,3})|(?:[0-9a-fA-F:]{2,90})'
-    ignore:
-      - 1.0.0.1
-
-concurrency: 0
-
-streams:
-  tailDown1:
-    cmd: [ 'sh', '-c', 'sleep 2; seq 100010 | while read i; do echo found $(($i % 100)); done' ]
-    filters:
-      findIP:
-        regex:
-          - '^found <num>$'
-        retry: 50
-        retryperiod: 1m
-        actions:
-          damn:
-            cmd: [ 'sleep', '0.<num>' ]
-          undamn:
-            cmd: [ 'sleep', '0.<num>' ]
-            after: 1m
-            onexit: false
-  tailDown2:
-    cmd: [ 'sh', '-c', 'sleep 2; seq 100010 | while read i; do echo prout $(($i % 100)); done' ]
-    filters:
-      findIP:
-        regex:
-          - '^prout <num>$'
-        retry: 50
-        retryperiod: 1m
-        actions:
-          damn:
-            cmd: [ 'sleep', '0.<num>' ]
-          undamn:
-            cmd: [ 'sleep', '0.<num>' ]
-            after: 1m
-            onexit: false
-  tailDown3:
-    cmd: [ 'sh', '-c', 'sleep 2; seq 100010 | while read i; do echo nanana $(($i % 100)); done' ]
-    filters:
-      findIP:
-        regex:
-          - '^nanana <num>$'
-        retry: 50
-        retryperiod: 2m
-        actions:
-          damn:
-            cmd: [ 'sleep', '0.<num>' ]
-          undamn:
-            cmd: [ 'sleep', '0.<num>' ]
-            after: 1m
-            onexit: false
-  tailDown4:
-    cmd: [ 'sh', '-c', 'sleep 2; seq 100010 | while read i; do echo nanana $(($i % 100)); done' ]
-    filters:
-      findIP:
-        regex:
-          - '^nomatch <num>$'
-        retry: 50
-        retryperiod: 2m
-        actions:
-          damn:
-            cmd: [ 'sleep', '0.<num>' ]
-          undamn:
-            cmd: [ 'sleep', '0.<num>' ]
-            after: 1m
-            onexit: false
diff --git a/config/persistence.jsonnet b/config/persistence.jsonnet
deleted file mode 100644
index f3f58c1..0000000
--- a/config/persistence.jsonnet
+++ /dev/null
@@ -1,50 +0,0 @@
-{
-  patterns: {
-    num: {
-      regex: '[0-9]+',
-    },
-  },
-
-  streams: {
-    tailDown1: {
-      cmd: ['sh', '-c', "echo 01 02 03 04 05 | tr ' ' '\n' | while read i; do sleep 0.5; echo found $i; done"],
-      filters: {
-        findIP1: {
-          regex: ['^found <num>$'],
-          retry: 1,
-          retryperiod: '2m',
-          actions: {
-            damn: {
-              cmd: ['echo', '<num>'],
-            },
-            undamn: {
-              cmd: ['echo', 'undamn', '<num>'],
-              after: '1m',
-              onexit: true,
-            },
-          },
-        },
-      },
-    },
-    tailDown2: {
-      cmd: ['sh', '-c', "echo 11 12 13 14 15 11 13 15 | tr ' ' '\n' | while read i; do sleep 0.3; echo found $i; done"],
-      filters: {
-        findIP2: {
-          regex: ['^found <num>$'],
-          retry: 2,
-          retryperiod: '2m',
-          actions: {
-            damn: {
-              cmd: ['echo', '<num>'],
-            },
-            undamn: {
-              cmd: ['echo', 'undamn', '<num>'],
-              after: '1m',
-              onexit: true,
-            },
-          },
-        },
-      },
-    },
-  },
-}
diff --git a/config/reaction.example.service b/config/reaction.service
similarity index 85%
rename from config/reaction.example.service
rename to config/reaction.service
index 22eed48..897e869 100644
--- a/config/reaction.example.service
+++ b/config/reaction.service
@@ -2,15 +2,12 @@
 [Unit]
 Description=A daemon that scans program outputs for repeated patterns, and takes action.
 Documentation=https://reaction.ppom.me
-
-[Install]
-WantedBy=multi-user.target
 # Ensure reaction will insert its chain after docker has inserted theirs. Only useful when iptables & docker are used
 # After=docker.service
 
 # See `man systemd.exec` and `man systemd.service` for most options below
 [Service]
-ExecStart=/usr/bin/reaction start -c /etc/reaction.jsonnet
+ExecStart=/usr/local/bin/reaction start -c /etc/reaction/
 
 # Ask systemd to create /var/lib/reaction (/var/lib/ is implicit)
 StateDirectory=reaction
@@ -18,3 +15,8 @@ StateDirectory=reaction
 RuntimeDirectory=reaction
 # Start reaction in its state directory
 WorkingDirectory=/var/lib/reaction
+# Let reaction kill its child processes first
+KillMode=mixed
+
+[Install]
+WantedBy=multi-user.target
diff --git a/config/server.jsonnet b/config/server.jsonnet
deleted file mode 100644
index 2886c28..0000000
--- a/config/server.jsonnet
+++ /dev/null
@@ -1,160 +0,0 @@
-// This is the extensive configuration used on a **real** server!
-
-local banFor(time) = {
-  ban: {
-    cmd: ['ip46tables', '-w', '-A', 'reaction', '-s', '<ip>', '-j', 'DROP'],
-  },
-  unban: {
-    after: time,
-    cmd: ['ip46tables', '-w', '-D', 'reaction', '-s', '<ip>', '-j', 'DROP'],
-  },
-};
-
-{
-  patterns: {
-    // IPs can be IPv4 or IPv6
-    // ip46tables (C program also in this repo) handles running the good commands
-    ip: {
-      regex: @'(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}|(?:(?:[0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,7}:|(?:[0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|(?:[0-9a-fA-F]{1,4}:){1,5}(?::[0-9a-fA-F]{1,4}){1,2}|(?:[0-9a-fA-F]{1,4}:){1,4}(?::[0-9a-fA-F]{1,4}){1,3}|(?:[0-9a-fA-F]{1,4}:){1,3}(?::[0-9a-fA-F]{1,4}){1,4}|(?:[0-9a-fA-F]{1,4}:){1,2}(?::[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:(?:(?::[0-9a-fA-F]{1,4}){1,6})|:(?:(?::[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(?::[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(?:ffff(?::0{1,4}){0,1}:){0,1}(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])|(?:[0-9a-fA-F]{1,4}:){1,4}:(?:(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(?:25[0-5]|(?:2[0-4]|1{0,1}[0-9]){0,1}[0-9]))',
-      // Ignore all from 192.168.1.1 to 192.168.1.255
-      ignore: std.makeArray(255, function(i) '192.168.1.' + (i + 1)),
-    },
-  },
-
-  start: [
-    ['ip46tables', '-w', '-N', 'reaction'],
-    ['ip46tables', '-w', '-I', 'INPUT', '-p', 'all', '-j', 'reaction'],
-  ],
-  stop: [
-    ['ip46tables', '-w', '-D', 'INPUT', '-p', 'all', '-j', 'reaction'],
-    ['ip46tables', '-w', '-F', 'reaction'],
-    ['ip46tables', '-w', '-X', 'reaction'],
-  ],
-
-  streams: {
-    // Ban hosts failing to connect via ssh
-    ssh: {
-      cmd: ['journalctl', '-fn0', '-u', 'sshd.service'],
-      filters: {
-        failedlogin: {
-          regex: [
-            @'authentication failure;.*rhost=<ip>',
-            @'Connection (reset|closed) by (authenticating|invalid) user .* <ip>',
-            @'Failed password for .* from <ip>',
-          ],
-          retry: 3,
-          retryperiod: '6h',
-          actions: banFor('48h'),
-        },
-      },
-    },
-
-    // Ban hosts which knock on closed ports.
-    // It needs this iptables chain to be used to drop packets:
-    // ip46tables -N log-refuse
-    // ip46tables -A log-refuse -p tcp --syn -j LOG --log-level info --log-prefix 'refused connection: '
-    // ip46tables -A log-refuse -m pkttype ! --pkt-type unicast -j nixos-fw-refuse
-    // ip46tables -A log-refuse -j DROP
-    kernel: {
-      cmd: ['journalctl', '-fn0', '-k'],
-      filters: {
-        portscan: {
-          regex: ['refused connection: .*SRC=<ip>'],
-          retry: 4,
-          retryperiod: '1h',
-          actions: banFor('720h'),
-        },
-      },
-    },
-    // Note: nextcloud and vaultwarden could also be filters on the nginx stream
-    // I did use their own logs instead because it's less logs to parse than the front webserver
-
-    // Ban hosts failing to connect to Nextcloud
-    nextcloud: {
-      cmd: ['journalctl', '-fn0', '-u', 'phpfpm-nextcloud.service'],
-      filters: {
-        failedLogin: {
-          regex: [
-            @'"remoteAddr":"<ip>".*"message":"Login failed:',
-            @'"remoteAddr":"<ip>".*"message":"Trusted domain error.',
-          ],
-          retry: 3,
-          retryperiod: '1h',
-          actions: banFor('1h'),
-        },
-      },
-    },
-
-    // Ban hosts failing to connect to vaultwarden
-    vaultwarden: {
-      cmd: ['journalctl', '-fn0', '-u', 'vaultwarden.service'],
-      filters: {
-        failedlogin: {
-          actions: banFor('2h'),
-          regex: [@'Username or password is incorrect\. Try again\. IP: <ip>\. Username:'],
-          retry: 3,
-          retryperiod: '1h',
-        },
-      },
-    },
-
-    // Used with this nginx log configuration:
-    // log_format withhost '$remote_addr - $remote_user [$time_local] $host "$request" $status $bytes_sent "$http_referer" "$http_user_agent"';
-    // access_log /var/log/nginx/access.log withhost;
-    nginx: {
-      cmd: ['tail', '-n0', '-f', '/var/log/nginx/access.log'],
-      filters: {
-        // Ban hosts failing to connect to Directus
-        directus: {
-          regex: [
-            @'^<ip> .* "POST /auth/login HTTP/..." 401 [0-9]+ .https://directusdomain',
-          ],
-          retry: 6,
-          retryperiod: '4h',
-          actions: banFor('4h'),
-        },
-
-        // Ban hosts presenting themselves as bots of ChatGPT
-        gptbot: {
-          regex: [@'^<ip>.*GPTBot/1.0'],
-          actions: banFor('720h'),
-        },
-
-        // Ban hosts failing to connect to slskd
-        slskd: {
-          regex: [
-            @'^<ip> .* "POST /api/v0/session HTTP/..." 401 [0-9]+ .https://slskddomain',
-          ],
-          retry: 3,
-          retryperiod: '1h',
-          actions: banFor('6h'),
-        },
-
-        // Ban suspect HTTP requests
-        // Those are frequent malicious requests I got from bots
-        // Make sure you don't have honnest use cases for those requests, or your clients may be banned for 2 weeks!
-        suspectRequests: {
-          regex: [
-            // (?:[^/" ]*/)* is a "non-capturing group" regex that allow for subpath(s)
-            // example: /code/.env should be matched as well as /.env
-            //           ^^^^^
-            @'^<ip>.*"GET /(?:[^/" ]*/)*\.env ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*info\.php ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*owa/auth/logon.aspx ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*auth.html ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*auth1.html ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*password.txt ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*passwords.txt ',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*dns-query ',
-            // Do not include this if you have a Wordpress website ;)
-            @'^<ip>.*"GET /(?:[^/" ]*/)*wp-login\.php',
-            @'^<ip>.*"GET /(?:[^/" ]*/)*wp-includes',
-            // Do not include this if a client must retrieve a config.json file ;)
-            @'^<ip>.*"GET /(?:[^/" ]*/)*config\.json ',
-          ],
-          actions: banFor('720h'),
-        },
-      },
-    },
-  },
-}
diff --git a/config/test.jsonnet b/config/test.jsonnet
deleted file mode 100644
index 9210a80..0000000
--- a/config/test.jsonnet
+++ /dev/null
@@ -1,63 +0,0 @@
-{
-  patterns: {
-    num: {
-      regex: '[0-9]+',
-      ignore: ['1'],
-      // ignoreregex: ['2.?'],
-    },
-    letter: {
-      regex: '[a-z]+',
-      ignore: ['b'],
-      // ignoreregex: ['b.?'],
-    },
-  },
-
-  streams: {
-    tailDown1: {
-      cmd: ['sh', '-c', "echo 1_abc 2_abc 3_abc abc_1 abc_2 abc_3 | tr ' ' '\n' | while read i; do sleep 1; echo found $i; done; sleep 30"],
-      filters: {
-        findIP: {
-          regex: [
-            '^found <num>_<letter>$',
-            '^found <letter>_<num>$',
-          ],
-          retry: 2,
-          retryperiod: '30s',
-          actions: {
-            damn: {
-              cmd: ['echo', '<num>'],
-            },
-            undamn: {
-              cmd: ['echo', 'undamn', '<num>'],
-              after: '28s',
-              onexit: true,
-            },
-          },
-        },
-      },
-    },
-    tailDown2: {
-      cmd: ['sh', '-c', "echo 1_abc 2_abc 3_abc abc_1 abc_2 abc_3 | tr ' ' '\n' | while read i; do sleep 1; echo found $i; done; sleep 30"],
-      filters: {
-        findIP: {
-          regex: [
-            '^found <num>_<letter>$',
-            '^found <letter>_<num>$',
-          ],
-          retry: 2,
-          retryperiod: '30s',
-          actions: {
-            damn: {
-              cmd: ['echo', '<num>'],
-            },
-            undamn: {
-              cmd: ['echo', 'undamn', '<num>'],
-              after: '28s',
-              onexit: true,
-            },
-          },
-        },
-      },
-    },
-  },
-}
diff --git a/crates/treedb/Cargo.toml b/crates/treedb/Cargo.toml
new file mode 100644
index 0000000..9f2c4d3
--- /dev/null
+++ b/crates/treedb/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "treedb"
+version = "1.0.0"
+edition = "2024"
+
+[features]
+test = []
+
+[dependencies]
+chrono.workspace = true
+futures.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+thiserror.workspace = true
+tokio.workspace = true
+tokio.features = ["rt-multi-thread", "macros", "io-util", "time", "fs", "tracing"]
+tokio-util.workspace = true
+tokio-util.features = ["rt"]
+tracing.workspace = true
+
+[dev-dependencies]
+tempfile.workspace = true
+
diff --git a/crates/treedb/src/helpers.rs b/crates/treedb/src/helpers.rs
new file mode 100644
index 0000000..9e4c3b0
--- /dev/null
+++ b/crates/treedb/src/helpers.rs
@@ -0,0 +1,188 @@
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    time::Duration,
+};
+
+use chrono::DateTime;
+use serde_json::Value;
+
+use crate::time::Time;
+
+/// Tries to convert a [`Value`] into a [`String`]
+pub fn to_string(val: &Value) -> Result<String, String> {
+    Ok(val.as_str().ok_or("not a string")?.to_owned())
+}
+
+/// Tries to convert a [`Value`] into a [`u64`]
+pub fn to_u64(val: &Value) -> Result<u64, String> {
+    val.as_u64().ok_or("not a u64".into())
+}
+
+/// Old way of converting time: with chrono's serialization
+fn old_string_to_time(val: &str) -> Result<Time, String> {
+    let time = DateTime::parse_from_rfc3339(val).map_err(|err| err.to_string())?;
+    Ok(Duration::new(time.timestamp() as u64, time.timestamp_subsec_nanos()).into())
+}
+
+/// New way of converting time: with our own implem
+fn new_string_to_time(val: &str) -> Result<Time, String> {
+    let nanos: u128 = val.parse().map_err(|_| "not a number")?;
+    Ok(Duration::new(
+        (nanos / 1_000_000_000) as u64,
+        (nanos % 1_000_000_000) as u32,
+    )
+    .into())
+}
+
+/// Tries to convert a [`&str`] into a [`Time`]
+fn string_to_time(val: &str) -> Result<Time, String> {
+    match new_string_to_time(val) {
+        Err(err) => match old_string_to_time(val) {
+            Err(_) => Err(err),
+            ok => ok,
+        },
+        ok => ok,
+    }
+}
+
+/// Tries to convert a [`Value`] into a [`Time`]
+pub fn to_time(val: &Value) -> Result<Time, String> {
+    string_to_time(val.as_str().ok_or("not a string number")?)
+}
+
+/// Tries to convert a [`Value`] into a [`Vec<String>`]
+pub fn to_match(val: &Value) -> Result<Vec<String>, String> {
+    val.as_array()
+        .ok_or("not an array")?
+        .iter()
+        .map(to_string)
+        .collect()
+}
+
+/// Tries to convert a [`Value`] into a [`BTreeSet<Time>`]
+pub fn to_timeset(val: &Value) -> Result<BTreeSet<Time>, String> {
+    val.as_array()
+        .ok_or("not an array")?
+        .iter()
+        .map(to_time)
+        .collect()
+}
+
+/// Tries to convert a [`Value`] into a [`BTreeMap<Time, u64>`]
+pub fn to_timemap(val: &Value) -> Result<BTreeMap<Time, u64>, String> {
+    val.as_object()
+        .ok_or("not a map")?
+        .iter()
+        .map(|(key, value)| Ok((string_to_time(key)?, to_u64(value)?)))
+        .collect()
+}
+
+#[cfg(test)]
+mod tests {
+    use std::collections::BTreeMap;
+
+    use super::*;
+
+    #[test]
+    fn test_to_string() {
+        assert_eq!(to_string(&("".into())), Ok("".into()));
+        assert_eq!(to_string(&("ploup".into())), Ok("ploup".into()));
+
+        assert!(to_string(&(["ploup"].into())).is_err());
+        assert!(to_string(&(true.into())).is_err());
+        assert!(to_string(&(8.into())).is_err());
+        assert!(to_string(&(None::<String>.into())).is_err());
+    }
+
+    #[test]
+    fn test_to_u64() {
+        assert_eq!(to_u64(&(0.into())), Ok(0));
+        assert_eq!(to_u64(&(8.into())), Ok(8));
+        assert_eq!(to_u64(&(u64::MAX.into())), Ok(u64::MAX));
+
+        assert!(to_u64(&("ploup".into())).is_err());
+        assert!(to_u64(&(["ploup"].into())).is_err());
+        assert!(to_u64(&(true.into())).is_err());
+        assert!(to_u64(&(None::<String>.into())).is_err());
+    }
+
+    #[test]
+    fn test_to_time() {
+        assert_eq!(to_time(&"123456".into()).unwrap(), Time::from_nanos(123456),);
+        assert!(to_time(&(u64::MAX.into())).is_err());
+
+        assert!(to_time(&(["ploup"].into())).is_err());
+        assert!(to_time(&(true.into())).is_err());
+        // assert!(to_time(&(12345.into())).is_err());
+        assert!(to_time(&(None::<String>.into())).is_err());
+    }
+
+    #[test]
+    fn test_to_match() {
+        assert_eq!(to_match(&([""].into())), Ok(vec!["".into()]));
+        assert_eq!(
+            to_match(&(["plip", "ploup"].into())),
+            Ok(vec!["plip".into(), "ploup".into()])
+        );
+        assert!(to_match(&[Value::from("plip"), Value::from(10)].into()).is_err());
+
+        assert!(to_match(&("ploup".into())).is_err());
+        assert!(to_match(&(true.into())).is_err());
+        assert!(to_match(&(8.into())).is_err());
+        assert!(to_match(&(None::<String>.into())).is_err());
+    }
+
+    #[test]
+    fn test_to_timeset() {
+        assert_eq!(
+            to_timeset(&Value::from([Value::from("123456789")])),
+            Ok(BTreeSet::from([Time::from_nanos(123456789)]))
+        );
+        assert_eq!(
+            to_timeset(&Value::from([Value::from("8"), Value::from("123456")])),
+            Ok(BTreeSet::from([
+                Time::from_nanos(8),
+                Time::from_nanos(123456),
+            ]))
+        );
+        assert!(to_timeset(&[Value::from("plip"), Value::from(10)].into()).is_err());
+
+        assert!(to_timeset(&([""].into())).is_err());
+        assert!(to_timeset(&(["ploup"].into())).is_err());
+        assert!(to_timeset(&(true.into())).is_err());
+        assert!(to_timeset(&(8.into())).is_err());
+        assert!(to_timeset(&(None::<String>.into())).is_err());
+    }
+
+    #[test]
+    fn test_to_timemap() {
+        let time1 = 1234567;
+        let time1_t = Time::from_nanos(time1);
+        let time2 = 123456789;
+        let time2_t = Time::from_nanos(time2);
+
+        assert_eq!(
+            to_timemap(&Value::from_iter([(time2.to_string(), 1)])),
+            Ok(BTreeMap::from([(time2_t, 1)]))
+        );
+        assert_eq!(
+            to_timemap(&Value::from_iter([
+                (time1.to_string(), 4),
+                (time2.to_string(), 0)
+            ])),
+            Ok(BTreeMap::from([(time1_t.into(), 4), (time2_t.into(), 0)]))
+        );
+
+        assert!(to_timemap(&Value::from_iter([("1-1", time2)])).is_err());
+        // assert!(to_timemap(&Value::from_iter([(time2.to_string(), time2)])).is_err());
+        assert!(to_timemap(&Value::from_iter([(time2)])).is_err());
+        assert!(to_timemap(&Value::from_iter([(1)])).is_err());
+
+        assert!(to_timemap(&(["1970-01-01T01:20:34.567+01:00"].into())).is_err());
+        assert!(to_timemap(&([""].into())).is_err());
+        assert!(to_timemap(&(["ploup"].into())).is_err());
+        assert!(to_timemap(&(true.into())).is_err());
+        assert!(to_timemap(&(8.into())).is_err());
+        assert!(to_timemap(&(None::<String>.into())).is_err());
+    }
+}
diff --git a/crates/treedb/src/lib.rs b/crates/treedb/src/lib.rs
new file mode 100644
index 0000000..e7e8a27
--- /dev/null
+++ b/crates/treedb/src/lib.rs
@@ -0,0 +1,746 @@
+/// This module implements an asynchronously persisted BTreeMap named [`Tree`],
+/// via an unique "Write Behind Log" (in opposition to WAL, "Write Ahead Log").
+///
+/// This permits to have RAM-speed read & write operations, while eventually
+/// persisting operations. The log is flushed to kernel every 2 seconds.
+///
+/// Operations stored in the log have a timeout configured at the Tree level.
+/// All operations are then stored for this lifetime.
+///
+/// Data is stored as JSONL. Each line stores a (key, value), plus the tree id,
+/// and an expiry timestamp in milliseconds.
+use std::{
+    collections::{BTreeMap, HashMap},
+    io::{Error as IoError, ErrorKind},
+    ops::Deref,
+    path::{Path, PathBuf},
+    time::Duration,
+};
+
+use serde::{Deserialize, Serialize, de::DeserializeOwned};
+use serde_json::Value;
+use tokio::{
+    fs::{File, rename},
+    sync::{mpsc, oneshot},
+    time::{MissedTickBehavior, interval},
+};
+use tokio_util::{sync::CancellationToken, task::task_tracker::TaskTrackerToken};
+
+// Database
+
+use raw::{ReadDB, WriteDB};
+use time::{Time, now};
+
+pub mod helpers;
+mod raw;
+pub mod time;
+
+/// Any order the Database can receive
+enum Order {
+    Log(Entry),
+    OpenTree(OpenTree),
+}
+
+/// Entry sent from [`Tree`] to [`Database`]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
+struct Entry {
+    pub tree: String,
+    pub key: Value,
+    pub value: Option<Value>,
+    pub expiry: Time,
+}
+
+/// Order to receive a tree from previous Database
+pub struct OpenTree {
+    name: String,
+    resp: oneshot::Sender<Option<LoadedTree>>,
+}
+
+type LoadedTree = HashMap<Value, Value>;
+pub type LoadedDB = HashMap<String, LoadedTree>;
+
+const DB_NAME: &str = "reaction.db";
+const DB_NEW_NAME: &str = "reaction.new.db";
+
+fn path_of(state_directory: &Path, name: &str) -> PathBuf {
+    if state_directory.as_os_str().is_empty() {
+        name.into()
+    } else {
+        PathBuf::from(state_directory).join(name)
+    }
+}
+
+pub type DatabaseErrorReceiver = oneshot::Receiver<Result<(), String>>;
+
+/// Public-facing API for a treedb Database
+pub struct Database {
+    entry_tx: Option<mpsc::Sender<Order>>,
+    error_rx: DatabaseErrorReceiver,
+}
+
+impl Database {
+    /// Open a new Database, whom task will start in the background.
+    /// You'll have to:
+    /// - drop all [`Tree`]s,
+    /// - call [`Self::quit`],
+    ///
+    /// to have the Database properly quit.
+    ///
+    /// You can wait for [`Self::quit`] returned channel to know how it went.
+    pub async fn open(
+        path_directory: &Path,
+        cancellation_token: CancellationToken,
+        task_tracker_token: TaskTrackerToken,
+    ) -> Result<Database, IoError> {
+        let (manager, entry_tx) = DatabaseManager::open(path_directory).await?;
+        let error_rx = manager.manager(cancellation_token, task_tracker_token);
+        Ok(Self {
+            entry_tx: Some(entry_tx),
+            error_rx,
+        })
+    }
+
+    /// Permit to close DB's channel.
+    /// Without this function manually called, the DB can't close.
+    pub fn quit(self) -> DatabaseErrorReceiver {
+        self.error_rx
+    }
+}
+
+// TODO rotate_db at a regular interval instead of every N bytes?
+// This would make more sense, as actual garbage collection is time-based
+
+/// A [`Database`] logs all write operations on [`Tree`]s in a single file.
+/// Logs are written asynchronously, so the write operations in RAM will block only when the
+/// underlying channel is full.
+struct DatabaseManager {
+    /// Inner database
+    write_db: WriteDB,
+    /// [`Tree`]s loaded from disk
+    loaded_db: LoadedDB,
+    /// Path for the "normal" database
+    path: PathBuf,
+    /// Path for the "new" database, when rotating database.
+    /// New database atomically replaces the old one when its writing is done.
+    new_path: PathBuf,
+    /// The receiver on [`Tree`] write operations
+    entry_rx: mpsc::Receiver<Order>,
+    /// The interval at which the database must be flushed to kernel
+    flush_every: Duration,
+    /// The maximum bytes that must be written until the database is rotated
+    max_bytes: usize,
+    /// Counter to account of the current number of bytes written
+    bytes_written: usize,
+}
+
+impl DatabaseManager {
+    pub async fn open(
+        path_directory: &Path,
+    ) -> Result<(DatabaseManager, mpsc::Sender<Order>), IoError> {
+        let path = path_of(path_directory, DB_NAME);
+        let new_path = path_of(path_directory, DB_NEW_NAME);
+
+        let (write_db, loaded_db) = rotate_db(&path, &new_path, true).await?;
+
+        let (entry_tx, entry_rx) = mpsc::channel(1000);
+
+        Ok((
+            DatabaseManager {
+                write_db,
+                loaded_db,
+                path,
+                new_path,
+                entry_rx,
+                flush_every: Duration::from_secs(2),
+                max_bytes: 20 * 1024 * 1024, // 20 MiB
+                bytes_written: 0,
+            },
+            entry_tx,
+        ))
+    }
+
+    pub fn manager(
+        mut self,
+        cancellation_token: CancellationToken,
+        _task_tracker_token: TaskTrackerToken,
+    ) -> oneshot::Receiver<Result<(), String>> {
+        let (error_tx, error_rx) = oneshot::channel();
+        tokio::spawn(async move {
+            let mut interval = interval(self.flush_every);
+            // If we missed a tick, it will tick immediately, then wait
+            // flush_every for the next tick, resulting in a relaxed interval.
+            // Hoping this will smooth IO pressure when under heavy load.
+            interval.set_missed_tick_behavior(MissedTickBehavior::Delay);
+            let mut status = loop {
+                tokio::select! {
+                    order = self.entry_rx.recv() => {
+                        if let Err(err) = self.handle_order(order).await {
+                            cancellation_token.cancel();
+                            break err;
+                        }
+                    }
+                    _ = interval.tick() => {
+                        if let Err(err) = self.flush().await {
+                            cancellation_token.cancel();
+                            break Some(err);
+                        }
+                    }
+                    _ = cancellation_token.cancelled() => break None
+                };
+            };
+
+            // Finish consuming received entries when shutdown asked
+            if status.is_none() {
+                loop {
+                    let order = self.entry_rx.recv().await;
+                    if let Err(err) = self.handle_order(order).await {
+                        status = err;
+                        break;
+                    }
+                }
+            }
+
+            // Shutdown
+            let close_status = self
+                .close()
+                .await
+                .map_err(|err| format!("while closing database: {err}"));
+
+            let _ = error_tx.send(if let Some(err) = status {
+                Err(err)
+            } else if close_status.is_err() {
+                close_status
+            } else {
+                Ok(())
+            });
+        });
+        error_rx
+    }
+
+    /// Executes an order. Returns:
+    /// - Err(Some) if there was an error,
+    /// - Err(None) is channel is closed,
+    /// - Ok(()) in general case.
+    async fn handle_order(&mut self, order: Option<Order>) -> Result<(), Option<String>> {
+        match order {
+            Some(Order::Log(entry)) => self.handle_entry(entry).await.map_err(Option::Some),
+            Some(Order::OpenTree(open_tree)) => {
+                self.handle_open_tree(open_tree);
+                Ok(())
+            }
+            None => Err(None),
+        }
+    }
+
+    /// Write a received entry.
+    async fn handle_entry(&mut self, entry: Entry) -> Result<(), String> {
+        match self.write_db.write_entry(&entry).await {
+            Ok(bytes_written) => {
+                self.bytes_written += bytes_written;
+                if self.bytes_written > self.max_bytes {
+                    match self.rotate_db().await {
+                        Ok(_) => {
+                            self.bytes_written = 0;
+                            Ok(())
+                        }
+                        Err(err) => Err(format!("while rotating database: {err}")),
+                    }
+                } else {
+                    Ok(())
+                }
+            }
+            Err(err) => Err(format!("while writing entry to database: {err}")),
+        }
+    }
+
+    /// Flush inner database.
+    async fn flush(&mut self) -> Result<(), String> {
+        self.write_db
+            .flush()
+            .await
+            .map_err(|err| format!("while flushing database: {err}"))
+    }
+
+    /// Close inner database.
+    async fn close(mut self) -> Result<(), IoError> {
+        self.write_db.close().await
+    }
+
+    /// Rotate inner database.
+    async fn rotate_db(&mut self) -> Result<(), IoError> {
+        self.write_db.close().await?;
+        let (write_db, _) = rotate_db(&self.path, &self.new_path, false).await?;
+        self.write_db = write_db;
+        Ok(())
+    }
+}
+
+async fn rotate_db(
+    path: &Path,
+    new_path: &Path,
+    startup: bool,
+) -> Result<(WriteDB, LoadedDB), IoError> {
+    let file = match File::open(&path).await {
+        Ok(file) => file,
+        Err(err) => match (startup, err.kind()) {
+            // No need to rotate the database when it is new,
+            // we return here
+            (true, ErrorKind::NotFound) => {
+                return Ok((WriteDB::new(File::create(path).await?), HashMap::default()));
+            }
+            (_, _) => return Err(err),
+        },
+    };
+
+    let mut read_db = ReadDB::new(file);
+    let mut write_db = WriteDB::new(File::create(new_path).await?);
+
+    let loaded_db = read_db.read(&mut write_db, startup).await?;
+
+    rename(new_path, path).await?;
+
+    Ok((write_db, loaded_db))
+}
+
+// Tree
+
+pub trait KeyType: Ord + Serialize + DeserializeOwned + Clone {}
+pub trait ValueType: Ord + Serialize + DeserializeOwned + Clone {}
+
+impl<T> KeyType for T where T: Ord + Serialize + DeserializeOwned + Clone {}
+impl<T> ValueType for T where T: Ord + Serialize + DeserializeOwned + Clone {}
+
+/// Main API of this crate.
+/// [`Tree`] wraps and is meant to be used exactly like a standard [`std::collections::BTreeMap`].
+/// Read operations are RAM only.
+/// Write operations are asynchronously persisted on disk by its parent [`Database`].
+/// They will never block.
+pub struct Tree<K: KeyType, V: ValueType> {
+    // FIXME implement id as a u64 instead?
+    // Could permit to send more direct database entries.
+    // Database should write special entries as soon as a tree is opened.
+    /// The name of the tree
+    id: String,
+    /// The duration for which the data in the tree must be persisted to disk.
+    /// All write operations will stay logged on disk for this duration.
+    /// This property permits the database rotation to be `O(n)` in time and `O(1)` in RAM space,
+    /// `n` being the number of write operations from the last rotation plus the number of new
+    /// operations.
+    entry_timeout: Duration,
+    /// The inner BTreeMap
+    tree: BTreeMap<K, V>,
+    /// The sender that permits to asynchronously send write operations to database
+    tx: mpsc::Sender<Order>,
+}
+
+impl Database {
+    /// Creates a new Tree with the given name and entry timeout.
+    /// Takes a closure (or regular function) that converts (Value, Value) JSON entries
+    /// into (K, V) typed entries.
+    /// Helpers for this closure can be found in the [`helpers`] module.
+    pub async fn open_tree<K: KeyType, V: ValueType, F>(
+        &mut self,
+        name: String,
+        entry_timeout: Duration,
+        map_f: F,
+    ) -> Result<Tree<K, V>, String>
+    where
+        F: Fn((Value, Value)) -> Result<(K, V), String>,
+    {
+        // Request the tree
+        let (tx, rx) = oneshot::channel();
+        let entry_tx = match self.entry_tx.clone() {
+            None => return Err("Database is closing".to_string()),
+            Some(entry_tx) => {
+                entry_tx
+                    .send(Order::OpenTree(OpenTree {
+                        name: name.clone(),
+                        resp: tx,
+                    }))
+                    .await
+                    .map_err(|_| "Database did not answer")?;
+                // Get a clone of the channel sender
+                entry_tx.clone()
+            }
+        };
+        // Load the tree from its JSON
+        let tree = if let Some(json_tree) = rx.await.map_err(|_| "Database did not respond")? {
+            json_tree
+                .into_iter()
+                .map(map_f)
+                .collect::<Result<BTreeMap<K, V>, String>>()?
+        } else {
+            BTreeMap::default()
+        };
+        Ok(Tree {
+            id: name,
+            entry_timeout,
+            tree,
+            tx: entry_tx,
+        })
+    }
+}
+
+impl DatabaseManager {
+    /// Creates a new Tree with the given name and entry timeout.
+    /// Takes a closure (or regular function) that converts (Value, Value) JSON entries
+    /// into (K, V) typed entries.
+    /// Helpers for this closure can be found in the [`helpers`] module.
+    pub fn handle_open_tree(&mut self, open_tree: OpenTree) {
+        let _ = open_tree.resp.send(self.loaded_db.remove(&open_tree.name));
+    }
+
+    // TODO keep only tree names, and use it for next db rotation to remove associated entries
+    // Drops Trees that have not been loaded already
+    // pub fn drop_trees(&mut self) {
+    //     self.loaded_db = HashMap::default();
+    // }
+}
+
+// Gives access to all read-only functions
+impl<K: KeyType, V: ValueType> Deref for Tree<K, V> {
+    type Target = BTreeMap<K, V>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.tree
+    }
+}
+
+// Reimplement write functions
+impl<K: KeyType, V: ValueType> Tree<K, V> {
+    /// Log an [`Entry`] to the [`Database`]
+    async fn log(&mut self, k: &K, v: Option<&V>) {
+        let now = now();
+        let e = Entry {
+            tree: self.id.clone(),
+            key: serde_json::to_value(k).expect("could not serialize key"),
+            value: v.map(|v| serde_json::to_value(v).expect("could not serialize value")),
+            expiry: now + self.entry_timeout,
+        };
+        let tx = self.tx.clone();
+        // FIXME what if send fails?
+        let _ = tx.send(Order::Log(e)).await;
+    }
+
+    /// Asynchronously persisted version of [`BTreeMap::insert`]
+    pub async fn insert(&mut self, key: K, value: V) -> Option<V> {
+        self.log(&key, Some(&value)).await;
+        self.tree.insert(key, value)
+    }
+
+    /// Asynchronously persisted version of [`BTreeMap::pop_first`]
+    pub async fn pop_first(&mut self) -> Option<(K, V)> {
+        match self.tree.pop_first() {
+            Some((key, value)) => {
+                self.log(&key, None).await;
+                Some((key, value))
+            }
+            None => None,
+        }
+    }
+
+    /// Asynchronously persisted version of [`BTreeMap::pop_last`]
+    pub async fn pop_last(&mut self) -> Option<(K, V)> {
+        match self.tree.pop_last() {
+            Some((key, value)) => {
+                self.log(&key, None).await;
+                Some((key, value))
+            }
+            None => None,
+        }
+    }
+
+    /// Asynchronously persisted version of [`BTreeMap::remove`]
+    pub async fn remove(&mut self, key: &K) -> Option<V> {
+        self.log(key, None).await;
+        self.tree.remove(key)
+    }
+
+    /// Updates an item and returns the previous value.
+    /// Returning None removes the item if it existed before.
+    /// Asynchronously persisted.
+    /// *API design borrowed from [`fjall::WriteTransaction::fetch_update`].*
+    pub async fn fetch_update<F: FnMut(Option<V>) -> Option<V>>(
+        &mut self,
+        key: K,
+        mut f: F,
+    ) -> Option<V> {
+        let old_value = self.get(&key).map(|v| v.to_owned());
+        let new_value = f(old_value);
+        self.log(&key, new_value.as_ref()).await;
+        if let Some(new_value) = new_value {
+            self.tree.insert(key, new_value)
+        } else {
+            self.tree.remove(&key)
+        }
+    }
+
+    #[cfg(any(test, feature = "test"))]
+    pub fn tree(&self) -> &BTreeMap<K, V> {
+        &self.tree
+    }
+}
+
+#[cfg(any(test, feature = "test"))]
+impl DatabaseManager {
+    pub fn set_loaded_db(&mut self, loaded_db: LoadedDB) {
+        self.loaded_db = loaded_db;
+    }
+}
+
+#[cfg(any(test, feature = "test"))]
+impl Database {
+    pub async fn from_dir(dir_path: &Path, loaded_db: Option<LoadedDB>) -> Result<Self, IoError> {
+        use tokio_util::task::TaskTracker;
+
+        let (mut manager, entry_tx) = DatabaseManager::open(dir_path).await?;
+        if let Some(loaded_db) = loaded_db {
+            manager.set_loaded_db(loaded_db)
+        }
+        let error_rx = manager.manager(CancellationToken::new(), TaskTracker::new().token());
+        Ok(Self {
+            entry_tx: Some(entry_tx),
+            error_rx,
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use std::{
+        collections::{BTreeMap, BTreeSet, HashMap},
+        time::Duration,
+    };
+
+    use serde_json::Value;
+    use tempfile::{NamedTempFile, TempDir};
+    use tokio::fs::File;
+
+    use super::{DB_NAME, Database, Entry, Time, helpers::*, now, raw::WriteDB, rotate_db};
+
+    #[tokio::test]
+    async fn test_rotate_db() {
+        let now = now();
+
+        let expired = now - Time::from_secs(2);
+        let valid = now + Time::from_secs(2);
+
+        let entries = [
+            Entry {
+                tree: "tree1".into(),
+                key: "key1".into(),
+                value: Some("value1".into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "tree2".into(),
+                key: "key2".into(),
+                value: Some("value2".into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "tree1".into(),
+                key: "key2".into(),
+                value: Some("value2".into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "tree1".into(),
+                key: "key1".into(),
+                value: None,
+                expiry: valid,
+            },
+            Entry {
+                tree: "tree3".into(),
+                key: "key1".into(),
+                value: Some("value1".into()),
+                expiry: expired,
+            },
+        ];
+
+        let path = NamedTempFile::new().unwrap().into_temp_path();
+        let new_path = NamedTempFile::new().unwrap().into_temp_path();
+
+        let mut write_db = WriteDB::new(File::create(&path).await.unwrap());
+        for entry in entries {
+            write_db.write_entry(&entry).await.unwrap();
+        }
+        write_db.close().await.unwrap();
+
+        let (mut write_db, loaded_db) = rotate_db(&path, &new_path, true).await.unwrap();
+        assert_eq!(
+            loaded_db,
+            HashMap::from([
+                (
+                    "tree1".into(),
+                    HashMap::from([("key2".into(), "value2".into())])
+                ),
+                (
+                    "tree2".into(),
+                    HashMap::from([("key2".into(), "value2".into())])
+                )
+            ])
+        );
+
+        // Test that we can write in new db
+        write_db
+            .write_entry(&Entry {
+                tree: "tree3".into(),
+                key: "key3".into(),
+                value: Some("value3".into()),
+                expiry: valid,
+            })
+            .await
+            .unwrap();
+        write_db.close().await.unwrap();
+
+        // And that we get the correct result
+        let (_, loaded_db) = rotate_db(&path, &new_path, true).await.unwrap();
+        assert_eq!(
+            loaded_db,
+            HashMap::from([
+                (
+                    "tree1".into(),
+                    HashMap::from([("key2".into(), "value2".into())])
+                ),
+                (
+                    "tree2".into(),
+                    HashMap::from([("key2".into(), "value2".into())])
+                ),
+                (
+                    "tree3".into(),
+                    HashMap::from([("key3".into(), "value3".into())])
+                ),
+            ])
+        );
+
+        // Test that asking not to load results in no load
+        let (_, loaded_db) = rotate_db(&path, &new_path, false).await.unwrap();
+        assert_eq!(loaded_db, HashMap::default());
+    }
+
+    #[tokio::test]
+    async fn test_open_tree() {
+        let now = now();
+
+        let now2 = now + Time::from_millis(2);
+        let now3 = now + Time::from_millis(3);
+
+        // let now_ms = now.as_nanos().to_string();
+        // let now2_ms = now2.as_nanos().to_string();
+        // let now3_ms = now3.as_nanos().to_string();
+
+        let valid = now + Time::from_secs(2);
+
+        let ip127 = vec!["127.0.0.1".to_string()];
+        let ip1 = vec!["1.1.1.1".to_string()];
+
+        let entries = [
+            Entry {
+                tree: "time-match".into(),
+                key: now.as_nanos().to_string().into(),
+                value: Some(ip127.clone().into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "time-match".into(),
+                key: now2.as_nanos().to_string().into(),
+                value: Some(ip127.clone().into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "time-match".into(),
+                key: now3.as_nanos().to_string().into(),
+                value: Some(ip127.clone().into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "time-match".into(),
+                key: now2.as_nanos().to_string().into(),
+                value: Some(ip127.clone().into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "match-timeset".into(),
+                key: ip127.clone().into(),
+                value: Some([Value::String(now.as_nanos().to_string())].into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "match-timeset".into(),
+                key: ip1.clone().into(),
+                value: Some([Value::String(now2.as_nanos().to_string())].into()),
+                expiry: valid,
+            },
+            Entry {
+                tree: "match-timeset".into(),
+                key: ip1.clone().into(),
+                value: Some(
+                    [
+                        Value::String(now2.as_nanos().to_string()),
+                        Value::String(now3.as_nanos().to_string()),
+                    ]
+                    .into(),
+                ),
+                expiry: valid,
+            },
+        ];
+
+        let dir = TempDir::new().unwrap();
+        let dir_path = dir.path();
+        let db_path = dir_path.join(DB_NAME);
+
+        let mut write_db = WriteDB::new(File::create(&db_path).await.unwrap());
+        for entry in entries {
+            write_db.write_entry(&entry).await.unwrap();
+        }
+        write_db.close().await.unwrap();
+        drop(write_db);
+
+        let mut database = Database::from_dir(dir_path, None).await.unwrap();
+
+        let time_match = database
+            .open_tree(
+                "time-match".into(),
+                Duration::from_secs(2),
+                |(key, value)| Ok((to_time(&key)?, to_match(&value)?)),
+            )
+            .await
+            .unwrap();
+        assert_eq!(
+            time_match.tree,
+            BTreeMap::from([
+                (now, ip127.clone()),
+                (now2, ip127.clone()),
+                (now3, ip127.clone())
+            ])
+        );
+
+        let match_timeset = database
+            .open_tree(
+                "match-timeset".into(),
+                Duration::from_hours(2),
+                |(key, value)| Ok((to_match(&key)?, to_timeset(&value)?)),
+            )
+            .await
+            .unwrap();
+        assert_eq!(
+            match_timeset.tree,
+            BTreeMap::from([
+                (ip127.clone(), BTreeSet::from([now])),
+                (ip1.clone(), BTreeSet::from([now2, now3])),
+            ])
+        );
+
+        let unknown_tree = database
+            .open_tree(
+                "unknown_tree".into(),
+                Duration::from_hours(2),
+                |(key, value)| Ok((to_match(&key)?, to_timeset(&value)?)),
+            )
+            .await
+            .unwrap();
+        assert_eq!(unknown_tree.tree, BTreeMap::default());
+    }
+}
diff --git a/crates/treedb/src/raw.rs b/crates/treedb/src/raw.rs
new file mode 100644
index 0000000..c169539
--- /dev/null
+++ b/crates/treedb/src/raw.rs
@@ -0,0 +1,497 @@
+use std::{
+    collections::HashMap,
+    io::Error as IoError,
+    time::{SystemTime, UNIX_EPOCH},
+};
+
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use thiserror::Error;
+use tokio::{
+    fs::File,
+    io::{AsyncBufReadExt, AsyncWriteExt, BufReader, BufWriter},
+};
+use tracing::error;
+
+use crate::time::Time;
+
+use super::{Entry, LoadedDB};
+
+const DB_TREE_ID: u64 = 0;
+// const DB_TREE_NAME: &str = "tree_names";
+
+#[derive(Debug, Error)]
+pub enum SerdeOrIoError {
+    #[error("{0}")]
+    IO(#[from] IoError),
+    #[error("{0}")]
+    Serde(#[from] serde_json::Error),
+}
+
+#[derive(Debug, Error)]
+pub enum DatabaseError {
+    #[error("{0}")]
+    IO(#[from] IoError),
+    #[error("{0}")]
+    Serde(#[from] serde_json::Error),
+    #[error("missing key id: {0}")]
+    MissingKeyId(u64),
+}
+
+/// Entry in custom database format, just to be written in database
+#[derive(Serialize)]
+struct WriteEntry<'a> {
+    #[serde(rename = "t")]
+    pub tree: u64,
+    #[serde(rename = "k")]
+    pub key: &'a Value,
+    #[serde(rename = "v")]
+    pub value: &'a Option<Value>,
+    #[serde(rename = "e")]
+    pub expiry: u64,
+}
+
+/// Entry in custom database format, just read from database
+#[derive(Deserialize)]
+struct ReadEntry {
+    #[serde(rename = "t")]
+    pub tree: u64,
+    #[serde(rename = "k")]
+    pub key: Value,
+    #[serde(rename = "v")]
+    pub value: Option<Value>,
+    #[serde(rename = "e")]
+    pub expiry: u64,
+}
+
+/// Permits to write entries in a database.
+/// Entries are written as plain JSONL.
+pub struct WriteDB {
+    file: BufWriter<File>,
+    names: HashMap<String, u64>,
+    next_id: u64,
+    buffer: Vec<u8>,
+}
+
+impl WriteDB {
+    /// Creates a wrapper around a file opened in write mode,
+    /// To store entries in it.
+    pub fn new(file: File) -> Self {
+        Self {
+            file: BufWriter::new(file),
+            // names: HashMap::from([(DB_TREE_NAME.into(), DB_TREE_ID)]),
+            names: HashMap::default(),
+            next_id: 1,
+            buffer: Vec::default(),
+        }
+    }
+
+    /// Writes an entry in the database
+    pub async fn write_entry(&mut self, entry: &Entry) -> Result<usize, SerdeOrIoError> {
+        let mut written = 0;
+        let tree_id = match self.names.get(&entry.tree) {
+            Some(id) => *id,
+            // Insert special database entry when the tree is not recorded yet
+            None => {
+                let id = self.next_id;
+                self.next_id += 1;
+
+                self.names.insert(entry.tree.clone(), id);
+                written = self
+                    ._write_entry(&WriteEntry {
+                        tree: DB_TREE_ID,
+                        key: &id.into(),
+                        value: &Some(entry.tree.clone().into()),
+                        // Expiry is not used for special entries
+                        expiry: 0,
+                    })
+                    .await?;
+
+                id
+            }
+        };
+        self._write_entry(&WriteEntry {
+            tree: tree_id,
+            key: &entry.key,
+            value: &entry.value,
+            expiry: entry.expiry.as_millis() as u64,
+        })
+        .await
+        .map(|bytes_written| bytes_written + written)
+    }
+
+    async fn _write_entry(&mut self, raw_entry: &WriteEntry<'_>) -> Result<usize, SerdeOrIoError> {
+        self.buffer.clear();
+        serde_json::to_writer(&mut self.buffer, &raw_entry)?;
+        self.buffer.push(b'\n');
+        Ok(self.file.write(self.buffer.as_ref()).await?)
+    }
+
+    /// Flushes the inner [`tokio::io::BufWriter`]
+    pub async fn flush(&mut self) -> Result<(), IoError> {
+        self.file.flush().await
+    }
+
+    /// Closes the inner [`tokio::io::BufWriter`]
+    /// WriteDB should not be used after this point.
+    pub async fn close(&mut self) -> Result<(), IoError> {
+        self.file.shutdown().await
+    }
+}
+
+/// Permits to read entries from a database.
+/// The database is plain JSONL.
+pub struct ReadDB {
+    file: BufReader<File>,
+    names: HashMap<u64, String>,
+    buffer: String,
+}
+
+impl ReadDB {
+    pub fn new(file: File) -> Self {
+        ReadDB {
+            file: BufReader::new(file),
+            // names: HashMap::from([(DB_TREE_ID, DB_TREE_NAME.into())]),
+            names: HashMap::default(),
+            buffer: String::default(),
+        }
+    }
+
+    pub async fn read(
+        &mut self,
+        write_db: &mut WriteDB,
+        load_db: bool,
+    ) -> tokio::io::Result<LoadedDB> {
+        let mut data_maps = HashMap::new();
+
+        loop {
+            match self.next().await {
+                // EOF
+                Ok(None) => break,
+                // Can't recover io::Error here
+                Err(DatabaseError::IO(err)) => return Err(err),
+                // Just skip malformed entries
+                Err(DatabaseError::Serde(err)) => {
+                    error!("malformed entry read from database: {err}")
+                }
+                Err(DatabaseError::MissingKeyId(id)) => {
+                    error!("invalid entry read from database: {id}")
+                }
+                // Ok, we got an entry
+                Ok(Some(entry)) => {
+                    // Add back in new DB
+                    match write_db.write_entry(&entry).await {
+                        Ok(_) => (),
+                        Err(err) => match err {
+                            SerdeOrIoError::IO(err) => return Err(err),
+                            SerdeOrIoError::Serde(err) => error!(
+                                "serde should be able to serialize an entry just deserialized: {err}"
+                            ),
+                        },
+                    }
+                    // Insert data in RAM
+                    if load_db {
+                        let map: &mut HashMap<Value, Value> =
+                            data_maps.entry(entry.tree).or_default();
+                        match entry.value {
+                            Some(value) => map.insert(entry.key, value),
+                            None => map.remove(&entry.key),
+                        };
+                    }
+                }
+            }
+        }
+
+        Ok(data_maps)
+    }
+
+    async fn next(&mut self) -> Result<Option<Entry>, DatabaseError> {
+        let now = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap()
+            .as_millis() as u64;
+        // Loop until we get a non-special value
+        let raw_entry = loop {
+            self.buffer.clear();
+            let raw_entry = match self.file.read_line(&mut self.buffer).await {
+                // EOF
+                Ok(0) => return Ok(None),
+                Ok(_) => match serde_json::from_str::<ReadEntry>(&self.buffer) {
+                    Ok(raw_entry) => Ok(raw_entry),
+                    Err(err) => Err(DatabaseError::Serde(err)),
+                },
+                Err(err) => Err(DatabaseError::IO(err)),
+            }?;
+
+            if raw_entry.tree == DB_TREE_ID {
+                // Insert new tree
+                self.names.insert(
+                    raw_entry
+                        .key
+                        .as_u64()
+                        .expect("database reserved entry doesn't have an uint as key")
+                        .to_owned(),
+                    raw_entry
+                        .value
+                        .expect("database reserved entry doesn't have a value")
+                        .as_str()
+                        .expect("database reserved entry doesn't have a string as value")
+                        .to_owned(),
+                );
+                // Skip expired entries
+            } else if raw_entry.expiry >= now {
+                break raw_entry;
+            }
+        };
+
+        match self.names.get(&raw_entry.tree) {
+            Some(tree) => Ok(Some(Entry {
+                tree: tree.to_owned(),
+                key: raw_entry.key,
+                value: raw_entry.value,
+                expiry: Time::from_millis(raw_entry.expiry),
+            })),
+            None => Err(DatabaseError::MissingKeyId(raw_entry.tree)),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::collections::HashMap;
+
+    use serde_json::Value;
+    use tempfile::NamedTempFile;
+    use tokio::fs::{File, read, write};
+
+    use crate::{
+        Entry,
+        raw::{DB_TREE_ID, DatabaseError, ReadDB, WriteDB},
+        time::{Time, now},
+    };
+
+    #[tokio::test]
+    async fn write_db_write_entry() {
+        let now = now();
+        let expired = now - Time::from_secs(2);
+        let expired_ts = expired.as_millis();
+        // let valid = now + Time::from_secs(2);
+        // let valid_ts = valid.timestamp_millis();
+
+        let path = NamedTempFile::new().unwrap().into_temp_path();
+
+        let mut write_db = WriteDB::new(File::create(&path).await.unwrap());
+
+        write_db
+            .write_entry(&Entry {
+                tree: "yooo".into(),
+                key: "key1".into(),
+                value: Some("value1".into()),
+                expiry: expired,
+            })
+            .await
+            .unwrap();
+        write_db.flush().await.unwrap();
+
+        let contents = String::from_utf8(read(path).await.unwrap()).unwrap();
+
+        println!("{}", &contents);
+
+        assert_eq!(
+            contents,
+            format!(
+                "{{\"t\":0,\"k\":1,\"v\":\"yooo\",\"e\":0}}\n{{\"t\":1,\"k\":\"key1\",\"v\":\"value1\",\"e\":{expired_ts}}}\n"
+            )
+        );
+    }
+
+    #[tokio::test]
+    async fn read_db_next() {
+        let now = now();
+
+        let expired = now - Time::from_secs(2);
+        let expired_ts = expired.as_millis();
+
+        let valid = now + Time::from_secs(2);
+        let valid_ts = valid.as_millis();
+        // Truncate to millisecond precision
+        let valid = Time::new(valid.as_secs(), valid.subsec_millis() * 1_000_000);
+
+        let path = NamedTempFile::new().unwrap().into_temp_path();
+
+        write(
+            &path,
+            format!(
+                "{{\"t\": {DB_TREE_ID}, \"k\": 1, \"v\": \"test_tree\", \"e\": 0}}
+                 {{\"t\": 1, \"k\": \"key1\", \"v\": 1, \"e\": {expired_ts}}}
+                 {{\"t\": 1, \"k\": \"key2\", \"v\": 2, \"e\": {valid_ts}}}
+                 malformed entry: not json
+                 {{\"t\": \"tree cant be string\", \"k\": \"key2\", \"v\": 2, \"e\": {valid_ts}}}
+                 {{\"t\": 1, \"k\": \"missing quote, \"v\": 2, \"e\": {valid_ts}}}
+                 {{\"t\": 3, \"k\": \"missing key id\", \"v\": 2, \"e\": {valid_ts}}}"
+            ),
+        )
+        .await
+        .unwrap();
+
+        let mut read_db = ReadDB::new(File::open(path).await.unwrap());
+
+        assert_eq!(
+            read_db.next().await.unwrap(),
+            Some(Entry {
+                tree: "test_tree".into(),
+                key: "key2".into(),
+                value: Some(2.into()),
+                expiry: valid,
+            })
+        );
+
+        matches!(read_db.next().await, Err(DatabaseError::Serde(_)));
+        matches!(read_db.next().await, Err(DatabaseError::Serde(_)));
+        matches!(read_db.next().await, Err(DatabaseError::Serde(_)));
+        matches!(read_db.next().await, Err(DatabaseError::MissingKeyId(3)));
+        assert!(read_db.next().await.unwrap().is_none());
+    }
+
+    #[tokio::test]
+    async fn read_db_read() {
+        let now = now();
+
+        let expired = now - Time::from_secs(2);
+        let expired_ts = expired.as_millis();
+
+        let valid = now + Time::from_secs(2);
+        let valid_ts = valid.as_millis();
+
+        let read_path = NamedTempFile::new().unwrap().into_temp_path();
+        let write_path = NamedTempFile::new().unwrap().into_temp_path();
+
+        write(
+            &read_path,
+            format!(
+                "{{\"t\": {DB_TREE_ID}, \"k\": 1, \"v\": \"test_tree\", \"e\": 0}}
+                 {{\"t\": 1, \"k\": \"key1\", \"v\": 1, \"e\": {expired_ts}}}
+                 {{\"t\": 1, \"k\": \"key2\", \"v\": 2, \"e\": {valid_ts}}}
+                 malformed entry: not json
+                 {{\"t\": \"tree cant be string\", \"k\": \"key2\", \"v\": 2, \"e\": {valid_ts}}}
+                 {{\"t\": 1, \"k\": \"missing quote, \"v\": 2, \"e\": {valid_ts}}}
+                 {{\"t\": 3, \"k\": \"missing key id\", \"v\": 2, \"e\": {valid_ts}}}"
+            ),
+        )
+        .await
+        .unwrap();
+
+        // First test loading in RAM
+
+        let mut read_db = ReadDB::new(File::open(&read_path).await.unwrap());
+        let mut write_db = WriteDB::new(File::create(&write_path).await.unwrap());
+        let maps = read_db.read(&mut write_db, true).await.unwrap();
+
+        // Test RAM
+        assert_eq!(
+            maps,
+            HashMap::from([(
+                "test_tree".into(),
+                HashMap::from([("key2".into(), 2.into())])
+            )])
+        );
+
+        // Test disk
+        write_db.close().await.unwrap();
+        let contents = String::from_utf8(read(&write_path).await.unwrap()).unwrap();
+
+        assert_eq!(
+            contents,
+            format!(
+                "{{\"t\":{DB_TREE_ID},\"k\":1,\"v\":\"test_tree\",\"e\":0}}\n\
+                 {{\"t\":1,\"k\":\"key2\",\"v\":2,\"e\":{valid_ts}}}\n"
+            )
+        );
+
+        // Second test only rotating on disk
+
+        let mut read_db = ReadDB::new(File::open(&read_path).await.unwrap());
+        let mut write_db = WriteDB::new(File::create(&write_path).await.unwrap());
+        let maps = read_db.read(&mut write_db, false).await.unwrap();
+
+        // Test RAM
+        assert_eq!(maps, HashMap::default());
+
+        // Test disk
+        write_db.close().await.unwrap();
+        let contents = String::from_utf8(read(write_path).await.unwrap()).unwrap();
+
+        assert_eq!(
+            contents,
+            format!(
+                "{{\"t\":{DB_TREE_ID},\"k\":1,\"v\":\"test_tree\",\"e\":0}}\n\
+                 {{\"t\":1,\"k\":\"key2\",\"v\":2,\"e\":{valid_ts}}}\n"
+            )
+        );
+    }
+
+    // write then read 1000 random entries
+    #[tokio::test]
+    async fn write_then_read_1000() {
+        // Generate entries
+        let now = now();
+        let entries: Vec<_> = (0..1000)
+            .map(|i| Entry {
+                tree: format!("tree{}", i % 4),
+                key: format!("key{}", i % 10).into(),
+                value: Some(format!("value{}", i % 10).into()),
+                expiry: now + Time::from_secs(i % 4) - Time::from_secs(1),
+            })
+            .collect();
+
+        let remove_entries: Vec<_> = (0..1000)
+            .filter(|i| i % 5 == 1)
+            .map(|i| Entry {
+                tree: format!("tree{}", i % 4),
+                key: format!("key{}", i % 10).into(),
+                value: None,
+                expiry: now + Time::from_secs(i % 4),
+            })
+            .collect();
+
+        let all_entries: Vec<_> = entries.iter().chain(remove_entries.iter()).collect();
+
+        let kept_entries: HashMap<String, HashMap<Value, Value>> = entries
+            .iter()
+            .filter(|entry| entry.expiry > now)
+            .filter(|entry| {
+                remove_entries
+                    .iter()
+                    .all(|rm_entry| rm_entry.tree != entry.tree || rm_entry.key != entry.key)
+            })
+            .fold(HashMap::default(), |mut acc, entry| {
+                acc.entry(entry.tree.clone())
+                    .or_default()
+                    .insert(entry.key.clone(), entry.value.clone().unwrap());
+                acc
+            });
+
+        // Write entries
+        let read_path = NamedTempFile::new().unwrap().into_temp_path();
+        let write_path = NamedTempFile::new().unwrap().into_temp_path();
+
+        let mut write_db = WriteDB::new(File::create(&read_path).await.unwrap());
+        for entry in all_entries {
+            write_db.write_entry(entry).await.unwrap();
+        }
+        write_db.close().await.unwrap();
+
+        // Read entries
+        let mut read_db = ReadDB::new(File::open(&read_path).await.unwrap());
+        let mut write_db = WriteDB::new(File::create(&write_path).await.unwrap());
+        let maps = read_db
+            .read(&mut write_db, true)
+            .await
+            .unwrap()
+            .into_iter()
+            .filter(|(_, map)| !map.is_empty())
+            .collect::<HashMap<_, _>>();
+
+        assert_eq!(maps, kept_entries);
+    }
+}
diff --git a/crates/treedb/src/time.rs b/crates/treedb/src/time.rs
new file mode 100644
index 0000000..9e50ee2
--- /dev/null
+++ b/crates/treedb/src/time.rs
@@ -0,0 +1,117 @@
+use std::{
+    fmt,
+    ops::{Add, Deref, Sub},
+    time::{Duration, SystemTime, UNIX_EPOCH},
+};
+
+use serde::{Deserialize, Serialize};
+
+/// [`std::time::Duration`] since [`std::time::UNIX_EPOCH`]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Time(Duration);
+impl Deref for Time {
+    type Target = Duration;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl From<Duration> for Time {
+    fn from(value: Duration) -> Self {
+        Time(value)
+    }
+}
+impl Into<Duration> for Time {
+    fn into(self) -> Duration {
+        self.0
+    }
+}
+impl Add<Duration> for Time {
+    type Output = Time;
+    fn add(self, rhs: Duration) -> Self::Output {
+        Time(self.0 + rhs)
+    }
+}
+impl Add<Time> for Time {
+    type Output = Time;
+    fn add(self, rhs: Time) -> Self::Output {
+        Time(self.0 + rhs.0)
+    }
+}
+impl Sub<Duration> for Time {
+    type Output = Time;
+    fn sub(self, rhs: Duration) -> Self::Output {
+        Time(self.0 - rhs)
+    }
+}
+impl Sub<Time> for Time {
+    type Output = Time;
+    fn sub(self, rhs: Time) -> Self::Output {
+        Time(self.0 - rhs.0)
+    }
+}
+
+impl Serialize for Time {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        self.as_nanos().to_string().serialize(serializer)
+    }
+}
+struct TimeVisitor;
+impl<'de> serde::de::Visitor<'de> for TimeVisitor {
+    type Value = Time;
+
+    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        write!(formatter, "a string representing nanoseconds")
+    }
+
+    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
+    where
+        E: serde::de::Error,
+    {
+        match s.parse::<u128>() {
+            Ok(nanos) => Ok(Time(Duration::new(
+                (nanos / 1_000_000_000) as u64,
+                (nanos % 1_000_000_000) as u32,
+            ))),
+            Err(_) => Err(serde::de::Error::invalid_value(
+                serde::de::Unexpected::Str(s),
+                &self,
+            )),
+        }
+    }
+}
+impl<'de> Deserialize<'de> for Time {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        deserializer.deserialize_str(TimeVisitor)
+    }
+}
+
+impl Time {
+    pub fn new(secs: u64, nanos: u32) -> Time {
+        Time(Duration::new(secs, nanos))
+    }
+    pub fn from_hours(hours: u64) -> Time {
+        Time(Duration::from_hours(hours))
+    }
+    pub fn from_mins(mins: u64) -> Time {
+        Time(Duration::from_mins(mins))
+    }
+    pub fn from_secs(secs: u64) -> Time {
+        Time(Duration::from_secs(secs))
+    }
+    pub fn from_millis(millis: u64) -> Time {
+        Time(Duration::from_millis(millis))
+    }
+    pub fn from_nanos(nanos: u64) -> Time {
+        Time(Duration::from_nanos(nanos))
+    }
+}
+
+pub fn now() -> Time {
+    Time(SystemTime::now().duration_since(UNIX_EPOCH).unwrap())
+}
diff --git a/debian/changelog b/debian/changelog
deleted file mode 100644
index be48a1d..0000000
--- a/debian/changelog
+++ /dev/null
@@ -1,5 +0,0 @@
-reaction (1.3.1-1) stable; urgency=low
-
-  * Initial release.
-
- -- ppom <reaction@ppom.me>  Sat, 06 Apr 2024 18:59:13 +0000
diff --git a/debian/control b/debian/control
deleted file mode 100644
index 72ff04f..0000000
--- a/debian/control
+++ /dev/null
@@ -1,23 +0,0 @@
-Source: reaction
-Maintainer: Luc Didry <luc.reaction@didry.org>
-Section: utils
-Priority: optional
-Standards-Version: 4.6.2
-Build-Depends: debhelper-compat (= 13)
-Homepage: https://framagit.org/ppom/reaction
-
-Package: reaction
-Architecture: any
-Package-Type: deb
-Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: daemon that scans program outputs for patterns, and takes action
- A common use of reaction is to scan ssh and web server logs,
- and ban hosts that cause multiple authentication errors.
- reaction doesn't have all the features of the honorable fail2ban,
- but it's ~10x faster and easier to configure.
-Tag: admin::automation, admin::logging, admin::monitoring,
- interface::commandline, interface::daemon,
- network::firewall, protocol::ip, role::program,
- security::authentication, security::firewall, security::ids,
- security::log-analyzer, use::login, use::monitor,
- works-with-format::plaintext, works-with::logfile, works-with::text
diff --git a/debian/copyright b/debian/copyright
deleted file mode 100644
index 1c5746b..0000000
--- a/debian/copyright
+++ /dev/null
@@ -1,678 +0,0 @@
-Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Source: https://framagit.org/ppom/reaction
-Upstream-Name: reaction
-Upstream-Contact: ppom <reaction@ppom.me>
-License: AGPL-3
-
-Files:
- *
-Copyright: 2023 ppom
-License: AGPL-3
-
-Files:
- debian/*
-Copyright: 2024 Luc Didry
-License: AGPL-3
-
-License: AGPL-3
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
- .
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
- .
-                            Preamble
- .
- The GNU Affero General Public License is a free, copyleft license for
- software and other kinds of works, specifically designed to ensure
- cooperation with the community in the case of network server software.
- .
- The licenses for most software and other practical works are designed
- to take away your freedom to share and change the works.  By contrast,
- our General Public Licenses are intended to guarantee your freedom to
- share and change all versions of a program--to make sure it remains free
- software for all its users.
- .
-  When we speak of free software, we are referring to freedom, not
- price.  Our General Public Licenses are designed to make sure that you
- have the freedom to distribute copies of free software (and charge for
- them if you wish), that you receive source code or can get it if you
- want it, that you can change the software or use pieces of it in new
- free programs, and that you know you can do these things.
- .
-  Developers that use our General Public Licenses protect your rights
- with two steps: (1) assert copyright on the software, and (2) offer
- you this License which gives you legal permission to copy, distribute
- and/or modify the software.
- .
- A secondary benefit of defending all users' freedom is that
- improvements made in alternate versions of the program, if they
- receive widespread use, become available for other developers to
- incorporate.  Many developers of free software are heartened and
- encouraged by the resulting cooperation.  However, in the case of
- software used on network servers, this result may fail to come about.
- The GNU General Public License permits making a modified version and
- letting the public access it on a server without ever releasing its
- source code to the public.
- .
- The GNU Affero General Public License is designed specifically to
- ensure that, in such cases, the modified source code becomes available
- to the community.  It requires the operator of a network server to
- provide the source code of the modified version running there to the
- users of that server.  Therefore, public use of a modified version, on
- a publicly accessible server, gives the public access to the source
- code of the modified version.
- .
- An older license, called the Affero General Public License and
- published by Affero, was designed to accomplish similar goals.  This is
- a different license, not a version of the Affero GPL, but Affero has
- released a new version of the Affero GPL which permits relicensing under
- this license.
- .
- The precise terms and conditions for copying, distribution and
- modification follow.
- .
-                       TERMS AND CONDITIONS
- .
-  0. Definitions.
- .
-  "This License" refers to version 3 of the GNU Affero General Public License.
- .
-  "Copyright" also means copyright-like laws that apply to other kinds of
- works, such as semiconductor masks.
- .
- "The Program" refers to any copyrightable work licensed under this
- License.  Each licensee is addressed as "you".  "Licensees" and
- "recipients" may be individuals or organizations.
- .
- To "modify" a work means to copy from or adapt all or part of the work
- in a fashion requiring copyright permission, other than the making of an
- exact copy.  The resulting work is called a "modified version" of the
- earlier work or a work "based on" the earlier work.
- .
- A "covered work" means either the unmodified Program or a work based
- on the Program.
- .
- To "propagate" a work means to do anything with it that, without
- permission, would make you directly or secondarily liable for
- infringement under applicable copyright law, except executing it on a
- computer or modifying a private copy.  Propagation includes copying,
- distribution (with or without modification), making available to the
- public, and in some countries other activities as well.
- .
- To "convey" a work means any kind of propagation that enables other
- parties to make or receive copies.  Mere interaction with a user through
- a computer network, with no transfer of a copy, is not conveying.
- .
- An interactive user interface displays "Appropriate Legal Notices"
- to the extent that it includes a convenient and prominently visible
- feature that (1) displays an appropriate copyright notice, and (2)
- tells the user that there is no warranty for the work (except to the
- extent that warranties are provided), that licensees may convey the
- work under this License, and how to view a copy of this License.  If
- the interface presents a list of user commands or options, such as a
- menu, a prominent item in the list meets this criterion.
- .
- 1. Source Code.
- .
- The "source code" for a work means the preferred form of the work
- for making modifications to it.  "Object code" means any non-source
- form of a work.
- .
- A "Standard Interface" means an interface that either is an official
- standard defined by a recognized standards body, or, in the case of
- interfaces specified for a particular programming language, one that
- is widely used among developers working in that language.
- .
- The "System Libraries" of an executable work include anything, other
- than the work as a whole, that (a) is included in the normal form of
- packaging a Major Component, but which is not part of that Major
- Component, and (b) serves only to enable use of the work with that
- Major Component, or to implement a Standard Interface for which an
- implementation is available to the public in source code form.  A
- "Major Component", in this context, means a major essential component
- (kernel, window system, and so on) of the specific operating system
- (if any) on which the executable work runs, or a compiler used to
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- License would be to refrain entirely from conveying the Program.
- .
-  13. Remote Network Interaction; Use with the GNU General Public License.
- .
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- Program, your modified version must prominently offer all users
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- The Free Software Foundation may publish revised and/or new versions of
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- EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
- SUCH DAMAGES.
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- If the disclaimer of warranty and limitation of liability provided
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-                     END OF TERMS AND CONDITIONS
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-            How to Apply These Terms to Your New Programs
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- If you develop a new program, and you want it to be of the greatest
- possible use to the public, the best way to achieve this is to make it
- free software which everyone can redistribute and change under these terms.
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- to attach them to the start of each source file to most effectively
- state the exclusion of warranty; and each file should have at least
- the "copyright" line and a pointer to where the full notice is found.
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-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
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-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
- .
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
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-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
- .
- Also add information on how to contact you by electronic and paper mail.
- .
- If your software can interact with users remotely through a computer
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- interface could display a "Source" link that leads users to an archive
- of the code.  There are many ways you could offer source, and different
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- You should also get your employer (if you work as a programmer) or school,
- if any, to sign a "copyright disclaimer" for the program, if necessary.
- For more information on this, and how to apply and follow the GNU AGPL, see
- <http://www.gnu.org/licenses/>.
diff --git a/debian/reaction.dirs b/debian/reaction.dirs
deleted file mode 100644
index 60888a1..0000000
--- a/debian/reaction.dirs
+++ /dev/null
@@ -1,3 +0,0 @@
-usr/bin
-usr/sbin
-lib/systemd/system
diff --git a/debian/reaction.lintian-overrides b/debian/reaction.lintian-overrides
deleted file mode 100644
index 3a456a4..0000000
--- a/debian/reaction.lintian-overrides
+++ /dev/null
@@ -1 +0,0 @@
-reaction: initial-upload-closes-no-bugs
diff --git a/debian/reaction@.service b/debian/reaction@.service
deleted file mode 100644
index 488f562..0000000
--- a/debian/reaction@.service
+++ /dev/null
@@ -1,13 +0,0 @@
-# vim: ft=systemd
-[Unit]
-Description=A daemon that scans program outputs for repeated patterns, and takes action.
-Documentation=https://framagit.org/ppom/reaction-wiki
-
-[Service]
-ExecStart=/usr/bin/reaction start -c /etc/%i
-StateDirectory=reaction
-RuntimeDirectory=reaction
-WorkingDirectory=/var/lib/reaction
-
-[Install]
-WantedBy=multi-user.target
diff --git a/debian/rules b/debian/rules
deleted file mode 100755
index ad79dca..0000000
--- a/debian/rules
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/usr/bin/make -f
-%:
-	dh $@
-
-override_dh_auto_install:
-	install -m755 reaction $$(pwd)/debian/reaction/usr/bin
-	install -m755 nft46 $$(pwd)/debian/reaction/usr/sbin
-	install -m755 ip46tables $$(pwd)/debian/reaction/usr/sbin
diff --git a/debian/source/format b/debian/source/format
deleted file mode 100644
index 163aaf8..0000000
--- a/debian/source/format
+++ /dev/null
@@ -1 +0,0 @@
-3.0 (quilt)
diff --git a/default.nix b/default.nix
deleted file mode 100644
index b40c8f7..0000000
--- a/default.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{ buildGoModule, fetchFromGitLab }:
-let
-  pname = "reaction";
-  version = "v0.1";
-in buildGoModule {
-  inherit pname version;
-
-  src = ./.;
-  # src = fetchFromGitLab {
-  #   domain = "framagit.org";
-  #   owner = "ppom";
-  #   repo = pname;
-  #   rev = version;
-  #   sha256 = "sha256-45ytTNZIbTIUOPBgAdD7o9hyWlJo//izUhGe53PcwNA=";
-  # };
-
-  vendorHash = "sha256-g+yaVIx4jxpAQ/+WrGKxhVeliYx7nLQe/zsGpxV4Fn4=";
-}
diff --git a/go.mod b/go.mod
deleted file mode 100644
index d61ddc3..0000000
--- a/go.mod
+++ /dev/null
@@ -1,10 +0,0 @@
-module framagit.org/ppom/reaction
-
-go 1.21
-
-require (
-	github.com/google/go-jsonnet v0.20.0
-	sigs.k8s.io/yaml v1.1.0
-)
-
-require gopkg.in/yaml.v2 v2.4.0 // indirect
diff --git a/go.sum b/go.sum
deleted file mode 100644
index a4ae243..0000000
--- a/go.sum
+++ /dev/null
@@ -1,9 +0,0 @@
-github.com/google/go-jsonnet v0.20.0 h1:WG4TTSARuV7bSm4PMB4ohjxe33IHT5WVTrJSU33uT4g=
-github.com/google/go-jsonnet v0.20.0/go.mod h1:VbgWF9JX7ztlv770x/TolZNGGFfiHEVx9G6ca2eUmeA=
-github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
-sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
diff --git a/helpers_c/ip46tables.c b/helpers_c/ip46tables.c
deleted file mode 100644
index 3af3c78..0000000
--- a/helpers_c/ip46tables.c
+++ /dev/null
@@ -1,91 +0,0 @@
-#include<ctype.h>
-#include<errno.h>
-#include<stdio.h>
-#include<stdlib.h>
-#include<string.h>
-#include<unistd.h>
-
-// If this programs
-// - receives an ipv4 address in its arguments:
-//   → it will executes iptables  with the same arguments in place.
-//
-// - receives an ipv6 address in its arguments:
-//   → it will executes ip6tables with the same arguments in place.
-//
-// - doesn't receive an ipv4 or ipv6 address in its arguments:
-//   → it will executes both, with the same arguments in place.
-
-int isIPv4(char *tab) {
-	int i,len;
-	// IPv4 addresses are at least 7 chars long
-	len = strlen(tab);
-	if (len < 7 || !isdigit(tab[0]) || !isdigit(tab[len-1])) {
-			return 0;
-	}
-	// Each char must be a digit or a dot between 2 digits
-	for (i=1; i<len-1; i++) {
-		if (!isdigit(tab[i]) && !(tab[i] == '.' && isdigit(tab[i-1]) && isdigit(tab[i+1]))) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-int isIPv6(char *tab) {
-	int i,len, twodots = 0;
-	// IPv6 addresses are at least 3 chars long
-	len = strlen(tab);
-	if (len < 3) {
-			return 0;
-	}
-	// Each char must be a digit, :, a-f, or A-F
-	for (i=0; i<len; i++) {
-		if (!isdigit(tab[i]) && tab[i] != ':' && !(tab[i] >= 'a' && tab[i] <= 'f') && !(tab[i] >= 'A' && tab[i] <= 'F')) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-int guess_type(int len, char *tab[]) {
-	int i;
-	for (i=0; i<len; i++) {
-		if (isIPv4(tab[i])) {
-			return 4;
-		} else if (isIPv6(tab[i])) {
-			return 6;
-		}
-	}
-	return 0;
-}
-
-int exec(char *str, char **argv) {
-	argv[0] = str;
-	execvp(str, argv);
-	// returns only if fails
-	printf("ip46tables: exec failed %d\n", errno);
-}
-
-int main(int argc, char **argv) {
-	if (argc < 2) {
-		printf("ip46tables: At least one argument has to be given\n");
-		exit(1);
-	}
-	int type;
-	type = guess_type(argc, argv);
-	if (type == 4) {
-		exec("iptables", argv);
-	} else if (type == 6) {
-		exec("ip6tables", argv);
-	} else {
-		pid_t pid = fork();
-		if (pid == -1) {
-			printf("ip46tables: fork failed\n");
-			exit(1);
-		} else if (pid) {
-			exec("iptables", argv);
-		} else {
-			exec("ip6tables", argv);
-		}
-	}
-}
diff --git a/helpers_c/nft46.c b/helpers_c/nft46.c
deleted file mode 100644
index fc84aa0..0000000
--- a/helpers_c/nft46.c
+++ /dev/null
@@ -1,97 +0,0 @@
-#include<ctype.h>
-#include<errno.h>
-#include<stdio.h>
-#include<stdlib.h>
-#include<string.h>
-#include<unistd.h>
-
-// nft46 'add element inet reaction ipvXbans { 1.2.3.4 }' → nft 'add element inet reaction ipv4bans { 1.2.3.4 }'
-// nft46 'add element inet reaction ipvXbans { a:b::c:d }' → nft 'add element inet reaction ipv6bans { a:b::c:d }'
-//
-// the character X is replaced by 4 or 6 depending on the address family of the specified IP
-//
-// Limitations:
-// - nft46 must receive exactly one argument
-// - only one IP must be given per command
-// - the IP must be between { braces }
-
-int isIPv4(char *tab, int len) {
-	int i;
-	// IPv4 addresses are at least 7 chars long
-	if (len < 7 || !isdigit(tab[0]) || !isdigit(tab[len-1])) {
-			return 0;
-	}
-	// Each char must be a digit or a dot between 2 digits
-	for (i=1; i<len-1; i++) {
-		if (!isdigit(tab[i]) && !(tab[i] == '.' && isdigit(tab[i-1]) && isdigit(tab[i+1]))) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-int isIPv6(char *tab, int len) {
-	int i;
-	// IPv6 addresses are at least 3 chars long
-	if (len < 3) {
-		return 0;
-	}
-	// Each char must be a digit, :, a-f, or A-F
-	for (i=0; i<len; i++) {
-		if (!isdigit(tab[i]) && tab[i] != ':' && tab[i] != '.' && !(tab[i] >= 'a' && tab[i] <= 'f') && !(tab[i] >= 'A' && tab[i] <= 'F')) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-int findchar(char *tab, char c, int i, int len) {
-	while (i < len && tab[i] != c) i++;
-	if (i == len) {
-		printf("nft46: one %c must be present", c);
-		exit(1);
-	}
-	return i;
-}
-
-void adapt_args(char *tab) {
-	int i, len, X, startIP, endIP, startedIP;
-	X = startIP = endIP = -1;
-	startedIP = 0;
-	len = strlen(tab);
-	i = 0;
-	X = i = findchar(tab, 'X', i, len);
-	startIP = i = findchar(tab, '{', i, len);
-	while (startIP + 1 <= (i = findchar(tab, ' ', i, len))) startIP = i + 1;
-	i = startIP;
-	endIP = i = findchar(tab, ' ', i, len) - 1;
-
-	if (isIPv4(tab+startIP, endIP-startIP+1)) {
-		tab[X] = '4';
-		return;
-	}
-
-	if (isIPv6(tab+startIP, endIP-startIP+1)) {
-		tab[X] = '6';
-		return;
-	}
-
-	printf("nft46: no IP address found\n");
-	exit(1);
-}
-
-int exec(char *str, char **argv) {
-	argv[0] = str;
-	execvp(str, argv);
-	// returns only if fails
-	printf("nft46: exec failed %d\n", errno);
-}
-
-int main(int argc, char **argv) {
-	if (argc != 2) {
-		printf("nft46: Exactly one argument must be given\n");
-		exit(1);
-	}
-	adapt_args(argv[1]);
-	exec("nft", argv);
-}
diff --git a/logger/log.go b/logger/log.go
deleted file mode 100644
index 9692545..0000000
--- a/logger/log.go
+++ /dev/null
@@ -1,80 +0,0 @@
-package logger
-
-import "log"
-
-type Level int
-
-const (
-	UNKNOWN = Level(-1)
-	DEBUG   = Level(1)
-	INFO    = Level(2)
-	WARN    = Level(3)
-	ERROR   = Level(4)
-	FATAL   = Level(5)
-)
-
-func (l Level) String() string {
-	switch l {
-	case DEBUG:
-		return "DEBUG "
-	case INFO:
-		return "INFO  "
-	case WARN:
-		return "WARN  "
-	case ERROR:
-		return "ERROR "
-	case FATAL:
-		return "FATAL "
-	default:
-		return "????? "
-	}
-}
-
-func FromString(s string) Level {
-	switch s {
-	case "DEBUG":
-		return DEBUG
-	case "INFO":
-		return INFO
-	case "WARN":
-		return WARN
-	case "ERROR":
-		return ERROR
-	case "FATAL":
-		return FATAL
-	default:
-		return UNKNOWN
-	}
-}
-
-var LogLevel Level = 2
-
-func SetLogLevel(level Level) {
-	LogLevel = level
-}
-
-func Println(level Level, args ...any) {
-	if level >= LogLevel {
-		newargs := make([]any, 0)
-		newargs = append(newargs, level)
-		newargs = append(newargs, args...)
-		log.Println(newargs...)
-	}
-}
-
-func Printf(level Level, format string, args ...any) {
-	if level >= LogLevel {
-		log.Printf(level.String()+format, args...)
-	}
-}
-
-func Fatalln(args ...any) {
-	newargs := make([]any, 0)
-	newargs = append(newargs, FATAL)
-	newargs = append(newargs, args...)
-	log.Fatalln(newargs...)
-}
-
-func Fatalf(format string, args ...any) {
-	log.Fatalf(FATAL.String()+format, args...)
-}
diff --git a/logo/nlnet.svg b/logo/nlnet.svg
new file mode 100644
index 0000000..373c8d8
--- /dev/null
+++ b/logo/nlnet.svg
@@ -0,0 +1,34 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<!-- Created using Karbon14, part of koffice: http://www.koffice.org/karbon -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="449px" height="168px">
+  <defs>
+  </defs>
+  <g id="Layer">
+  </g>
+  <g id="Layer">
+    <path fill="#98bf00" d="M446.602 73.8789L449.102 60.234L436.207 60.234L439.957 40.145L424.512 46.191L422.012 60.234L412.617 60.234L410.117 73.8789L419.363 73.8789L416.215 91.1719C416.066 92.125 415.816 93.5234 415.566 95.3203C415.316 97.1211 415.164 98.7188 415.164 100.07C415.215 106.316 416.715 111.465 419.664 115.516C422.613 119.66 427.41 122.109 434.109 122.859L440.555 109.566C437.105 109.117 434.508 107.766 432.66 105.469C430.809 103.117 429.91 100.168 429.91 96.5703C429.91 95.8711 430.012 94.8711 430.16 93.5234C430.309 92.1719 430.461 91.0742 430.609 90.2227L433.609 73.8789L446.602 73.8789L446.602 73.8789Z"  />
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diff --git a/logo/reaction.svg b/logo/reaction.svg
new file mode 100644
index 0000000..433df16
--- /dev/null
+++ b/logo/reaction.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="260" height="260">
+    <polygon points="0,0 0,260 260,260 260,0" style="fill:black;"/>
+    <polygon points="20,100 80,100 80,120 60,120 60,130 80,130 80,140 50,140 50,110 30,110 30,140 20,140" style="fill:#d18c6d;"/>
+    <polygon points="90,110 90,120 110,120 110,130 90,130 90,150 140,150 140,140 120,140 120,120 150,120 150,150 160,150 160,120 190,120 190,150 220,150 220,120 230,120 230,150 240,150 240,110" style="fill:white;"/>
+    <polygon points="170,130 180,130 180,150 170,150" style="fill:white;"/>
+    <polygon points="200,120 210,120 210,140 200,140" style="fill:black;"/>
+</svg>
diff --git a/packaging/Makefile b/packaging/Makefile
new file mode 100644
index 0000000..ac1a064
--- /dev/null
+++ b/packaging/Makefile
@@ -0,0 +1,26 @@
+PREFIX ?= /usr/local
+BINDIR = $(PREFIX)/bin
+MANDIR = $(PREFIX)/share/man/man1
+SYSTEMDDIR ?= /etc/systemd
+
+install:
+	install -Dm755 reaction                $(DESTDIR)$(BINDIR)
+	install -Dm755 reaction-plugin-virtual $(DESTDIR)$(BINDIR)
+	install -Dm644 reaction*.1 -t $(DESTDIR)$(MANDIR)/
+	install -Dm644 reaction.bash  $(DESTDIR)$(PREFIX)/share/bash-completion/completions/reaction
+	install -Dm644 reaction.fish  $(DESTDIR)$(PREFIX)/share/fish/vendor_completions.d/reaction.fish
+	install -Dm644 _reaction      $(DESTDIR)$(PREFIX)/share/zsh/vendor-completions/_reaction
+	install -Dm644 reaction.service $(SYSTEMDDIR)/system/reaction.service
+
+install-ipset:
+	install -Dm755 reaction-plugin-ipset $(DESTDIR)$(BINDIR)
+
+remove:
+	rm -f $(DESTDIR)$(BINDIR)/bin/reaction
+	rm -f $(DESTDIR)$(BINDIR)/bin/reaction-plugin-virtual
+	rm -f $(DESTDIR)$(BINDIR)/bin/reaction-plugin-ipset
+	rm -f $(DESTDIR)$(MANDIR)/reaction*.1
+	rm -f $(DESTDIR)$(PREFIX)/share/bash-completion/completions/reaction
+	rm -f $(DESTDIR)$(PREFIX)/share/fish/vendor_completions.d/reaction.fish
+	rm -f $(DESTDIR)$(PREFIX)/share/zsh/vendor-completions/_reaction
+	rm -f $(SYSTEMDDIR)/system/reaction.service
diff --git a/packaging/reaction.service b/packaging/reaction.service
new file mode 100644
index 0000000..343015d
--- /dev/null
+++ b/packaging/reaction.service
@@ -0,0 +1,24 @@
+# vim: ft=systemd
+[Unit]
+Description=reaction daemon
+Documentation=https://reaction.ppom.me
+# Ensure reaction will insert its chain after docker has inserted theirs. Only useful when iptables & docker are used
+# After=docker.service
+
+# See `man systemd.exec` and `man systemd.service` for most options below
+[Service]
+ExecStart=/usr/bin/reaction start -c /etc/reaction/
+
+# Ask systemd to create /var/lib/reaction (/var/lib/ is implicit)
+StateDirectory=reaction
+# Ask systemd to create /run/reaction at runtime (/run/ is implicit)
+RuntimeDirectory=reaction
+# Start reaction in its state directory
+WorkingDirectory=/var/lib/reaction
+# Let reaction kill its child processes first
+KillMode=mixed
+# Put reaction in its own slice so that plugins can be grouped within.
+Slice=system-reaction.slice
+
+[Install]
+WantedBy=multi-user.target
diff --git a/packaging/system-reaction.slice b/packaging/system-reaction.slice
new file mode 100644
index 0000000..732f276
--- /dev/null
+++ b/packaging/system-reaction.slice
@@ -0,0 +1 @@
+[Slice]
diff --git a/plugins/reaction-plugin-cluster/Cargo.toml b/plugins/reaction-plugin-cluster/Cargo.toml
new file mode 100644
index 0000000..a187544
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "reaction-plugin-cluster"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+reaction-plugin.workspace = true
+
+chrono.workspace = true
+futures.workspace = true
+remoc.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+tokio.features = ["rt-multi-thread"]
+treedb.workspace = true
+
+data-encoding = "2.9.0"
+iroh = { version = "0.95.1", default-features = false }
+rand = "0.9.2"
+
+[dev-dependencies]
+assert_fs.workspace = true
diff --git a/plugins/reaction-plugin-cluster/src/cluster.rs b/plugins/reaction-plugin-cluster/src/cluster.rs
new file mode 100644
index 0000000..8729d62
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/cluster.rs
@@ -0,0 +1,165 @@
+use std::{
+    collections::BTreeMap,
+    net::{SocketAddrV4, SocketAddrV6},
+    sync::Arc,
+    time::Duration,
+};
+
+use futures::future::join_all;
+use iroh::{
+    Endpoint,
+    endpoint::{ConnectOptions, TransportConfig},
+};
+use reaction_plugin::{Line, shutdown::ShutdownController};
+use remoc::rch::mpsc as remocMpsc;
+use tokio::sync::mpsc as tokioMpsc;
+use treedb::{Database, time::Time};
+
+use crate::{ActionInit, StreamInit, connection::ConnectionManager, endpoint::EndpointManager};
+
+pub const ALPN: [&[u8]; 1] = ["reaction_cluster_1".as_bytes()];
+
+pub type UtcLine = (Arc<String>, Time);
+
+pub fn transport_config() -> TransportConfig {
+    // FIXME higher timeouts and keep alive
+    let mut transport = TransportConfig::default();
+    transport
+        .max_idle_timeout(Some(Duration::from_millis(2000).try_into().unwrap()))
+        .keep_alive_interval(Some(Duration::from_millis(200)));
+    transport
+}
+
+pub fn connect_config() -> ConnectOptions {
+    ConnectOptions::new().with_transport_config(transport_config().into())
+}
+
+pub async fn bind(stream: &StreamInit) -> Result<Endpoint, String> {
+    let mut builder = Endpoint::builder()
+        .secret_key(stream.secret_key.clone())
+        .alpns(ALPN.iter().map(|slice| slice.to_vec()).collect())
+        .relay_mode(iroh::RelayMode::Disabled)
+        .clear_discovery()
+        .transport_config(transport_config());
+
+    if let Some(ip) = stream.bind_ipv4 {
+        builder = builder.bind_addr_v4(SocketAddrV4::new(ip, stream.listen_port));
+    }
+    if let Some(ip) = stream.bind_ipv6 {
+        builder = builder.bind_addr_v6(SocketAddrV6::new(ip, stream.listen_port, 0, 0));
+    }
+
+    builder.bind().await.map_err(|err| {
+        format!(
+            "Could not create socket address for cluster {}: {err}",
+            stream.name
+        )
+    })
+}
+
+pub async fn cluster_tasks(
+    endpoint: Endpoint,
+    mut stream: StreamInit,
+    mut actions: Vec<ActionInit>,
+    db: &mut Database,
+    shutdown: ShutdownController,
+) -> Result<(), String> {
+    eprintln!("DEBUG cluster tasks starts running");
+
+    let (message_action2connection_txs, mut message_action2connection_rxs): (
+        Vec<tokioMpsc::Sender<UtcLine>>,
+        Vec<tokioMpsc::Receiver<UtcLine>>,
+    ) = (0..stream.nodes.len())
+        .map(|_| tokioMpsc::channel(1))
+        .unzip();
+
+    // Spawn action tasks
+    while let Some(mut action) = actions.pop() {
+        let message_action2connection_txs = message_action2connection_txs.clone();
+        let own_cluster_tx = stream.tx.clone();
+        tokio::spawn(async move {
+            action
+                .serve(message_action2connection_txs, own_cluster_tx)
+                .await
+        });
+    }
+
+    let endpoint = Arc::new(endpoint);
+
+    let mut connection_endpoint2connection_txs = BTreeMap::new();
+
+    // Spawn connection managers
+    while let Some((pk, endpoint_addr)) = stream.nodes.pop_first() {
+        let cluster_name = stream.name.clone();
+        let endpoint = endpoint.clone();
+        let message_action2connection_rx = message_action2connection_rxs.pop().unwrap();
+        let stream_tx = stream.tx.clone();
+        let shutdown = shutdown.clone();
+        let (connection_manager, connection_endpoint2connection_tx) = ConnectionManager::new(
+            cluster_name,
+            endpoint_addr,
+            endpoint,
+            stream.message_timeout,
+            message_action2connection_rx,
+            stream_tx,
+            db,
+            shutdown,
+        )
+        .await?;
+        tokio::spawn(async move { connection_manager.task().await });
+        connection_endpoint2connection_txs.insert(pk, connection_endpoint2connection_tx);
+    }
+
+    // Spawn connection accepter
+    EndpointManager::new(
+        endpoint.clone(),
+        stream.name.clone(),
+        connection_endpoint2connection_txs,
+        shutdown.clone(),
+    );
+
+    eprintln!("DEBUG cluster tasks finished running");
+    Ok(())
+}
+
+impl ActionInit {
+    // Receive messages from its reaction action and dispatch them to all connections and to the reaction stream
+    async fn serve(
+        &mut self,
+        nodes_tx: Vec<tokioMpsc::Sender<UtcLine>>,
+        own_stream_tx: remocMpsc::Sender<Line>,
+    ) {
+        while let Ok(Some(m)) = self.rx.recv().await {
+            eprintln!("DEBUG action: received a message to send to connections");
+            let line = self.send.line(m.match_);
+            if self.self_
+                && let Err(err) = own_stream_tx.send((line.clone(), m.time)).await
+            {
+                eprintln!("ERROR while queueing message to be sent to own cluster stream: {err}");
+            }
+
+            let line = (Arc::new(line), m.time.into());
+            for result in join_all(nodes_tx.iter().map(|tx| tx.send(line.clone()))).await {
+                if let Err(err) = result {
+                    eprintln!("ERROR while queueing message to be sent to cluster nodes: {err}");
+                };
+            }
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use chrono::{DateTime, Local};
+
+    // As long as nodes communicate with UTC datetimes, them having different local timezones is not an issue!
+    #[test]
+    fn different_local_tz_is_ok() {
+        let dates: Vec<DateTime<Local>> = serde_json::from_str(
+            "[\"2025-11-02T17:47:21.716229569+01:00\",\"2025-11-02T18:47:21.716229569+02:00\"]",
+        )
+        .unwrap();
+
+        assert_eq!(dates[0].to_utc(), dates[1].to_utc());
+    }
+}
diff --git a/plugins/reaction-plugin-cluster/src/connection.rs b/plugins/reaction-plugin-cluster/src/connection.rs
new file mode 100644
index 0000000..cdf584f
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/connection.rs
@@ -0,0 +1,668 @@
+use std::{cmp::max, io::Error as IoError, sync::Arc, time::Duration};
+
+use futures::FutureExt;
+use iroh::{
+    Endpoint, EndpointAddr,
+    endpoint::{Connection, RecvStream, SendStream, VarInt},
+};
+use rand::random_range;
+use reaction_plugin::{Line, shutdown::ShutdownController};
+use tokio::{
+    io::{AsyncReadExt, AsyncWriteExt, BufReader, BufWriter},
+    sync::mpsc,
+    time::sleep,
+};
+use treedb::{
+    Database, Tree,
+    helpers::{to_string, to_time},
+    time::{Time, now},
+};
+
+use crate::{
+    cluster::{ALPN, UtcLine, connect_config},
+    key::Show,
+};
+
+const PROTOCOL_VERSION: u32 = 1;
+
+const CLOSE_RECV: (u32, &[u8]) = (1, b"error receiving from your stream");
+const CLOSE_CLOSED: (u32, &[u8]) = (2, b"you closed your stream");
+const CLOSE_SEND: (u32, &[u8]) = (3, b"could not send a message to your channel so I quit");
+
+type MaybeRemoteLine = Result<Option<(String, Time)>, IoError>;
+
+enum Event {
+    LocalMessageReceived(Option<UtcLine>),
+    RemoteMessageReceived(MaybeRemoteLine),
+    ConnectionReceived(Option<ConnOrConn>),
+}
+
+pub struct OwnConnection {
+    connection: Connection,
+    id: u64,
+
+    line_tx: BufWriter<SendStream>,
+    line_rx: BufReader<RecvStream>,
+
+    next_time_secs: Option<u64>,
+    next_time_nanos: Option<u32>,
+    next_len: Option<usize>,
+    next_line: Option<Vec<u8>>,
+}
+
+impl OwnConnection {
+    fn new(
+        connection: Connection,
+        id: u64,
+        line_tx: BufWriter<SendStream>,
+        line_rx: BufReader<RecvStream>,
+    ) -> Self {
+        Self {
+            connection,
+            id,
+            line_tx,
+            line_rx,
+            next_time_secs: None,
+            next_time_nanos: None,
+            next_len: None,
+            next_line: None,
+        }
+    }
+
+    /// Send a line to peer.
+    ///
+    /// Time is a std::time::Duration since UNIX_EPOCH, which is defined as UTC
+    /// So it's safe to use between nodes using different timezones
+    async fn send_line(&mut self, line: &String, time: &Time) -> Result<(), std::io::Error> {
+        self.line_tx.write_u64(time.as_secs()).await?;
+        self.line_tx.write_u32(time.subsec_nanos()).await?;
+        self.line_tx.write_u32(line.len() as u32).await?;
+        self.line_tx.write_all(line.as_bytes()).await?;
+        self.line_tx.flush().await?;
+        Ok(())
+    }
+
+    /// Cancel-safe function that returns next line from peer
+    /// Returns None if we don't have all data yet.
+    async fn recv_line(&mut self) -> MaybeRemoteLine {
+        if self.next_time_secs.is_none() {
+            self.next_time_secs = Some(self.line_rx.read_u64().await?);
+        }
+        if self.next_time_nanos.is_none() {
+            self.next_time_nanos = Some(self.line_rx.read_u32().await?);
+        }
+        if self.next_len.is_none() {
+            self.next_len = Some(self.line_rx.read_u32().await? as usize);
+        }
+        // Ok we have next_len.is_some()
+        let next_len = self.next_len.clone().unwrap();
+
+        if self.next_line.is_none() {
+            self.next_line = Some(Vec::with_capacity(next_len));
+        }
+        // Ok we have next_line.is_some()
+        let next_line = self.next_line.as_mut().unwrap();
+
+        let actual_len = next_line.len();
+        // Resize to wanted length
+        next_line.resize(next_len, 0);
+
+        // Read bytes
+        let bytes_read = self
+            .line_rx
+            .read(&mut next_line[actual_len..next_len])
+            .await?;
+        // Truncate possibly unread bytes
+        next_line.truncate(actual_len + bytes_read);
+
+        // Let's test if we read all bytes
+        if next_line.len() == next_len {
+            // Ok we have a full line
+            self.next_len.take();
+            let line = String::try_from(self.next_line.take().unwrap()).map_err(|err| {
+                std::io::Error::new(std::io::ErrorKind::InvalidData, err.to_string())
+            })?;
+            let time = Time::new(
+                self.next_time_secs.take().unwrap(),
+                self.next_time_nanos.take().unwrap(),
+            );
+            Ok(Some((line, time)))
+        } else {
+            // Ok we don't have a full line, will be next time!
+            Ok(None)
+        }
+    }
+}
+
+pub enum ConnOrConn {
+    Connection(Connection),
+    OwnConnection(OwnConnection),
+}
+
+/// Handle a remote node.
+/// Manage reception and sending of messages to this node.
+/// Retry failed connections.
+pub struct ConnectionManager {
+    /// Cluster's name (for logging)
+    cluster_name: String,
+    /// The remote node we're communicating with (for logging)
+    node_id: String,
+    /// Remote
+    remote: EndpointAddr,
+    /// Endpoint
+    endpoint: Arc<Endpoint>,
+
+    /// Cancel asking for a connection
+    cancel_ask_connection: Option<mpsc::Sender<()>>,
+    /// Create a delegated task to send ourselves a connection
+    connection_tx: mpsc::Sender<ConnOrConn>,
+    /// The EndpointManager or our delegated task sending us a connection (whether we asked for it or not)
+    connection_rx: mpsc::Receiver<ConnOrConn>,
+    /// Our own connection (when we have one)
+    connection: Option<OwnConnection>,
+    /// Last connexion ID, used to have a determinist way to choose between conflicting connections
+    last_connection_id: u64,
+
+    /// Max duration before we drop pending messages to a node we can't connect to.
+    message_timeout: Duration,
+    /// Message we receive from actions
+    message_rx: mpsc::Receiver<UtcLine>,
+    /// Our queue of messages to send
+    message_queue: Tree<Time, Arc<String>>,
+
+    /// Messages we send from remote nodes to our own stream
+    own_cluster_tx: remoc::rch::mpsc::Sender<Line>,
+
+    /// shutdown
+    shutdown: ShutdownController,
+}
+
+impl ConnectionManager {
+    pub async fn new(
+        cluster_name: String,
+        remote: EndpointAddr,
+        endpoint: Arc<Endpoint>,
+        message_timeout: Duration,
+        message_rx: mpsc::Receiver<UtcLine>,
+        own_cluster_tx: remoc::rch::mpsc::Sender<Line>,
+        db: &mut Database,
+        shutdown: ShutdownController,
+    ) -> Result<(Self, mpsc::Sender<ConnOrConn>), String> {
+        let node_id = remote.id.show();
+
+        let message_queue = db
+            .open_tree(
+                format!("message_queue_{}_{}", endpoint.id().show(), node_id),
+                message_timeout,
+                |(key, value)| Ok((to_time(&key)?, Arc::new(to_string(&value)?))),
+            )
+            .await?;
+
+        let (connection_tx, connection_rx) = mpsc::channel(1);
+        Ok((
+            Self {
+                cluster_name,
+                node_id,
+                remote,
+                endpoint,
+                connection: None,
+                cancel_ask_connection: None,
+                connection_tx: connection_tx.clone(),
+                connection_rx,
+                last_connection_id: 0,
+                message_timeout,
+                message_rx,
+                message_queue,
+                own_cluster_tx,
+                shutdown,
+            },
+            connection_tx,
+        ))
+    }
+
+    /// Main loop
+    pub async fn task(mut self) {
+        self.ask_connection();
+        loop {
+            let have_connection = self.connection.is_some();
+            let maybe_conn_rx = self
+                .connection
+                .as_mut()
+                .map(|conn| conn.recv_line().boxed())
+                // This Future will never be polled because of the if in select!
+                // It still needs to be present because the branch will be evaluated
+                // so we can't unwrap
+                .unwrap_or(false_recv().boxed());
+
+            let event = tokio::select! {
+                biased;
+                // Quitting
+                _ = self.shutdown.wait() => None,
+                // Receive a connection from EndpointManager
+                conn = self.connection_rx.recv() => Some(Event::ConnectionReceived(conn)),
+                // Receive remote message when we have a connection
+                msg = maybe_conn_rx, if have_connection => Some(Event::RemoteMessageReceived(msg)),
+                // Receive a message from local Actions
+                msg = self.message_rx.recv() => Some(Event::LocalMessageReceived(msg)),
+            };
+
+            match event {
+                Some(event) => {
+                    self.handle_event(event).await;
+                    self.send_queue_messages().await;
+                    self.drop_timeout_messages().await;
+                }
+                None => break,
+            }
+        }
+    }
+
+    async fn handle_event(&mut self, event: Event) {
+        match event {
+            Event::ConnectionReceived(connection) => {
+                self.handle_connection(connection).await;
+            }
+            Event::LocalMessageReceived(utc_line) => {
+                self.handle_local_message(utc_line).await;
+            }
+            Event::RemoteMessageReceived(message) => {
+                self.handle_remote_message(message).await;
+            }
+        }
+    }
+
+    async fn send_queue_messages(&mut self) {
+        while let Some(connection) = &mut self.connection
+            && let Some((time, line)) = self
+                .message_queue
+                .first_key_value()
+                .map(|(k, v)| (k.clone(), v.clone()))
+        {
+            if let Err(err) = connection.send_line(&line, &time).await {
+                eprintln!(
+                    "INFO cluster {}: connection with node {} failed: {err}",
+                    self.cluster_name, self.node_id,
+                );
+                self.close_connection(CLOSE_SEND).await;
+            } else {
+                self.message_queue.remove(&time).await;
+                eprintln!(
+                    "DEBUG cluster {}: node {}: sent a local message to remote: {}",
+                    self.cluster_name, self.node_id, line
+                );
+            }
+        }
+    }
+
+    async fn drop_timeout_messages(&mut self) {
+        let now = now();
+        let mut count = 0;
+        loop {
+            // We have a next key and it reached timeout
+            if let Some(next_key) = self.message_queue.first_key_value().map(|kv| kv.0.clone())
+                && next_key + self.message_timeout < now
+            {
+                self.message_queue.remove(&next_key).await;
+                count += 1;
+            } else {
+                break;
+            }
+        }
+        if count > 0 {
+            eprintln!(
+                "DEBUG cluster {}: node {}: dropping {count} messages that reached timeout",
+                self.cluster_name, self.node_id,
+            )
+        }
+    }
+
+    /// Bootstrap a new Connection
+    /// Returns true if we have a valid connection now
+    async fn handle_connection(&mut self, connection: Option<ConnOrConn>) {
+        match connection {
+            None => {
+                eprintln!(
+                    "DEBUG cluster {}: ConnectionManager {}: quitting because EndpointManager has quit",
+                    self.cluster_name, self.node_id,
+                );
+                self.quit();
+            }
+            Some(connection) => {
+                if let Some(cancel) = self.cancel_ask_connection.take() {
+                    let _ = cancel.send(()).await;
+                }
+
+                let last_connection_id = self.last_connection_id;
+                let mut insert_connection = |own_connection: OwnConnection| {
+                    if self
+                        .connection
+                        .as_ref()
+                        .is_none_or(|old_own| old_own.id < own_connection.id)
+                    {
+                        self.last_connection_id = own_connection.id;
+                        self.connection = Some(own_connection);
+                    } else {
+                        eprintln!(
+                            "WARN cluster {}: node {}: ignoring incoming connection, as we already have a valid connection with it and our connection id is greater",
+                            self.cluster_name, self.node_id,
+                        );
+                    }
+                };
+
+                match connection {
+                    ConnOrConn::Connection(connection) => {
+                        match open_channels(
+                            connection,
+                            last_connection_id,
+                            &self.cluster_name,
+                            &self.node_id,
+                        )
+                        .await
+                        {
+                            Ok(own_connection) => insert_connection(own_connection),
+                            Err(err) => {
+                                eprintln!(
+                                    "ERROR cluster {}: trying to initialize connection to node {}: {err}",
+                                    self.cluster_name, self.node_id,
+                                );
+                                if self.connection.is_none() {
+                                    self.ask_connection();
+                                }
+                            }
+                        }
+                    }
+                    ConnOrConn::OwnConnection(own_connection) => insert_connection(own_connection),
+                }
+            }
+        }
+    }
+
+    async fn handle_remote_message(&mut self, message: MaybeRemoteLine) {
+        match message {
+            Err(err) => {
+                eprintln!(
+                    "WARN cluster {}: node {}: connection {}: error receiving remote message: {err}",
+                    self.cluster_name, self.node_id, self.last_connection_id
+                );
+                self.close_connection(CLOSE_RECV).await;
+            }
+            Ok(None) => {
+                eprintln!(
+                    "WARN cluster {}: node {} closed its stream",
+                    self.cluster_name, self.node_id,
+                );
+                self.close_connection(CLOSE_CLOSED).await;
+            }
+            Ok(Some(line)) => {
+                if let Err(err) = self
+                    .own_cluster_tx
+                    .send((line.0.clone(), line.1.into()))
+                    .await
+                {
+                    eprintln!(
+                        "ERROR cluster {}: could not send message to reaction stream: {err}",
+                        self.cluster_name
+                    );
+                    eprintln!(
+                        "INFO cluster {}: line that can't be sent: {}",
+                        self.cluster_name, line.0
+                    );
+                    self.quit();
+                } else {
+                    eprintln!(
+                        "DEBUG cluster {}: node {}: sent a remote message to local stream: {}",
+                        self.cluster_name, self.node_id, line.0
+                    );
+                }
+            }
+        }
+    }
+
+    async fn handle_local_message(&mut self, message: Option<UtcLine>) {
+        eprintln!(
+            "DEBUG cluster {}: node {}: received a local message",
+            self.cluster_name, self.node_id,
+        );
+        match message {
+            None => {
+                eprintln!(
+                    "INFO cluster {}: no action remaining, quitting",
+                    self.cluster_name
+                );
+                self.quit();
+            }
+            Some(message) => match &mut self.connection {
+                Some(connection) => {
+                    if let Err(err) = connection.send_line(&message.0, &message.1).await {
+                        eprintln!(
+                            "INFO cluster {}: connection with node {} failed: {err}",
+                            self.cluster_name, self.node_id,
+                        );
+                        self.message_queue.insert(message.1, message.0).await;
+                        self.close_connection(CLOSE_SEND).await;
+                    } else {
+                        eprintln!(
+                            "DEBUG cluster {}: node {}: sent a local message to remote: {}",
+                            self.cluster_name, self.node_id, message.0
+                        );
+                    }
+                }
+                None => {
+                    eprintln!(
+                        "DEBUG cluster {}: node {}: no connection, saving local message to send later: {}",
+                        self.cluster_name, self.node_id, message.0
+                    );
+                    self.message_queue.insert(message.1, message.0).await;
+                }
+            },
+        }
+    }
+
+    async fn close_connection(&mut self, code: (u32, &[u8])) {
+        if let Some(connection) = self.connection.take() {
+            connection
+                .connection
+                .close(VarInt::from_u32(code.0), code.1);
+        }
+        self.ask_connection();
+    }
+
+    fn ask_connection(&mut self) {
+        // if self.node_id.starts_with('H') {
+        let (tx, rx) = mpsc::channel(1);
+        self.cancel_ask_connection = Some(tx);
+        try_connect(
+            self.cluster_name.clone(),
+            self.remote.clone(),
+            self.endpoint.clone(),
+            self.last_connection_id,
+            self.connection_tx.clone(),
+            rx,
+        );
+    }
+
+    fn quit(&mut self) {
+        self.shutdown.ask_shutdown();
+    }
+}
+
+/// Open accept one stream and create one stream.
+/// This way, there is no need to know if we created or accepted the connection.
+async fn open_channels(
+    connection: Connection,
+    last_connexion_id: u64,
+    cluster_name: &str,
+    node_id: &str,
+) -> Result<OwnConnection, IoError> {
+    eprintln!(
+        "DEBUG cluster {}: node {}: opening uni channel",
+        cluster_name, node_id
+    );
+    let mut output = BufWriter::new(connection.open_uni().await?);
+
+    let our_id = random_range(last_connexion_id + 1..last_connexion_id + 1_000_000);
+
+    eprintln!(
+        "DEBUG cluster {}: node {}: sending handshake in uni channel",
+        cluster_name, node_id
+    );
+    output.write_u32(PROTOCOL_VERSION).await?;
+    output.write_u64(our_id).await?;
+    output.flush().await?;
+
+    eprintln!(
+        "DEBUG cluster {}: node {}: accepting uni channel",
+        cluster_name, node_id
+    );
+    let mut input = BufReader::new(connection.accept_uni().await?);
+
+    eprintln!(
+        "DEBUG cluster {}: node {}: reading handshake from uni channel",
+        cluster_name, node_id
+    );
+    let their_version = input.read_u32().await?;
+
+    if their_version != PROTOCOL_VERSION {
+        return Err(IoError::new(
+            std::io::ErrorKind::InvalidData,
+            format!(
+                "incompatible version: {their_version}. We use {PROTOCOL_VERSION}. Consider upgrading the node with the older version."
+            ),
+        ));
+    }
+
+    let their_id = input.read_u64().await?;
+    // FIXME Do we need to test this? If so, this function should return their_id even when error in order to retry better next time
+    // if their_id < last_connexion_id
+    // ERROR
+    // else
+    let chosen_id = max(our_id, their_id);
+    eprintln!(
+        "DEBUG cluster {}: node {}: version handshake complete: last id: {last_connexion_id}, our id: {our_id}, their id: {their_id}: chosen id: {chosen_id}",
+        cluster_name, node_id
+    );
+    Ok(OwnConnection::new(connection, chosen_id, output, input))
+}
+
+async fn false_recv() -> MaybeRemoteLine {
+    Ok(None)
+}
+
+const START_TIMEOUT: Duration = Duration::from_millis(500);
+const MAX_TIMEOUT: Duration = Duration::from_hours(1);
+const TIMEOUT_FACTOR: f64 = 1.5;
+
+fn with_random(d: Duration) -> Duration {
+    let max_delta = d.as_micros() as f32 * 0.2;
+    d + Duration::from_micros(rand::random_range(0.0..max_delta) as u64)
+}
+
+// Compute the next wait Duration.
+// We're multiplying the Duration by [`TIMEOUT_FACTOR`] and cap it to [`MAX_TIMEOUT`].
+fn next_delta(delta: Option<Duration>) -> Duration {
+    with_random(match delta {
+        None => START_TIMEOUT,
+        Some(delta) => {
+            // Multiply timeout by TIMEOUT_FACTOR
+            let delta = Duration::from_millis(((delta.as_millis() as f64) * TIMEOUT_FACTOR) as u64);
+            // Cap to MAX_TIMEOUT
+            if delta > MAX_TIMEOUT {
+                MAX_TIMEOUT
+            } else {
+                delta
+            }
+        }
+    })
+}
+
+#[cfg(test)]
+#[test]
+fn test_with_random() {
+    for d in [
+        123, 1234, 12345, 123456, 1234567, 12345678, 123456789, 1234567890,
+    ] {
+        let rd = with_random(Duration::from_micros(d)).as_micros();
+        assert!(rd as f32 >= d as f32, "{rd} < {d}");
+        assert!(rd as f32 <= (d + 1) as f32 * 1.2, "{rd} > {d} * 1.2");
+    }
+}
+
+fn try_connect(
+    cluster_name: String,
+    remote: EndpointAddr,
+    endpoint: Arc<Endpoint>,
+    last_connection_id: u64,
+    connection_tx: mpsc::Sender<ConnOrConn>,
+    mut order_stop: mpsc::Receiver<()>,
+) {
+    tokio::spawn(async move {
+        let node_id = remote.id.show();
+        // Until we have a connection or we're requested to stop
+        let mut keep_trying = true;
+        let mut delta = None;
+
+        while keep_trying {
+            delta = Some(next_delta(delta));
+
+            keep_trying = tokio::select! {
+                _ = sleep(delta.unwrap_or_default()) => true,
+                _ = order_stop.recv() => false,
+            };
+            if keep_trying {
+                eprintln!("DEBUG cluster {cluster_name}: node {node_id}: trying to connect...");
+                let connect = tokio::select! {
+                    // conn = endpoint.connect(remote.clone(), ALPN[0]) => Some(conn),
+                    conn = endpoint.connect_with_opts(remote.clone(), ALPN[0], connect_config()) => Some(conn),
+                    _ = order_stop.recv() => None,
+                };
+                if let Some(connect) = connect {
+                    let res = match connect {
+                        Ok(connecting) => match connecting.await {
+                            Ok(connection) => {
+                                eprintln!(
+                                    "DEBUG cluster {cluster_name}: node {node_id}: created connection"
+                                );
+                                match open_channels(
+                                    connection,
+                                    last_connection_id,
+                                    &cluster_name,
+                                    &node_id,
+                                )
+                                .await
+                                {
+                                    Ok(own_connection) => {
+                                        if let Err(err) = connection_tx
+                                            .send(ConnOrConn::OwnConnection(own_connection))
+                                            .await
+                                        {
+                                            eprintln!(
+                                                "DEBUG cluster {cluster_name}: node {node_id}: quitting because ConnectionManager has quit: {err}"
+                                            );
+                                        }
+                                        // successfully opened connection
+                                        keep_trying = false;
+                                        Ok(())
+                                    }
+                                    Err(err) => Err(err.to_string()),
+                                }
+                            }
+                            Err(err) => Err(err.to_string()),
+                        },
+                        Err(err) => Err(err.to_string()),
+                    };
+                    if let Err(err) = res {
+                        eprintln!(
+                            "WARN cluster {cluster_name}: node {node_id}: while trying to connect: {err}"
+                        );
+                    }
+                } else {
+                    // received stop order
+                    eprintln!(
+                        "DEBUG cluster {cluster_name}: node {node_id}: stop to try connecting to node be cause we received a connection from it"
+                    );
+                    keep_trying = false;
+                }
+            }
+        }
+    });
+}
diff --git a/plugins/reaction-plugin-cluster/src/endpoint.rs b/plugins/reaction-plugin-cluster/src/endpoint.rs
new file mode 100644
index 0000000..b90c6b3
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/endpoint.rs
@@ -0,0 +1,128 @@
+use std::collections::BTreeMap;
+use std::sync::Arc;
+
+use iroh::{Endpoint, PublicKey, endpoint::Incoming};
+use reaction_plugin::shutdown::ShutdownController;
+use tokio::sync::mpsc;
+
+use crate::{connection::ConnOrConn, key::Show};
+
+enum Break {
+    Yes,
+    No,
+}
+
+pub struct EndpointManager {
+    /// The [`iroh::Endpoint`] to manage
+    endpoint: Arc<Endpoint>,
+    /// Cluster's name (for logging)
+    cluster_name: String,
+    /// Connection sender to the Connection Managers
+    connections_tx: BTreeMap<PublicKey, mpsc::Sender<ConnOrConn>>,
+    /// shutdown
+    shutdown: ShutdownController,
+}
+
+impl EndpointManager {
+    pub fn new(
+        endpoint: Arc<Endpoint>,
+        cluster_name: String,
+        connections_tx: BTreeMap<PublicKey, mpsc::Sender<ConnOrConn>>,
+        shutdown: ShutdownController,
+    ) {
+        tokio::spawn(async move {
+            Self {
+                endpoint,
+                cluster_name,
+                connections_tx,
+                shutdown,
+            }
+            .task()
+            .await
+        });
+    }
+
+    async fn task(&mut self) {
+        loop {
+            // Uncomment this line and comment the select! for faster development in this function
+            // let event = Event::TryConnect(self.endpoint_addr_rx.recv().await);
+            let incoming = tokio::select! {
+                incoming = self.endpoint.accept() => incoming,
+                _ = self.shutdown.wait() => None,
+            };
+
+            match incoming {
+                Some(incoming) => {
+                    if let Break::Yes = self.handle_incoming(incoming).await {
+                        break;
+                    }
+                }
+                None => break,
+            }
+        }
+
+        self.endpoint.close().await
+    }
+
+    async fn handle_incoming(&mut self, incoming: Incoming) -> Break {
+        eprintln!(
+            "DEBUG cluster {}: EndpointManager: receiving connection",
+            self.cluster_name,
+        );
+        // FIXME a malicious actor could maybe prevent a node from connecting to
+        // its cluster by sending lots of invalid slow connection requests?
+        // This function could be moved to a new 'oneshot' task instead
+        let remote_address = incoming.remote_address();
+        let remote_address_validated = incoming.remote_address_validated();
+        let connection = match incoming.await {
+            Ok(connection) => connection,
+            Err(err) => {
+                if remote_address_validated {
+                    eprintln!("INFO refused connection from {}: {err}", remote_address)
+                } else {
+                    eprintln!("INFO refused connection: {err}")
+                }
+                return Break::No;
+            }
+        };
+
+        let remote_id = connection.remote_id();
+
+        match self.connections_tx.get(&remote_id) {
+            None => {
+                eprintln!(
+                    "WARN cluster {}: incoming connection from node '{}', ip: {} is not in our list, refusing incoming connection.",
+                    self.cluster_name,
+                    remote_id.show(),
+                    remote_address
+                );
+                eprintln!(
+                    "INFO cluster {}: {}, {}",
+                    self.cluster_name,
+                    "maybe it's not from our cluster,",
+                    "maybe this node's configuration has not yet been updated to add this new node."
+                );
+                return Break::No;
+            }
+            Some(tx) => {
+                if let Err(_) = tx.send(ConnOrConn::Connection(connection)).await {
+                    eprintln!(
+                        "DEBUG cluster {}: EndpointManager: quitting because ConnectionManager has quit",
+                        self.cluster_name,
+                    );
+                    self.shutdown.ask_shutdown();
+                    return Break::Yes;
+                }
+                eprintln!(
+                    "DEBUG cluster {}: EndpointManager: receiving connection from {}",
+                    self.cluster_name,
+                    remote_id.show(),
+                );
+            }
+        }
+
+        // TODO persist the incoming address, so that we don't forget this address
+
+        Break::No
+    }
+}
diff --git a/plugins/reaction-plugin-cluster/src/key.rs b/plugins/reaction-plugin-cluster/src/key.rs
new file mode 100644
index 0000000..41b8c11
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/key.rs
@@ -0,0 +1,188 @@
+use std::io;
+
+use data_encoding::DecodeError;
+use iroh::{PublicKey, SecretKey};
+use tokio::{
+    fs::{self, File},
+    io::AsyncWriteExt,
+};
+
+pub fn secret_key_path(dir: &str, cluster_name: &str) -> String {
+    format!("{dir}/secret_key_{cluster_name}.txt")
+}
+
+pub async fn secret_key(dir: &str, cluster_name: &str) -> Result<SecretKey, String> {
+    let path = secret_key_path(dir, cluster_name);
+    if let Some(key) = get_secret_key(&path).await? {
+        Ok(key)
+    } else {
+        let key = SecretKey::generate(&mut rand::rng());
+        set_secret_key(&path, &key).await?;
+        Ok(key)
+    }
+}
+
+async fn get_secret_key(path: &str) -> Result<Option<SecretKey>, String> {
+    let key = match fs::read_to_string(path).await {
+        Ok(key) => Ok(key),
+        Err(err) => match err.kind() {
+            io::ErrorKind::NotFound => return Ok(None),
+            _ => Err(format!("can't read secret key file: {err}")),
+        },
+    }?;
+    let bytes = match key_b64_to_bytes(&key) {
+        Ok(key) => Ok(key),
+        Err(err) => Err(format!(
+            "invalid secret key read from file: {err}. Please remove the `{path}` file from plugin directory.",
+        )),
+    }?;
+    Ok(Some(SecretKey::from_bytes(&bytes)))
+}
+
+async fn set_secret_key(path: &str, key: &SecretKey) -> Result<(), String> {
+    let secret_key = key.show();
+    File::options()
+        .mode(0o600)
+        .write(true)
+        .create(true)
+        .open(path)
+        .await
+        .map_err(|err| format!("can't open `{path}` in plugin directory: {err}"))?
+        .write_all(secret_key.as_bytes())
+        .await
+        .map_err(|err| format!("can't write to `{path}` in plugin directory: {err}"))
+}
+
+pub fn key_b64_to_bytes(key: &str) -> Result<[u8; 32], DecodeError> {
+    let vec = data_encoding::BASE64URL.decode(key.as_bytes())?;
+    if vec.len() != 32 {
+        return Err(DecodeError {
+            position: vec.len(),
+            kind: data_encoding::DecodeKind::Length,
+        });
+    }
+    let mut bytes = [0u8; 32];
+    for i in 0..32 {
+        bytes[i] = vec[i];
+    }
+    Ok(bytes)
+}
+
+pub fn key_bytes_to_b64(key: &[u8; 32]) -> String {
+    data_encoding::BASE64URL.encode(key)
+}
+
+/// Implemented by PublicKey & SecretKey to display keys as base64 instead of hexadecimal.
+/// Similar to Display/ToString
+pub trait Show {
+    fn show(&self) -> String;
+}
+
+impl Show for PublicKey {
+    fn show(&self) -> String {
+        key_bytes_to_b64(self.as_bytes())
+    }
+}
+
+impl Show for SecretKey {
+    fn show(&self) -> String {
+        key_bytes_to_b64(&self.to_bytes())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use assert_fs::{
+        TempDir,
+        prelude::{FileWriteStr, PathChild},
+    };
+    use iroh::{PublicKey, SecretKey};
+    use tokio::fs::read_to_string;
+
+    use crate::key::{
+        get_secret_key, key_b64_to_bytes, key_bytes_to_b64, secret_key_path, set_secret_key,
+    };
+
+    #[test]
+    fn secret_key_encode_decode() {
+        for (secret_key, public_key) in [
+            (
+                "g7U1LPq2cgGSyk6CH_v1QpoXowSFKVQ8IcFljd_ZKGw=",
+                "HhVh7ghqpXM9375HZ82OOeB504HBSS25wgug-1vUggY=",
+            ),
+            (
+                "5EgRjwIpqd60IXWCGg5dFTtxkI-0fS1PlhoIhUjh1eY=",
+                "LPSQ9pS7m_5vvNC-fhoBNeL2-eS2Fd6aO4ImSnXp3lc=",
+            ),
+        ] {
+            assert_eq!(
+                secret_key,
+                &key_bytes_to_b64(&key_b64_to_bytes(secret_key).unwrap())
+            );
+            assert_eq!(
+                public_key,
+                &key_bytes_to_b64(&key_b64_to_bytes(public_key).unwrap())
+            );
+
+            let secret_key_parsed = SecretKey::from_bytes(&key_b64_to_bytes(secret_key).unwrap());
+            let public_key_parsed =
+                PublicKey::from_bytes(&key_b64_to_bytes(public_key).unwrap()).unwrap();
+
+            assert_eq!(secret_key_parsed.public(), public_key_parsed);
+        }
+    }
+
+    #[tokio::test]
+    async fn secret_key_get() {
+        let tmp_dir = TempDir::new().unwrap();
+        let tmp_dir_str = tmp_dir.to_str().unwrap();
+        for (secret_key, cluster_name) in [
+            ("g7U1LPq2cgGSyk6CH_v1QpoXowSFKVQ8IcFljd_ZKGw=", "my_cluster"),
+            ("5EgRjwIpqd60IXWCGg5dFTtxkI-0fS1PlhoIhUjh1eY=", "name"),
+        ] {
+            tmp_dir
+                .child(&format!("secret_key_{cluster_name}.txt"))
+                .write_str(secret_key)
+                .unwrap();
+
+            let secret_key_parsed = SecretKey::from_bytes(&key_b64_to_bytes(secret_key).unwrap());
+
+            let path = secret_key_path(tmp_dir_str, cluster_name);
+            let secret_key_from_file = get_secret_key(&path).await.unwrap();
+
+            assert_eq!(
+                secret_key_parsed.to_bytes(),
+                secret_key_from_file.unwrap().to_bytes()
+            )
+        }
+
+        assert_eq!(
+            Ok(None),
+            get_secret_key(&format!("{tmp_dir_str}/non_existent"))
+                .await
+                // Can't compare secret keys so we map to bytes
+                // even if we don't want one
+                .map(|opt| opt.map(|pk| pk.to_bytes()))
+        );
+        // Will fail if we're root, but who runs this as root??
+        assert!(
+            get_secret_key(&format!("/root/non_existent"))
+                .await
+                .is_err()
+        );
+    }
+
+    #[tokio::test]
+    async fn secret_key_set() {
+        let tmp_dir = TempDir::new().unwrap();
+        let tmp_dir_str = tmp_dir.to_str().unwrap();
+
+        let path = format!("{tmp_dir_str}/secret");
+        let key = SecretKey::generate(&mut rand::rng());
+
+        assert!(set_secret_key(&path, &key).await.is_ok());
+        let read_file = read_to_string(&path).await;
+        assert!(read_file.is_ok());
+        assert_eq!(read_file.unwrap(), key_bytes_to_b64(&key.to_bytes()));
+    }
+}
diff --git a/plugins/reaction-plugin-cluster/src/main.rs b/plugins/reaction-plugin-cluster/src/main.rs
new file mode 100644
index 0000000..d0269e5
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/main.rs
@@ -0,0 +1,273 @@
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    net::{Ipv4Addr, Ipv6Addr, SocketAddr},
+    path::PathBuf,
+    time::Duration,
+};
+
+use iroh::{EndpointAddr, PublicKey, SecretKey, TransportAddr};
+use reaction_plugin::{
+    ActionConfig, ActionImpl, Exec, Hello, Line, Manifest, PluginInfo, RemoteResult, StreamConfig,
+    StreamImpl, line::PatternLine, main_loop, shutdown::ShutdownController, time::parse_duration,
+};
+use remoc::{rch::mpsc, rtc};
+use serde::{Deserialize, Serialize};
+use treedb::Database;
+
+use crate::key::Show;
+
+mod cluster;
+mod connection;
+mod endpoint;
+mod key;
+
+#[cfg(test)]
+mod tests;
+
+#[tokio::main]
+async fn main() {
+    let plugin = Plugin::default();
+    main_loop(plugin).await;
+}
+
+#[derive(Default)]
+struct Plugin {
+    init: BTreeMap<String, (StreamInit, Vec<ActionInit>)>,
+    cluster_shutdown: ShutdownController,
+}
+
+/// Stream options as defined by the user
+#[derive(Serialize, Deserialize)]
+struct StreamOptions {
+    /// The UDP port to open
+    listen_port: u16,
+    /// The IPv4 to bind to. Defaults to 0.0.0.0.
+    /// Set to `null` to use IPv6 only.
+    #[serde(default = "ipv4_unspecified")]
+    bind_ipv4: Option<Ipv4Addr>,
+    /// The IPv6 to bind to. Defaults to 0.0.0.0.
+    /// Set to `null` to use IPv4 only.
+    #[serde(default = "ipv6_unspecified")]
+    bind_ipv6: Option<Ipv6Addr>,
+    /// Other nodes which are part of the cluster.
+    nodes: Vec<NodeOption>,
+    /// Max duration before we drop pending messages to a node we can't connect to.
+    message_timeout: String,
+}
+
+fn ipv4_unspecified() -> Option<Ipv4Addr> {
+    Some(Ipv4Addr::UNSPECIFIED)
+}
+fn ipv6_unspecified() -> Option<Ipv6Addr> {
+    Some(Ipv6Addr::UNSPECIFIED)
+}
+
+#[derive(Serialize, Deserialize)]
+struct NodeOption {
+    public_key: String,
+    #[serde(default)]
+    addresses: Vec<SocketAddr>,
+}
+
+/// Stream information before start
+struct StreamInit {
+    name: String,
+    listen_port: u16,
+    bind_ipv4: Option<Ipv4Addr>,
+    bind_ipv6: Option<Ipv6Addr>,
+    secret_key: SecretKey,
+    message_timeout: Duration,
+    nodes: BTreeMap<PublicKey, EndpointAddr>,
+    tx: mpsc::Sender<Line>,
+}
+
+#[derive(Serialize, Deserialize)]
+struct ActionOptions {
+    /// The line to send to the corresponding cluster, example: "ban \<ip\>"
+    send: String,
+    /// The name of the corresponding cluster, example: "my_cluster_stream"
+    to: String,
+    /// Whether the stream of this node also receives the line
+    #[serde(default, rename = "self")]
+    self_: bool,
+}
+
+struct ActionInit {
+    name: String,
+    send: PatternLine,
+    self_: bool,
+    rx: mpsc::Receiver<Exec>,
+}
+
+impl PluginInfo for Plugin {
+    async fn manifest(&mut self) -> Result<Manifest, rtc::CallError> {
+        Ok(Manifest {
+            hello: Hello::new(),
+            streams: BTreeSet::from(["cluster".into()]),
+            actions: BTreeSet::from(["cluster_send".into()]),
+        })
+    }
+    async fn load_config(
+        &mut self,
+        streams: Vec<StreamConfig>,
+        actions: Vec<ActionConfig>,
+    ) -> RemoteResult<(Vec<StreamImpl>, Vec<ActionImpl>)> {
+        let mut ret_streams = Vec::with_capacity(streams.len());
+        let mut ret_actions = Vec::with_capacity(actions.len());
+
+        for StreamConfig {
+            stream_name,
+            stream_type,
+            config,
+        } in streams
+        {
+            if &stream_type != "cluster" {
+                return Err("This plugin can't handle other stream types than cluster".into());
+            }
+
+            let options: StreamOptions = serde_json::from_value(config.into())
+                .map_err(|err| format!("invalid options: {err}"))?;
+
+            let mut nodes = BTreeMap::default();
+
+            let message_timeout = parse_duration(&options.message_timeout)
+                .map_err(|err| format!("invalid message_timeout: {err}"))?;
+
+            if options.bind_ipv4.is_none() && options.bind_ipv6.is_none() {
+                Err(
+                    "At least one of bind_ipv4 and bind_ipv6 must be enabled. Unset at least one of them or set at least one of them to an IP.",
+                )?;
+            }
+
+            if options.nodes.is_empty() {
+                Err("At least one remote node has to be configured for a cluster")?;
+            }
+
+            for node in options.nodes.into_iter() {
+                let bytes = key::key_b64_to_bytes(&node.public_key)
+                    .map_err(|err| format!("invalid public key {}: {err}", node.public_key))?;
+
+                let public_key = PublicKey::from_bytes(&bytes)
+                    .map_err(|err| format!("invalid public key {}: {err}", node.public_key))?;
+
+                nodes.insert(
+                    public_key,
+                    EndpointAddr {
+                        id: public_key,
+                        addrs: node
+                            .addresses
+                            .into_iter()
+                            .map(|addr| TransportAddr::Ip(addr))
+                            .collect(),
+                    },
+                );
+            }
+
+            let secret_key = key::secret_key(".", &stream_name).await?;
+            eprintln!(
+                "INFO public key of this node for cluster {stream_name}: {}",
+                secret_key.public().show()
+            );
+
+            let (tx, rx) = mpsc::channel(1);
+
+            let stream = StreamInit {
+                name: stream_name.clone(),
+                listen_port: options.listen_port,
+                bind_ipv4: options.bind_ipv4,
+                bind_ipv6: options.bind_ipv6,
+                secret_key,
+                message_timeout,
+                nodes,
+                tx,
+            };
+
+            if let Some(_) = self.init.insert(stream_name, (stream, vec![])) {
+                return Err("this virtual stream has already been initialized".into());
+            }
+
+            ret_streams.push(StreamImpl {
+                stream: rx,
+                standalone: true,
+            })
+        }
+
+        for ActionConfig {
+            stream_name,
+            filter_name,
+            action_name,
+            action_type,
+            config,
+            patterns,
+        } in actions
+        {
+            if &action_type != "cluster_send" {
+                return Err(
+                    "This plugin can't handle other action types than 'cluster_send'".into(),
+                );
+            }
+
+            let options: ActionOptions = serde_json::from_value(config.into())
+                .map_err(|err| format!("invalid options: {err}"))?;
+
+            let (tx, rx) = mpsc::channel(1);
+
+            let init_action = ActionInit {
+                name: format!("{}.{}.{}", stream_name, filter_name, action_name),
+                send: PatternLine::new(options.send, patterns),
+                self_: options.self_,
+                rx,
+            };
+
+            match self.init.get_mut(&options.to) {
+                Some((_, actions)) => actions.push(init_action),
+                None => {
+                    return Err(format!(
+                        "ERROR action '{}' sends 'to' unknown stream '{}'",
+                        init_action.name, options.to
+                    )
+                    .into());
+                }
+            }
+
+            ret_actions.push(ActionImpl { tx })
+        }
+
+        Ok((ret_streams, ret_actions))
+    }
+
+    async fn start(&mut self) -> RemoteResult<()> {
+        self.cluster_shutdown.delegate().handle_quit_signals()?;
+
+        let mut db = {
+            let path = PathBuf::from(".");
+            let (cancellation_token, task_tracker_token) = self.cluster_shutdown.token().split();
+            Database::open(&path, cancellation_token, task_tracker_token)
+                .await
+                .map_err(|err| format!("Can't open database: {err}"))?
+        };
+
+        while let Some((_, (stream, actions))) = self.init.pop_first() {
+            let endpoint = cluster::bind(&stream).await?;
+            cluster::cluster_tasks(
+                endpoint,
+                stream,
+                actions,
+                &mut db,
+                self.cluster_shutdown.clone(),
+            )
+            .await?;
+        }
+        // Free containers
+        self.init = Default::default();
+        eprintln!("DEBUG started");
+
+        Ok(())
+    }
+
+    async fn close(self) -> RemoteResult<()> {
+        self.cluster_shutdown.ask_shutdown();
+        self.cluster_shutdown.wait_all_task_shutdown().await;
+        Ok(())
+    }
+}
diff --git a/plugins/reaction-plugin-cluster/src/tests/conf.rs b/plugins/reaction-plugin-cluster/src/tests/conf.rs
new file mode 100644
index 0000000..2da4974
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/tests/conf.rs
@@ -0,0 +1,293 @@
+use std::env::set_current_dir;
+
+use assert_fs::TempDir;
+use reaction_plugin::{ActionConfig, PluginInfo, StreamConfig};
+use serde_json::json;
+
+use crate::{Plugin, tests::insert_secret_key};
+
+use super::{PUBLIC_KEY_A, TEST_MUTEX, stream_ok};
+
+#[tokio::test]
+async fn conf_stream() {
+    // Minimal node configuration
+    let nodes = json!([{
+        "public_key": PUBLIC_KEY_A,
+    }]);
+
+    // Invalid type
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "clust".into(),
+                    config: stream_ok().into(),
+                }],
+                vec![]
+            )
+            .await
+            .is_err()
+    );
+
+    for (json, is_ok) in [
+        (
+            json!({
+               "listen_port": 2048,
+               "nodes": nodes,
+               "message_timeout": "30m",
+            }),
+            Result::is_ok as fn(&_) -> bool,
+        ),
+        (
+            // invalid time
+            json!({
+               "listen_port": 2048,
+               "nodes": nodes,
+               "message_timeout": "30pv",
+            }),
+            Result::is_err,
+        ),
+        (
+            json!({
+               "listen_port": 2048,
+               "bind_ipv4": "0.0.0.0",
+               "nodes": nodes,
+               "message_timeout": "30m",
+            }),
+            Result::is_ok,
+        ),
+        (
+            json!({
+                   "listen_port": 2048,
+                   "bind_ipv6": "::",
+                   "nodes": nodes,
+                   "message_timeout": "30m",
+            }),
+            Result::is_ok,
+        ),
+        (
+            json!({
+                   "listen_port": 2048,
+                   "bind_ipv4": "0.0.0.0",
+                   "bind_ipv6": "::",
+                   "nodes": nodes,
+                   "message_timeout": "30m",
+            }),
+            Result::is_ok,
+        ),
+        (
+            json!({
+                   "listen_port": 2048,
+                   "bind_ipv4": null,
+                   "nodes": nodes,
+                   "message_timeout": "30m",
+            }),
+            Result::is_ok,
+        ),
+        (
+            json!({
+                   "listen_port": 2048,
+                   "bind_ipv6": null,
+                   "nodes": nodes,
+                   "message_timeout": "30m",
+            }),
+            Result::is_ok,
+        ),
+        (
+            // No bind
+            json!({
+                   "listen_port": 2048,
+                   "bind_ipv4": null,
+                   "bind_ipv6": null,
+                   "nodes": nodes,
+                   "message_timeout": "30m",
+            }),
+            Result::is_err,
+        ),
+        (json!({}), Result::is_err),
+    ] {
+        assert!(is_ok(
+            &Plugin::default()
+                .load_config(
+                    vec![StreamConfig {
+                        stream_name: "stream".into(),
+                        stream_type: "cluster".into(),
+                        config: json.into(),
+                    }],
+                    vec![]
+                )
+                .await
+        ));
+    }
+}
+
+#[tokio::test]
+async fn conf_action() {
+    let patterns = vec!["p1".into(), "p2".into()];
+
+    // Invalid type
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "cluster".into(),
+                    config: stream_ok().into(),
+                }],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "cluster_sen".into(),
+                    config: json!({
+                        "send": "<p1>",
+                        "to": "stream",
+                    })
+                    .into(),
+                    patterns: patterns.clone(),
+                }]
+            )
+            .await
+            .is_err()
+    );
+
+    for (json, is_ok) in [
+        (
+            json!({
+                "send": "<p1>",
+                "to": "stream",
+            }),
+            true,
+        ),
+        (
+            json!({
+                "send": "<p1>",
+                "to": "stream",
+                "self": true,
+            }),
+            true,
+        ),
+        (
+            json!({
+                "send": "<p1>",
+                "to": "stream",
+                "self": false,
+            }),
+            true,
+        ),
+        (
+            // missing to
+            json!({
+                "send": "<p1>",
+            }),
+            false,
+        ),
+        (
+            // missing send
+            json!({
+                "to": "stream",
+            }),
+            false,
+        ),
+        (
+            // invalid self
+            json!({
+                "send": "<p1>",
+                "to": "stream",
+                "self": "true",
+            }),
+            false,
+        ),
+        (
+            // missing conf
+            json!({}),
+            false,
+        ),
+    ] {
+        let ret = Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "cluster".into(),
+                    config: stream_ok().into(),
+                }],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "cluster_send".into(),
+                    config: json.clone().into(),
+                    patterns: patterns.clone(),
+                }],
+            )
+            .await;
+
+        assert!(
+            ret.is_ok() == is_ok,
+            "is_ok: {is_ok}, ret: {:?}, action conf: {json:?}",
+            ret.map(|_| ())
+        );
+    }
+}
+
+#[tokio::test]
+async fn conf_send() {
+    let _lock = TEST_MUTEX.lock();
+    let dir = TempDir::new().unwrap();
+    set_current_dir(&dir).unwrap();
+    insert_secret_key().await;
+
+    // No action is ok
+    let res = Plugin::default()
+        .load_config(
+            vec![StreamConfig {
+                stream_name: "stream".into(),
+                stream_type: "cluster".into(),
+                config: stream_ok().into(),
+            }],
+            vec![],
+        )
+        .await;
+    assert!(res.is_ok(), "{:?}", res.map(|_| ()));
+
+    // An action is ok
+    let res = Plugin::default()
+        .load_config(
+            vec![StreamConfig {
+                stream_name: "stream".into(),
+                stream_type: "cluster".into(),
+                config: stream_ok().into(),
+            }],
+            vec![ActionConfig {
+                stream_name: "stream".into(),
+                filter_name: "filter".into(),
+                action_name: "action".into(),
+                action_type: "cluster_send".into(),
+                config: json!({ "send": "message", "to": "stream" }).into(),
+                patterns: vec![],
+            }],
+        )
+        .await;
+    assert!(res.is_ok(), "{:?}", res.map(|_| ()));
+
+    // Invalid to: option
+    let res = Plugin::default()
+        .load_config(
+            vec![StreamConfig {
+                stream_name: "stream".into(),
+                stream_type: "cluster".into(),
+                config: stream_ok().into(),
+            }],
+            vec![ActionConfig {
+                stream_name: "stream".into(),
+                filter_name: "filter".into(),
+                action_name: "action".into(),
+                action_type: "cluster_send".into(),
+                config: json!({ "send": "message", "to": "stream1" }).into(),
+                patterns: vec![],
+            }],
+        )
+        .await;
+    assert!(res.is_err(), "{:?}", res.map(|_| ()));
+}
diff --git a/plugins/reaction-plugin-cluster/src/tests/e2e.rs b/plugins/reaction-plugin-cluster/src/tests/e2e.rs
new file mode 100644
index 0000000..fbf3a28
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/tests/e2e.rs
@@ -0,0 +1,319 @@
+use std::{env::set_current_dir, time::Duration};
+
+use assert_fs::TempDir;
+use reaction_plugin::{ActionConfig, Exec, PluginInfo, StreamConfig};
+use serde_json::json;
+use tokio::{fs, time::timeout};
+use treedb::time::now;
+
+use crate::{
+    Plugin,
+    key::secret_key_path,
+    tests::{PUBLIC_KEY_A, PUBLIC_KEY_B, SECRET_KEY_A, SECRET_KEY_B, TEST_MUTEX},
+};
+
+#[derive(Clone)]
+struct TestNode {
+    public_key: &'static str,
+    private_key: &'static str,
+    port: u16,
+}
+
+const POOL: [TestNode; 15] = [
+    TestNode {
+        public_key: PUBLIC_KEY_A,
+        private_key: SECRET_KEY_A,
+        port: 2055,
+    },
+    TestNode {
+        public_key: PUBLIC_KEY_B,
+        private_key: SECRET_KEY_B,
+        port: 2056,
+    },
+    TestNode {
+        public_key: "ZjEPlIdGikV_sPIAUzO3RFUidlERJUhJ9XwNAlieuvU=",
+        private_key: "SCbd8Ids3Dg9MwzyMNV1KFcUtsyRbeCp7GDmu-xXBSs=",
+        port: 2057,
+    },
+    TestNode {
+        public_key: "2FUpABLl9I6bU9a2XtWKMLDzwHfrVcNEG6K8Ix6sxWQ=",
+        private_key: "F0W8nIlVmuFVpelwYH4PDaBDM0COYOyXDmBEmnHyo5s=",
+        port: 2058,
+    },
+    TestNode {
+        public_key: "qR4JDI_yyPWUBrmBbQjqfFbGP14v9dEaQVPHPOjId1o=",
+        private_key: "S5pxTafNXPd_9TMT4_ERuPXlZ882UmggAHrf8Yntfqg=",
+        port: 2059,
+    },
+    TestNode {
+        public_key: "NjkPBwDO4IEOBjkcxufYtVXspJNQZ0qF6GamRq2TOB4=",
+        private_key: "zM_lXiFuwTkmPuuXqIghW_J0uwq0a53L_yhM57uy_R8=",
+        port: 2060,
+    },
+    TestNode {
+        public_key: "_mgTzrlE8b_zvka3LgfD5qH2h_d3S0hcDU1WzIL6C74=",
+        private_key: "6Obq7fxOXK-u-P3QB5FJvNnwXdKwP1FsVJ0555o7DXs=",
+        port: 2061,
+    },
+    TestNode {
+        public_key: "FLKxCSSjjzxH0ZWTpQ8xXcSIRutXUhIDhZimjamxO2s=",
+        private_key: "pBPcJ32bt4xGZIGZDLDtj0eedg7p5DENjAwA-wM-1vk=",
+        port: 2062,
+    },
+    TestNode {
+        public_key: "yYBWzhzXO4isdPW2SzI-Sv3mcy3dUl6Kl0oFN6YpuzE=",
+        private_key: "nC8F6prLAY9-86EZlfXwpOjQeghlPKf3PtT-zXsJZsA=",
+        port: 2063,
+    },
+    TestNode {
+        public_key: "QLbNxlLEUt0tieD9BX9of663gCm9WjKeqch0BIFJ3CE=",
+        private_key: "JL4bKNHJMaMX_ElnaDHc6Ql74HZbovcswNOrY6fN1sU=",
+        port: 2064,
+    },
+    TestNode {
+        public_key: "2cmAmcaEFW-9val6WMoHSfTW25IxiQHes7Jwy6NqLLc=",
+        private_key: "TCvfDLHLQ5RxfAs7_2Th2u1XF48ygxTLAAsUzVPBn_o=",
+        port: 2065,
+    },
+    TestNode {
+        public_key: "PfKYILyGmu0C6GFUOLw4MSLxN6gtkj0XUdvQW50A2xA=",
+        private_key: "LaQgDWsXpwSQlZZXd8UEllrgpeXw9biSye4zcjLclU0=",
+        port: 2066,
+    },
+    TestNode {
+        public_key: "OQMXwPl90gr-2y-f5qZIZuVG4WEae5cc8JOB39LTNYE=",
+        private_key: "blcigXzk0oeQ8J1jwYFiYHJ-pMiUqbUM4SJBlxA0MiI=",
+        port: 2067,
+    },
+    TestNode {
+        public_key: "DHpkBgnQUfpC7s4-mTfpn1_PN4dzj7hCCMF6GwO3Bus=",
+        private_key: "sw7-2gPOswznF2OJHJdbfyJxdjS-P5O0lie6SdOL_08=",
+        port: 2068,
+    },
+    TestNode {
+        public_key: "odjjaYd6lL1DG8N9AXHW9LGsrKIb5IlW0KZz-rgxfXA=",
+        private_key: "6JU6YHRBM_rJkuQmMaGaio_PZiyzZlTIU0qE8AHPGSE=",
+        port: 2069,
+    },
+];
+
+async fn stream_action(
+    name: &str,
+    index: usize,
+    nodes: &[TestNode],
+) -> (StreamConfig, ActionConfig) {
+    let stream_name = format!("stream_{name}");
+    let this_node = &nodes[index];
+    let other_nodes: Vec<_> = nodes
+        .iter()
+        .filter(|node| node.public_key != this_node.public_key)
+        .map(|node| {
+            json!({
+                "public_key": node.public_key,
+                "addresses": [format!("[::1]:{}", node.port)]
+            })
+        })
+        .collect();
+
+    fs::write(secret_key_path(".", &stream_name), this_node.private_key)
+        .await
+        .unwrap();
+
+    (
+        StreamConfig {
+            stream_name: stream_name.clone(),
+            stream_type: "cluster".into(),
+            config: json!({
+                "message_timeout": "30s",
+                "listen_port": this_node.port,
+                "nodes": other_nodes,
+            })
+            .into(),
+        },
+        ActionConfig {
+            stream_name: "stream".into(),
+            filter_name: "filter".into(),
+            action_name: "action".into(),
+            action_type: "cluster_send".into(),
+            config: json!({
+                "send": format!("from {name}: <test>"),
+                "to": stream_name,
+            })
+            .into(),
+            patterns: vec!["test".into()],
+        },
+    )
+}
+
+#[tokio::test]
+async fn two_nodes_simultaneous_startup() {
+    for separate_plugin in [true /*, false */] {
+        let _lock = TEST_MUTEX.lock();
+        let dir = TempDir::new().unwrap();
+        set_current_dir(&dir).unwrap();
+
+        let ((mut stream_a, action_a), (mut stream_b, action_b)) = if separate_plugin {
+            let mut plugin_a = Plugin::default();
+            let (sa, aa) = stream_action("a", 0, &POOL[0..2]).await;
+            let (mut streams_a, mut actions_a) =
+                plugin_a.load_config(vec![sa], vec![aa]).await.unwrap();
+            plugin_a.start().await.unwrap();
+
+            let mut plugin_b = Plugin::default();
+            let (sb, ab) = stream_action("b", 1, &POOL[0..2]).await;
+            let (mut streams_b, mut actions_b) =
+                plugin_b.load_config(vec![sb], vec![ab]).await.unwrap();
+            plugin_b.start().await.unwrap();
+            (
+                (streams_a.remove(0), actions_a.remove(0)),
+                (streams_b.remove(0), actions_b.remove(0)),
+            )
+        } else {
+            let mut plugin = Plugin::default();
+            let a = stream_action("a", 0, &POOL[0..2]).await;
+            let b = stream_action("b", 1, &POOL[0..2]).await;
+            let (mut streams, mut actions) = plugin
+                .load_config(vec![a.0, b.0], vec![a.1, b.1])
+                .await
+                .unwrap();
+            plugin.start().await.unwrap();
+            (
+                (streams.remove(0), actions.remove(0)),
+                (streams.remove(1), actions.remove(1)),
+            )
+        };
+
+        for m in ["test1", "test2", "test3"] {
+            let time = now().into();
+            for (stream, action, from) in [
+                (&mut stream_b, &action_a, "a"),
+                (&mut stream_a, &action_b, "b"),
+            ] {
+                assert!(
+                    action
+                        .tx
+                        .send(Exec {
+                            match_: vec![m.into()],
+                            time,
+                        })
+                        .await
+                        .is_ok(),
+                    "separate_plugin: {separate_plugin}, message: {m}, from: {from}"
+                );
+
+                let received = timeout(Duration::from_millis(5000), stream.stream.recv()).await;
+
+                assert!(
+                    received.is_ok(),
+                    "separate_plugin: {separate_plugin}, message: {m}, from: {from}, did timeout"
+                );
+                let received = received.unwrap();
+                assert!(
+                    received.is_ok(),
+                    "separate_plugin: {separate_plugin}, message: {m}, from: {from}, remoc receive error"
+                );
+                let received = received.unwrap();
+                assert_eq!(
+                    received,
+                    Some((format!("from {from}: {m}"), time)),
+                    "separate_plugin: {separate_plugin}, message: {m}, from: {from}"
+                );
+            }
+        }
+    }
+}
+
+#[tokio::test]
+async fn n_nodes_simultaneous_startup() {
+    let _lock = TEST_MUTEX.lock();
+
+    // Ports can take some time to be really closed
+    let mut port_delta = 0;
+
+    for n in 3..=POOL.len() {
+        println!("\nNODES: {n}\n");
+        port_delta += n;
+        // for n in 3..=3 {
+        let dir = TempDir::new().unwrap();
+        set_current_dir(&dir).unwrap();
+
+        let mut plugins = Vec::with_capacity(n);
+        let mut streams = Vec::with_capacity(n);
+        let mut actions = Vec::with_capacity(n);
+        for i in 0..n {
+            let mut plugin = Plugin::default();
+            let name = format!("n{i}");
+            let (stream, action) = stream_action(
+                &name,
+                i,
+                &POOL[0..n]
+                    .iter()
+                    .map(|node| node.clone())
+                    .map(|node| TestNode {
+                        port: node.port + port_delta as u16,
+                        ..node
+                    })
+                    .collect::<Vec<_>>()
+                    .as_slice(),
+            )
+            .await;
+            let (mut stream, mut action) = plugin
+                .load_config(vec![stream], vec![action])
+                .await
+                .unwrap();
+            plugin.start().await.unwrap();
+            plugins.push(plugin);
+            streams.push(stream.pop().unwrap());
+            actions.push((action.pop().unwrap(), name));
+        }
+
+        for m in ["test1", "test2", "test3", "test4", "test5"] {
+            let time = now().into();
+            for (i, (action, from)) in actions.iter().enumerate() {
+                assert!(
+                    action
+                        .tx
+                        .send(Exec {
+                            match_: vec![m.into()],
+                            time,
+                        })
+                        .await
+                        .is_ok(),
+                    "n nodes: {n}, n°action{i}, message: {m}, from: {from}"
+                );
+
+                for (j, stream) in streams.iter_mut().enumerate().filter(|(j, _)| *j != i) {
+                    let received = timeout(Duration::from_millis(5000), stream.stream.recv()).await;
+
+                    assert!(
+                        received.is_ok(),
+                        "n nodes: {n}, n°action: {i}, n°stream: {j}, message: {m}, from: {from}, did timeout"
+                    );
+                    let received = received.unwrap();
+                    assert!(
+                        received.is_ok(),
+                        "n nodes: {n}, n°action: {i}, n°stream: {j}, message: {m}, from: {from}, remoc receive error"
+                    );
+                    let received = received.unwrap();
+                    assert_eq!(
+                        received,
+                        Some((format!("from {from}: {m}"), time)),
+                        "n nodes: {n}, n°action: {i}, n°stream: {j}, message: {m}, from: {from}"
+                    );
+                    println!(
+                        "n nodes: {n}, n°action: {i}, n°stream: {j}, message: {m}, from: {from}"
+                    );
+                }
+            }
+        }
+
+        for plugin in plugins {
+            plugin.close().await.unwrap();
+        }
+    }
+}
+
+// TODO test:
+// with inexisting nodes
+// different startup times
+// stopping & restarting a node mid exchange
diff --git a/plugins/reaction-plugin-cluster/src/tests/mod.rs b/plugins/reaction-plugin-cluster/src/tests/mod.rs
new file mode 100644
index 0000000..daa6095
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/tests/mod.rs
@@ -0,0 +1,40 @@
+use std::sync::{LazyLock, Mutex};
+
+use serde_json::json;
+use tokio::fs::write;
+
+mod conf;
+mod e2e;
+mod self_;
+
+const SECRET_KEY_A: &str = "g7U1LPq2cgGSyk6CH_v1QpoXowSFKVQ8IcFljd_ZKGw=";
+const PUBLIC_KEY_A: &str = "HhVh7ghqpXM9375HZ82OOeB504HBSS25wgug-1vUggY=";
+
+const SECRET_KEY_B: &str = "5EgRjwIpqd60IXWCGg5dFTtxkI-0fS1PlhoIhUjh1eY=";
+const PUBLIC_KEY_B: &str = "LPSQ9pS7m_5vvNC-fhoBNeL2-eS2Fd6aO4ImSnXp3lc=";
+
+// Tests that spawn a database in current directory must be run one at a time
+static TEST_MUTEX: LazyLock<Mutex<()>> = LazyLock::new(|| Mutex::new(()));
+
+fn stream_ok_port(port: u16) -> serde_json::Value {
+    json!({
+       "listen_port": port,
+       "nodes": [{
+        "public_key": PUBLIC_KEY_A,
+       }],
+       "message_timeout": "30m",
+    })
+}
+
+fn stream_ok() -> serde_json::Value {
+    stream_ok_port(2048)
+}
+
+async fn insert_secret_key() {
+    write(
+        "./secret_key_stream.txt",
+        b"pBPcJ32bt4xGZIGZDLDtj0eedg7p5DENjAwA-wM-1vk=",
+    )
+    .await
+    .unwrap();
+}
diff --git a/plugins/reaction-plugin-cluster/src/tests/self_.rs b/plugins/reaction-plugin-cluster/src/tests/self_.rs
new file mode 100644
index 0000000..c06d55b
--- /dev/null
+++ b/plugins/reaction-plugin-cluster/src/tests/self_.rs
@@ -0,0 +1,78 @@
+use std::{env::set_current_dir, time::Duration};
+
+use assert_fs::TempDir;
+use reaction_plugin::{ActionConfig, Exec, PluginInfo, StreamConfig};
+use serde_json::json;
+use tokio::time::timeout;
+use treedb::time::now;
+
+use crate::{Plugin, tests::insert_secret_key};
+
+use super::{TEST_MUTEX, stream_ok_port};
+
+#[tokio::test]
+async fn run_with_self() {
+    let _lock = TEST_MUTEX.lock();
+    let dir = TempDir::new().unwrap();
+    set_current_dir(&dir).unwrap();
+    insert_secret_key().await;
+
+    for self_ in [true, false] {
+        let mut plugin = Plugin::default();
+        let (mut streams, mut actions) = plugin
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "cluster".into(),
+                    config: stream_ok_port(2052).into(),
+                }],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "cluster_send".into(),
+                    config: json!({
+                        "send": "message <test>",
+                        "to": "stream",
+                        "self": self_,
+                    })
+                    .into(),
+                    patterns: vec!["test".into()],
+                }],
+            )
+            .await
+            .unwrap();
+
+        let mut stream = streams.pop().unwrap();
+        let action = actions.pop().unwrap();
+        assert!(stream.standalone);
+        assert!(plugin.start().await.is_ok());
+
+        for m in ["test1", "test2", "test3", "  a   a a aa a a"] {
+            let time = now().into();
+            assert!(
+                action
+                    .tx
+                    .send(Exec {
+                        match_: vec![m.into()],
+                        time,
+                    })
+                    .await
+                    .is_ok()
+            );
+            if self_ {
+                assert_eq!(
+                    stream.stream.recv().await.unwrap().unwrap(),
+                    (format!("message {m}"), time),
+                );
+            } else {
+                // Don't receive anything
+                assert!(
+                    timeout(Duration::from_millis(100), stream.stream.recv())
+                        .await
+                        .is_err()
+                );
+            }
+        }
+    }
+}
diff --git a/plugins/reaction-plugin-ipset/Cargo.toml b/plugins/reaction-plugin-ipset/Cargo.toml
new file mode 100644
index 0000000..b709176
--- /dev/null
+++ b/plugins/reaction-plugin-ipset/Cargo.toml
@@ -0,0 +1,26 @@
+[package]
+name = "reaction-plugin-ipset"
+description = "ipset plugin for reaction"
+version = "1.0.0"
+edition = "2024"
+authors = ["ppom <reaction@ppom.me>"]
+license = "AGPL-3.0"
+homepage = "https://reaction.ppom.me"
+repository = "https://framagit.org/ppom/reaction"
+keywords = ["security", "sysadmin", "fail2ban", "logs", "monitoring"]
+default-run = "reaction-plugin-ipset"
+
+[dependencies]
+tokio = { workspace = true, features = ["rt-multi-thread"] }
+remoc.workspace = true
+reaction-plugin.path = "../reaction-plugin"
+serde.workspace = true
+serde_json.workspace = true
+ipset = "0.9.0"
+
+[package.metadata.deb]
+section = "net"
+assets = [
+	[ "target/release/reaction-plugin-ipset", "/usr/bin/reaction-plugin-ipset", "755" ],
+]
+depends = ["libipset-dev", "reaction"]
diff --git a/plugins/reaction-plugin-ipset/src/action.rs b/plugins/reaction-plugin-ipset/src/action.rs
new file mode 100644
index 0000000..c820e28
--- /dev/null
+++ b/plugins/reaction-plugin-ipset/src/action.rs
@@ -0,0 +1,419 @@
+use std::{fmt::Debug, u32, usize};
+
+use reaction_plugin::{Exec, shutdown::ShutdownToken, time::parse_duration};
+use remoc::rch::mpsc as remocMpsc;
+use serde::{Deserialize, Serialize};
+
+use crate::ipset::{CreateSet, IpSet, Order, SetChain, Version};
+
+#[derive(Default, Serialize, Deserialize, PartialEq, Eq, Clone, Copy)]
+pub enum IpVersion {
+    #[default]
+    #[serde(rename = "ip")]
+    Ip,
+    #[serde(rename = "ipv4")]
+    Ipv4,
+    #[serde(rename = "ipv6")]
+    Ipv6,
+}
+impl Debug for IpVersion {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                IpVersion::Ipv4 => "ipv4",
+                IpVersion::Ipv6 => "ipv6",
+                IpVersion::Ip => "ip",
+            }
+        )
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub enum AddDel {
+    #[default]
+    #[serde(alias = "add")]
+    Add,
+    #[serde(alias = "del")]
+    Del,
+}
+
+/// User-facing action options
+#[derive(Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct ActionOptions {
+    /// The set that should be used by this action
+    pub set: String,
+    /// The pattern name of the IP.
+    /// Defaults to "ip"
+    #[serde(default = "serde_ip")]
+    pub pattern: String,
+    #[serde(skip)]
+    ip_index: usize,
+    // Whether the action is to "add" or "del" the ip from the set
+    #[serde(default)]
+    action: AddDel,
+
+    #[serde(flatten)]
+    pub set_options: SetOptions,
+}
+
+fn serde_ip() -> String {
+    "ip".into()
+}
+
+impl ActionOptions {
+    pub fn set_ip_index(&mut self, patterns: Vec<String>) -> Result<(), ()> {
+        self.ip_index = patterns
+            .into_iter()
+            .enumerate()
+            .filter(|(_, name)| name == &self.pattern)
+            .next()
+            .ok_or(())?
+            .0;
+        Ok(())
+    }
+}
+
+/// Merged set options
+#[derive(Default, Clone, Deserialize, Serialize, Debug, PartialEq, Eq)]
+pub struct SetOptions {
+    /// The IP type.
+    /// Defaults to `46`.
+    /// If `ipv4`: creates an IPv4 set with this name
+    /// If `ipv6`: creates an IPv6 set with this name
+    /// If `ip`: creates an IPv4 set with its name suffixed by 'v4' AND an IPv6 set with its name suffixed by 'v6'
+    /// *Merged set-wise*.
+    #[serde(default)]
+    version: Option<IpVersion>,
+    /// Chains where the IP set should be inserted.
+    /// Defaults to `["INPUT", "FORWARD"]`
+    /// *Merged set-wise*.
+    #[serde(default)]
+    chains: Option<Vec<String>>,
+    // Optional timeout, letting linux/netfilter handle set removal instead of reaction
+    // Note that `reaction show` and `reaction flush` won't work if set instead of an `after` action
+    // Same syntax as after and retryperiod in reaction.
+    /// *Merged set-wise*.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    timeout: Option<String>,
+    #[serde(skip)]
+    timeout_u32: Option<u32>,
+    // Target that iptables should use when the IP is encountered.
+    // Defaults to DROP, but can also be ACCEPT, RETURN or any user-defined chain
+    /// *Merged set-wise*.
+    #[serde(default)]
+    target: Option<String>,
+}
+
+impl SetOptions {
+    pub fn merge(&mut self, options: &SetOptions) -> Result<(), String> {
+        // merge two Option<T> and fail if there is conflict
+        fn inner_merge<T: Eq + Clone + std::fmt::Debug>(
+            a: &mut Option<T>,
+            b: &Option<T>,
+            name: &str,
+        ) -> Result<(), String> {
+            match (&a, &b) {
+                (Some(aa), Some(bb)) => {
+                    if aa != bb {
+                        return Err(format!(
+                            "Conflicting options for {name}: `{aa:?}` and `{bb:?}`"
+                        ));
+                    }
+                }
+                (None, Some(_)) => {
+                    *a = b.clone();
+                }
+                _ => (),
+            };
+            Ok(())
+        }
+
+        inner_merge(&mut self.version, &options.version, "version")?;
+        inner_merge(&mut self.timeout, &options.timeout, "timeout")?;
+        inner_merge(&mut self.chains, &options.chains, "chains")?;
+        inner_merge(&mut self.target, &options.target, "target")?;
+
+        if let Some(timeout) = &self.timeout {
+            let duration = parse_duration(timeout)
+                .map_err(|err| format!("failed to parse timeout: {}", err))?
+                .as_secs();
+            if duration > u32::MAX as u64 {
+                return Err(format!(
+                    "timeout is limited to {} seconds (approx {} days)",
+                    u32::MAX,
+                    49_000
+                ));
+            }
+            self.timeout_u32 = Some(duration as u32);
+        }
+
+        Ok(())
+    }
+}
+
+pub struct Set {
+    sets: SetNames,
+    chains: Vec<String>,
+    timeout: Option<u32>,
+    target: String,
+}
+
+impl Set {
+    pub fn from(name: String, options: SetOptions) -> Self {
+        Self {
+            sets: SetNames::new(name, options.version),
+            timeout: options.timeout_u32,
+            target: options.target.unwrap_or("DROP".into()),
+            chains: options
+                .chains
+                .unwrap_or(vec!["INPUT".into(), "FORWARD".into()]),
+        }
+    }
+
+    pub async fn init(&self, ipset: &mut IpSet) -> Result<(), (usize, String)> {
+        for (set, version) in [
+            (&self.sets.ipv4, Version::IPv4),
+            (&self.sets.ipv6, Version::IPv6),
+        ] {
+            if let Some(set) = set {
+                // create set
+                ipset
+                    .order(Order::CreateSet(CreateSet {
+                        name: set.clone(),
+                        version,
+                        timeout: self.timeout,
+                    }))
+                    .await
+                    .map_err(|err| (0, err.to_string()))?;
+                // insert set in chains
+                for (i, chain) in self.chains.iter().enumerate() {
+                    ipset
+                        .order(Order::InsertSet(SetChain {
+                            set: set.clone(),
+                            chain: chain.clone(),
+                            target: self.target.clone(),
+                        }))
+                        .await
+                        .map_err(|err| (i + 1, err.to_string()))?;
+                }
+            }
+        }
+        Ok(())
+    }
+
+    pub async fn destroy(&self, ipset: &mut IpSet, until: Option<usize>) {
+        for set in [&self.sets.ipv4, &self.sets.ipv6] {
+            if let Some(set) = set {
+                for chain in self
+                    .chains
+                    .iter()
+                    .take(until.map(|until| until - 1).unwrap_or(usize::MAX))
+                {
+                    let _ = ipset
+                        .order(Order::RemoveSet(SetChain {
+                            set: set.clone(),
+                            chain: chain.clone(),
+                            target: self.target.clone(),
+                        }))
+                        .await;
+                }
+                if until.is_none_or(|until| until != 0) {
+                    let _ = ipset.order(Order::DestroySet(set.clone())).await;
+                }
+            }
+        }
+    }
+}
+
+pub struct SetNames {
+    pub ipv4: Option<String>,
+    pub ipv6: Option<String>,
+}
+
+impl SetNames {
+    pub fn new(name: String, version: Option<IpVersion>) -> Self {
+        Self {
+            ipv4: match version {
+                Some(IpVersion::Ipv4) => Some(name.clone()),
+                Some(IpVersion::Ipv6) => None,
+                None | Some(IpVersion::Ip) => Some(format!("{}v4", name)),
+            },
+            ipv6: match version {
+                Some(IpVersion::Ipv4) => None,
+                Some(IpVersion::Ipv6) => Some(name),
+                None | Some(IpVersion::Ip) => Some(format!("{}v6", name)),
+            },
+        }
+    }
+}
+
+pub struct Action {
+    ipset: IpSet,
+    rx: remocMpsc::Receiver<Exec>,
+    shutdown: ShutdownToken,
+    sets: SetNames,
+    // index of pattern ip in match vec
+    ip_index: usize,
+    action: AddDel,
+}
+
+impl Action {
+    pub fn new(
+        ipset: IpSet,
+        shutdown: ShutdownToken,
+        rx: remocMpsc::Receiver<Exec>,
+        options: ActionOptions,
+    ) -> Result<Self, String> {
+        Ok(Action {
+            ipset,
+            rx,
+            shutdown,
+            sets: SetNames::new(options.set, options.set_options.version),
+            ip_index: options.ip_index,
+            action: options.action,
+        })
+    }
+
+    pub async fn serve(mut self) {
+        loop {
+            let event = tokio::select! {
+                exec = self.rx.recv() => Some(exec),
+                _ = self.shutdown.wait() => None,
+            };
+            match event {
+                // shutdown asked
+                None => break,
+                // channel closed
+                Some(Ok(None)) => break,
+                // error from channel
+                Some(Err(err)) => {
+                    eprintln!("ERROR {err}");
+                    break;
+                }
+                // ok
+                Some(Ok(Some(exec))) => {
+                    if let Err(err) = self.handle_exec(exec).await {
+                        eprintln!("ERROR {err}");
+                        break;
+                    }
+                }
+            }
+        }
+        // eprintln!("DEBUG Asking for shutdown");
+        // self.shutdown.ask_shutdown();
+    }
+
+    async fn handle_exec(&mut self, mut exec: Exec) -> Result<(), String> {
+        // safeguard against Vec::remove's panic
+        if exec.match_.len() <= self.ip_index {
+            return Err(format!(
+                "match received from reaction is smaller than expected. looking for index {} but size is {}. this is a bug!",
+                self.ip_index,
+                exec.match_.len()
+            ));
+        }
+        let ip = exec.match_.remove(self.ip_index);
+        // select set
+        let set = match (&self.sets.ipv4, &self.sets.ipv6) {
+            (None, None) => return Err(format!("action is neither IPv4 nor IPv6, this is a bug!")),
+            (None, Some(set)) => set,
+            (Some(set), None) => set,
+            (Some(set4), Some(set6)) => {
+                if ip.contains(':') {
+                    set6
+                } else {
+                    set4
+                }
+            }
+        };
+        // add/remove ip to set
+        self.ipset
+            .order(match self.action {
+                AddDel::Add => Order::Add(set.clone(), ip),
+                AddDel::Del => Order::Del(set.clone(), ip),
+            })
+            .await?;
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::action::{IpVersion, SetOptions};
+
+    #[tokio::test]
+    async fn set_options_merge() {
+        let s1 = SetOptions {
+            version: None,
+            chains: None,
+            timeout: None,
+            timeout_u32: None,
+            target: None,
+        };
+        let s2 = SetOptions {
+            version: Some(IpVersion::Ipv4),
+            chains: Some(vec!["INPUT".into()]),
+            timeout: Some("3h".into()),
+            timeout_u32: Some(3 * 3600),
+            target: Some("DROP".into()),
+        };
+        assert_ne!(s1, s2);
+        assert_eq!(s1, SetOptions::default());
+
+        {
+            // s2 can be merged in s1
+            let mut s1 = s1.clone();
+            assert!(s1.merge(&s2).is_ok());
+            assert_eq!(s1, s2);
+        }
+
+        {
+            // s1 can be merged in s2
+            let mut s2 = s2.clone();
+            assert!(s2.merge(&s1).is_ok());
+        }
+
+        {
+            // s1 can be merged in itself
+            let mut s3 = s1.clone();
+            assert!(s3.merge(&s1).is_ok());
+            assert_eq!(s1, s3);
+        }
+
+        {
+            // s2 can be merged in itself
+            let mut s3 = s2.clone();
+            assert!(s3.merge(&s2).is_ok());
+            assert_eq!(s2, s3);
+        }
+
+        for s3 in [
+            SetOptions {
+                version: Some(IpVersion::Ipv6),
+                ..Default::default()
+            },
+            SetOptions {
+                chains: Some(vec!["damn".into()]),
+                ..Default::default()
+            },
+            SetOptions {
+                timeout: Some("30min".into()),
+                ..Default::default()
+            },
+            SetOptions {
+                target: Some("log-refuse".into()),
+                ..Default::default()
+            },
+        ] {
+            // none with some is ok
+            assert!(s3.clone().merge(&s1).is_ok(), "s3: {s3:?}");
+            assert!(s1.clone().merge(&s3).is_ok(), "s3: {s3:?}");
+            // different some is ko
+            assert!(s3.clone().merge(&s2).is_err(), "s3: {s3:?}");
+            assert!(s2.clone().merge(&s3).is_err(), "s3: {s3:?}");
+        }
+    }
+}
diff --git a/plugins/reaction-plugin-ipset/src/ipset.rs b/plugins/reaction-plugin-ipset/src/ipset.rs
new file mode 100644
index 0000000..81b1061
--- /dev/null
+++ b/plugins/reaction-plugin-ipset/src/ipset.rs
@@ -0,0 +1,248 @@
+use std::{collections::BTreeMap, fmt::Display, net::Ipv4Addr, process::Command, thread};
+
+use ipset::{
+    Session,
+    types::{HashNet, NetDataType, Parse},
+};
+use tokio::sync::{mpsc, oneshot};
+
+#[derive(PartialEq, Eq, PartialOrd, Ord, Copy, Clone)]
+pub enum Version {
+    IPv4,
+    IPv6,
+}
+impl Display for Version {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(match self {
+            Version::IPv4 => "IPv4",
+            Version::IPv6 => "IPv6",
+        })
+    }
+}
+
+#[derive(PartialEq, Eq, PartialOrd, Ord, Clone)]
+pub struct CreateSet {
+    pub name: String,
+    pub version: Version,
+    pub timeout: Option<u32>,
+}
+
+#[derive(PartialEq, Eq, PartialOrd, Ord, Clone)]
+pub struct SetChain {
+    pub set: String,
+    pub chain: String,
+    pub target: String,
+}
+
+#[derive(PartialEq, Eq, PartialOrd, Ord, Clone)]
+pub enum Order {
+    CreateSet(CreateSet),
+    DestroySet(String),
+    InsertSet(SetChain),
+    RemoveSet(SetChain),
+    Add(String, String),
+    Del(String, String),
+}
+
+#[derive(Clone)]
+pub struct IpSet {
+    tx: mpsc::Sender<OrderType>,
+}
+
+impl Default for IpSet {
+    fn default() -> Self {
+        let (tx, rx) = mpsc::channel(1);
+        thread::spawn(move || IPsetManager::default().serve(rx));
+        Self { tx }
+    }
+}
+
+impl IpSet {
+    pub async fn order(&mut self, order: Order) -> Result<(), IpSetError> {
+        let (tx, rx) = oneshot::channel();
+        self.tx
+            .send((order, tx))
+            .await
+            .map_err(|err| IpSetError::Thread(format!("ipset thread has quit: {err}")))?;
+        rx.await
+            .map_err(|err| IpSetError::Thread(format!("ipset thread didn't respond: {err}")))?
+            .map_err(IpSetError::IpSet)
+    }
+}
+
+pub enum IpSetError {
+    Thread(String),
+    IpSet(()),
+}
+impl Display for IpSetError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                IpSetError::Thread(err) => err,
+                IpSetError::IpSet(()) => "ipset error",
+            }
+        )
+    }
+}
+impl From<IpSetError> for String {
+    fn from(value: IpSetError) -> Self {
+        match value {
+            IpSetError::Thread(err) => err,
+            IpSetError::IpSet(()) => "ipset error".to_string(),
+        }
+    }
+}
+
+pub type OrderType = (Order, oneshot::Sender<Result<(), ()>>);
+
+struct Set {
+    session: Session<HashNet>,
+    version: Version,
+}
+
+#[derive(Default)]
+struct IPsetManager {
+    // IPset sessions
+    sessions: BTreeMap<String, Set>,
+}
+
+impl IPsetManager {
+    fn serve(mut self, mut rx: mpsc::Receiver<OrderType>) {
+        loop {
+            match rx.blocking_recv() {
+                None => break,
+                Some((order, response)) => {
+                    let result = self.handle_order(order);
+                    let _ = response.send(result);
+                }
+            }
+        }
+    }
+
+    fn handle_order(&mut self, order: Order) -> Result<(), ()> {
+        match order {
+            Order::CreateSet(CreateSet {
+                name,
+                version,
+                timeout,
+            }) => {
+                eprintln!("INFO creating  {version} set {name}");
+                let mut session: Session<HashNet> = Session::new(name.clone());
+                session
+                    .create(|builder| {
+                        let builder = if let Some(timeout) = timeout {
+                            builder.with_timeout(timeout)?
+                        } else {
+                            builder
+                        };
+                        builder.with_ipv6(version == Version::IPv6)?.build()
+                    })
+                    .map_err(|err| eprintln!("ERROR Could not create set {name}: {err}"))?;
+
+                self.sessions.insert(name, Set { session, version });
+            }
+            Order::DestroySet(set) => {
+                if let Some(mut session) = self.sessions.remove(&set) {
+                    eprintln!("INFO destroying {} set {set}", session.version);
+                    session
+                        .session
+                        .destroy()
+                        .map_err(|err| eprintln!("ERROR Could not destroy set {set}: {err}"))?;
+                }
+            }
+
+            Order::InsertSet(options) => self.insert_remove_set(options, true)?,
+            Order::RemoveSet(options) => self.insert_remove_set(options, false)?,
+
+            Order::Add(set, ip) => self.insert_remove_ip(set, ip, true)?,
+            Order::Del(set, ip) => self.insert_remove_ip(set, ip, false)?,
+        };
+        Ok(())
+    }
+
+    fn insert_remove_ip(&mut self, set: String, ip: String, insert: bool) -> Result<(), ()> {
+        self._insert_remove_ip(set, ip, insert)
+            .map_err(|err| eprintln!("ERROR {err}"))
+    }
+    fn _insert_remove_ip(&mut self, set: String, ip: String, insert: bool) -> Result<(), String> {
+        let session = self.sessions.get_mut(&set).ok_or(format!(
+            "No set handled by this plugin with this name: {set}. This likely is a bug."
+        ))?;
+
+        let mut net_data = NetDataType::new(Ipv4Addr::LOCALHOST, 0);
+        net_data
+            .parse(&ip)
+            .map_err(|err| format!("`{ip}` is not recognized as an IP: {err}"))?;
+
+        if insert {
+            session.session.add(net_data, &[])
+        } else {
+            session.session.del(net_data)
+        }
+        .map_err(|err| format!("Could not add `{ip}` to set {set}: {err}"))?;
+
+        Ok(())
+    }
+
+    fn insert_remove_set(&self, options: SetChain, insert: bool) -> Result<(), ()> {
+        self._insert_remove_set(options, insert)
+            .map_err(|err| eprintln!("ERROR {err}"))
+    }
+    fn _insert_remove_set(&self, options: SetChain, insert: bool) -> Result<(), String> {
+        let SetChain { set, chain, target } = options;
+
+        let version = self
+            .sessions
+            .get(&set)
+            .ok_or(format!(
+                "No set managed by this plugin with this name: {set}"
+            ))?
+            .version;
+
+        let (verb, verbing, from) = if insert {
+            ("insert", "inserting", "in")
+        } else {
+            ("remove", "removing", "from")
+        };
+
+        eprintln!("INFO {verbing} {version} set {set} {from} chain {chain}");
+
+        let command = match version {
+            Version::IPv4 => "iptables",
+            Version::IPv6 => "ip6tables",
+        };
+
+        let mut child = Command::new(command)
+            .args([
+                "-w",
+                if insert { "-I" } else { "-D" },
+                &chain,
+                "-m",
+                "set",
+                "--match-set",
+                &set,
+                "src",
+                "-j",
+                &target,
+            ])
+            .spawn()
+            .map_err(|err| format!("Could not {verb} ipset {set} {from} chain {chain}: Could not execute {command}: {err}"))?;
+
+        let exit = child
+            .wait()
+            .map_err(|err| format!("Could not {verb} ipset {set} {from} chain {chain}: {err}"))?;
+
+        if exit.success() {
+            Ok(())
+        } else {
+            Err(format!(
+                "Could not {verb} ipset: exit code {}",
+                exit.code()
+                    .map(|c| c.to_string())
+                    .unwrap_or_else(|| "<unknown>".to_string())
+            ))
+        }
+    }
+}
diff --git a/plugins/reaction-plugin-ipset/src/main.rs b/plugins/reaction-plugin-ipset/src/main.rs
new file mode 100644
index 0000000..828c3a8
--- /dev/null
+++ b/plugins/reaction-plugin-ipset/src/main.rs
@@ -0,0 +1,159 @@
+use std::collections::{BTreeMap, BTreeSet};
+
+use reaction_plugin::{
+    ActionConfig, ActionImpl, Hello, Manifest, PluginInfo, RemoteError, RemoteResult, StreamConfig,
+    StreamImpl,
+    shutdown::{ShutdownController, ShutdownToken},
+};
+use remoc::rtc;
+
+use crate::{
+    action::{Action, ActionOptions, Set, SetOptions},
+    ipset::IpSet,
+};
+
+#[cfg(test)]
+mod tests;
+
+mod action;
+mod ipset;
+
+#[tokio::main]
+async fn main() {
+    let plugin = Plugin::default();
+    reaction_plugin::main_loop(plugin).await;
+}
+
+#[derive(Default)]
+struct Plugin {
+    ipset: IpSet,
+    sets: Vec<Set>,
+    actions: Vec<Action>,
+    shutdown: ShutdownController,
+}
+
+impl PluginInfo for Plugin {
+    async fn manifest(&mut self) -> Result<Manifest, rtc::CallError> {
+        Ok(Manifest {
+            hello: Hello::new(),
+            streams: BTreeSet::default(),
+            actions: BTreeSet::from(["ipset".into()]),
+        })
+    }
+
+    async fn load_config(
+        &mut self,
+        streams: Vec<StreamConfig>,
+        actions: Vec<ActionConfig>,
+    ) -> RemoteResult<(Vec<StreamImpl>, Vec<ActionImpl>)> {
+        if !streams.is_empty() {
+            return Err("This plugin can't handle any stream type".into());
+        }
+
+        let mut ret_actions = Vec::with_capacity(actions.len());
+        let mut set_options: BTreeMap<String, SetOptions> = BTreeMap::new();
+
+        for ActionConfig {
+            stream_name,
+            filter_name,
+            action_name,
+            action_type,
+            config,
+            patterns,
+        } in actions
+        {
+            if &action_type != "ipset" {
+                return Err("This plugin can't handle other action types than ipset".into());
+            }
+
+            let mut options: ActionOptions = serde_json::from_value(config.into()).map_err(|err| {
+            format!("invalid options for action {stream_name}.{filter_name}.{action_name}: {err}")
+        })?;
+
+            options.set_ip_index(patterns).map_err(|_|
+                format!(
+                    "No pattern with name {} in filter {stream_name}.{filter_name}. Try setting the option `pattern` to your pattern name of type 'ip'",
+                    &options.pattern
+                )
+        )?;
+
+            // Merge option
+            set_options
+                .entry(options.set.clone())
+                .or_default()
+                .merge(&options.set_options)
+                .map_err(|err| format!("ipset {}: {err}", options.set))?;
+
+            let (tx, rx) = remoc::rch::mpsc::channel(1);
+            self.actions.push(Action::new(
+                self.ipset.clone(),
+                self.shutdown.token(),
+                rx,
+                options,
+            )?);
+
+            ret_actions.push(ActionImpl { tx });
+        }
+
+        // Init all sets
+        while let Some((name, options)) = set_options.pop_first() {
+            self.sets.push(Set::from(name, options));
+        }
+
+        Ok((vec![], ret_actions))
+    }
+
+    async fn start(&mut self) -> RemoteResult<()> {
+        self.shutdown.delegate().handle_quit_signals()?;
+
+        let mut first_error = None;
+        for (i, set) in self.sets.iter().enumerate() {
+            // Retain if error
+            if let Err((failed_step, err)) = set.init(&mut self.ipset).await {
+                first_error = Some((i, failed_step, RemoteError::Plugin(err)));
+                break;
+            }
+        }
+        // Destroy initialized sets if error
+        if let Some((last_set, failed_step, err)) = first_error {
+            eprintln!("DEBUG last_set: {last_set} failed_step: {failed_step} err: {err}");
+            for (curr_set, set) in self.sets.iter().enumerate().take(last_set + 1) {
+                let until = if last_set == curr_set {
+                    Some(failed_step)
+                } else {
+                    None
+                };
+                let _ = set.destroy(&mut self.ipset, until).await;
+            }
+            return Err(err);
+        }
+
+        // Launch a task that will destroy the sets on shutdown
+        tokio::spawn(destroy_sets_at_shutdown(
+            self.ipset.clone(),
+            std::mem::take(&mut self.sets),
+            self.shutdown.token(),
+        ));
+
+        // Launch all actions
+        while let Some(action) = self.actions.pop() {
+            tokio::spawn(async move { action.serve().await });
+        }
+        self.actions = Default::default();
+
+        Ok(())
+    }
+
+    async fn close(self) -> RemoteResult<()> {
+        self.shutdown.ask_shutdown();
+        self.shutdown.wait_all_task_shutdown().await;
+        Ok(())
+    }
+}
+
+async fn destroy_sets_at_shutdown(mut ipset: IpSet, sets: Vec<Set>, shutdown: ShutdownToken) {
+    shutdown.wait().await;
+    for set in sets {
+        set.destroy(&mut ipset, None).await;
+    }
+}
diff --git a/plugins/reaction-plugin-ipset/src/tests.rs b/plugins/reaction-plugin-ipset/src/tests.rs
new file mode 100644
index 0000000..09ce6cf
--- /dev/null
+++ b/plugins/reaction-plugin-ipset/src/tests.rs
@@ -0,0 +1,253 @@
+use reaction_plugin::{ActionConfig, PluginInfo, StreamConfig, Value};
+use serde_json::json;
+
+use crate::Plugin;
+
+#[tokio::test]
+async fn conf_stream() {
+    // No stream is supported by ipset
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "ipset".into(),
+                    config: Value::Null
+                }],
+                vec![]
+            )
+            .await
+            .is_err()
+    );
+
+    // Nothing is ok
+    assert!(Plugin::default().load_config(vec![], vec![]).await.is_ok());
+}
+
+#[tokio::test]
+async fn conf_action_standalone() {
+    let p = vec!["name".into(), "ip".into(), "ip2".into()];
+    let p_noip = vec!["name".into(), "ip2".into()];
+
+    for (is_ok, conf, patterns) in [
+        // minimal set
+        (true, json!({ "set": "test" }), &p),
+        // missing set key
+        (false, json!({}), &p),
+        (false, json!({ "version": "ipv4" }), &p),
+        // unknown key
+        (false, json!({ "set": "test", "unknown": "yes" }), &p),
+        (false, json!({ "set": "test", "ip_index": 1 }), &p),
+        (false, json!({ "set": "test", "timeout_u32": 1 }), &p),
+        // pattern //
+        (true, json!({ "set": "test" }), &p),
+        (true, json!({ "set": "test", "pattern": "ip" }), &p),
+        (true, json!({ "set": "test", "pattern": "ip2" }), &p),
+        (true, json!({ "set": "test", "pattern": "ip2" }), &p_noip),
+        // unknown pattern "ip"
+        (false, json!({ "set": "test" }), &p_noip),
+        (false, json!({ "set": "test", "pattern": "ip" }), &p_noip),
+        // unknown pattern
+        (false, json!({ "set": "test", "pattern": "unknown" }), &p),
+        (false, json!({ "set": "test", "pattern": "uwu" }), &p_noip),
+        // bad type
+        (false, json!({ "set": "test", "pattern": 0 }), &p_noip),
+        (false, json!({ "set": "test", "pattern": true }), &p_noip),
+        // action //
+        (true, json!({ "set": "test", "action": "add" }), &p),
+        (true, json!({ "set": "test", "action": "del" }), &p),
+        // unknown action
+        (false, json!({ "set": "test", "action": "create" }), &p),
+        (false, json!({ "set": "test", "action": "insert" }), &p),
+        (false, json!({ "set": "test", "action": "delete" }), &p),
+        (false, json!({ "set": "test", "action": "destroy" }), &p),
+        // bad type
+        (false, json!({ "set": "test", "action": true }), &p),
+        (false, json!({ "set": "test", "action": 1 }), &p),
+        // ip version //
+        // ok
+        (true, json!({ "set": "test", "version": "ipv4" }), &p),
+        (true, json!({ "set": "test", "version": "ipv6" }), &p),
+        (true, json!({ "set": "test", "version": "ip" }), &p),
+        // unknown version
+        (false, json!({ "set": "test", "version": 4 }), &p),
+        (false, json!({ "set": "test", "version": 6 }), &p),
+        (false, json!({ "set": "test", "version": 46 }), &p),
+        (false, json!({ "set": "test", "version": "5" }), &p),
+        (false, json!({ "set": "test", "version": "ipv5" }), &p),
+        (false, json!({ "set": "test", "version": "4" }), &p),
+        (false, json!({ "set": "test", "version": "6" }), &p),
+        (false, json!({ "set": "test", "version": "46" }), &p),
+        // bad type
+        (false, json!({ "set": "test", "version": true }), &p),
+        // chains //
+        // everything is fine really
+        (true, json!({ "set": "test", "chains": [] }), &p),
+        (true, json!({ "set": "test", "chains": ["INPUT"] }), &p),
+        (true, json!({ "set": "test", "chains": ["FORWARD"] }), &p),
+        (
+            true,
+            json!({ "set": "test", "chains": ["custom_chain"] }),
+            &p,
+        ),
+        (
+            true,
+            json!({ "set": "test", "chains": ["INPUT", "FORWARD"] }),
+            &p,
+        ),
+        (
+            true,
+            json!({
+                "set": "test",
+                "chains": ["INPUT", "FORWARD", "my_iptables_chain"]
+            }),
+            &p,
+        ),
+        // timeout //
+        (true, json!({ "set": "test", "timeout": "1m" }), &p),
+        (true, json!({ "set": "test", "timeout": "3 days" }), &p),
+        // bad
+        (false, json!({ "set": "test", "timeout": "3 dayz"}), &p),
+        (false, json!({ "set": "test", "timeout": 12 }), &p),
+        // target //
+        // anything is fine too
+        (true, json!({ "set": "test", "target": "DROP" }), &p),
+        (true, json!({ "set": "test", "target": "ACCEPT" }), &p),
+        (true, json!({ "set": "test", "target": "RETURN" }), &p),
+        (true, json!({ "set": "test", "target": "custom_chain" }), &p),
+        // bad
+        (false, json!({ "set": "test", "target": 11 }), &p),
+        (false, json!({ "set": "test", "target": ["DROP"] }), &p),
+    ] {
+        let res = Plugin::default()
+            .load_config(
+                vec![],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "ipset".into(),
+                    config: conf.clone().into(),
+                    patterns: patterns.clone(),
+                }],
+            )
+            .await;
+
+        assert!(
+            res.is_ok() == is_ok,
+            "conf: {:?}, must be ok: {is_ok}, result: {:?}",
+            conf,
+            // empty Result::Ok because ActionImpl is not Debug
+            res.map(|_| ())
+        );
+    }
+}
+
+// TODO
+#[tokio::test]
+async fn conf_action_merge() {
+    let mut plugin = Plugin::default();
+
+    let set1 = ActionConfig {
+        stream_name: "stream".into(),
+        filter_name: "filter".into(),
+        action_name: "action1".into(),
+        action_type: "ipset".into(),
+        config: json!({
+            "set": "test",
+            "target": "DROP",
+            "chains": ["INPUT"],
+            "action": "add",
+        })
+        .into(),
+        patterns: vec!["ip".into()],
+    };
+
+    let set2 = ActionConfig {
+        stream_name: "stream".into(),
+        filter_name: "filter".into(),
+        action_name: "action2".into(),
+        action_type: "ipset".into(),
+        config: json!({
+            "set": "test",
+            "target": "DROP",
+            "version": "ip",
+            "action": "add",
+        })
+        .into(),
+        patterns: vec!["ip".into()],
+    };
+
+    let set3 = ActionConfig {
+        stream_name: "stream".into(),
+        filter_name: "filter".into(),
+        action_name: "action2".into(),
+        action_type: "ipset".into(),
+        config: json!({
+            "set": "test",
+            "action": "del",
+        })
+        .into(),
+        patterns: vec!["ip".into()],
+    };
+
+    let res = plugin
+        .load_config(
+            vec![],
+            vec![
+                // First set
+                set1.clone(),
+                // Same set, adding options, no conflict
+                set2.clone(),
+                // Same set, no new options, no conflict
+                set3.clone(),
+                // Unrelated set, so no conflict
+                ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action3".into(),
+                    action_type: "ipset".into(),
+                    config: json!({
+                        "set": "test2",
+                        "target": "target1",
+                        "version": "ipv6",
+                    })
+                    .into(),
+                    patterns: vec!["ip".into()],
+                },
+            ],
+        )
+        .await;
+
+    assert!(res.is_ok(), "res: {:?}", res.map(|_| ()));
+
+    // Another set with conflict is not ok
+    let res = plugin
+        .load_config(
+            vec![],
+            vec![
+                // First set
+                set1,
+                // Same set, adding options, no conflict
+                set2,
+                // Same set, no new options, no conflict
+                set3,
+                // Another set with conflict
+                ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action3".into(),
+                    action_type: "ipset".into(),
+                    config: json!({
+                        "set": "test",
+                        "target": "target2",
+                        "action": "del",
+                    })
+                    .into(),
+                    patterns: vec!["ip".into()],
+                },
+            ],
+        )
+        .await;
+    assert!(res.is_err(), "res: {:?}", res.map(|_| ()));
+}
diff --git a/plugins/reaction-plugin-nftables/Cargo.toml b/plugins/reaction-plugin-nftables/Cargo.toml
new file mode 100644
index 0000000..1de8e6b
--- /dev/null
+++ b/plugins/reaction-plugin-nftables/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "reaction-plugin-nftables"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+tokio = { workspace = true, features = ["rt-multi-thread"] }
+remoc.workspace = true
+reaction-plugin.path = "../reaction-plugin"
+serde.workspace = true
+serde_json.workspace = true
+nftables = { version = "0.6.3", features = ["tokio"] }
+libnftables1-sys = { version = "0.1.1" }
diff --git a/plugins/reaction-plugin-nftables/src/action.rs b/plugins/reaction-plugin-nftables/src/action.rs
new file mode 100644
index 0000000..3898ab5
--- /dev/null
+++ b/plugins/reaction-plugin-nftables/src/action.rs
@@ -0,0 +1,493 @@
+use std::{
+    borrow::Cow,
+    collections::HashSet,
+    fmt::{Debug, Display},
+    u32,
+};
+
+use nftables::{
+    batch::Batch,
+    expr::Expression,
+    schema::{Element, NfListObject, Rule, SetFlag, SetType, SetTypeValue},
+    stmt::Statement,
+    types::{NfFamily, NfHook},
+};
+use reaction_plugin::{Exec, shutdown::ShutdownToken, time::parse_duration};
+use remoc::rch::mpsc as remocMpsc;
+use serde::{Deserialize, Serialize};
+
+use crate::{helpers::Version, nft::NftClient};
+
+#[derive(Default, Serialize, Deserialize, PartialEq, Eq, Clone, Copy)]
+pub enum IpVersion {
+    #[default]
+    #[serde(rename = "ip")]
+    Ip,
+    #[serde(rename = "ipv4")]
+    Ipv4,
+    #[serde(rename = "ipv6")]
+    Ipv6,
+}
+impl Debug for IpVersion {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                IpVersion::Ipv4 => "ipv4",
+                IpVersion::Ipv6 => "ipv6",
+                IpVersion::Ip => "ip",
+            }
+        )
+    }
+}
+
+#[derive(Default, Debug, Serialize, Deserialize)]
+pub enum AddDel {
+    #[default]
+    #[serde(alias = "add")]
+    Add,
+    #[serde(alias = "delete")]
+    Delete,
+}
+
+/// User-facing action options
+#[derive(Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub struct ActionOptions {
+    /// The set that should be used by this action
+    pub set: String,
+    /// The pattern name of the IP.
+    /// Defaults to "ip"
+    #[serde(default = "serde_ip")]
+    pub pattern: String,
+    #[serde(skip)]
+    ip_index: usize,
+    // Whether the action is to "add" or "del" the ip from the set
+    #[serde(default)]
+    action: AddDel,
+
+    #[serde(flatten)]
+    pub set_options: SetOptions,
+}
+
+fn serde_ip() -> String {
+    "ip".into()
+}
+
+impl ActionOptions {
+    pub fn set_ip_index(&mut self, patterns: Vec<String>) -> Result<(), ()> {
+        self.ip_index = patterns
+            .into_iter()
+            .enumerate()
+            .filter(|(_, name)| name == &self.pattern)
+            .next()
+            .ok_or(())?
+            .0;
+        Ok(())
+    }
+}
+
+/// Merged set options
+#[derive(Default, Clone, Deserialize, Serialize, Debug, PartialEq, Eq)]
+pub struct SetOptions {
+    /// The IP type.
+    /// Defaults to `46`.
+    /// If `ipv4`: creates an IPv4 set with this name
+    /// If `ipv6`: creates an IPv6 set with this name
+    /// If `ip`: creates an IPv4 set with its name suffixed by 'v4' AND an IPv6 set with its name suffixed by 'v6'
+    /// *Merged set-wise*.
+    #[serde(default)]
+    version: Option<IpVersion>,
+    /// Chains where the IP set should be inserted.
+    /// Defaults to `["input", "forward"]`
+    /// *Merged set-wise*.
+    #[serde(default)]
+    hooks: Option<Vec<RHook>>,
+    // Optional timeout, letting linux/netfilter handle set removal instead of reaction
+    // Note that `reaction show` and `reaction flush` won't work if set instead of an `after` action
+    // Same syntax as after and retryperiod in reaction.
+    /// *Merged set-wise*.
+    #[serde(skip_serializing_if = "Option::is_none")]
+    timeout: Option<String>,
+    #[serde(skip)]
+    timeout_u32: Option<u32>,
+    // Target that iptables should use when the IP is encountered.
+    // Defaults to DROP, but can also be ACCEPT, RETURN or any user-defined chain
+    /// *Merged set-wise*.
+    #[serde(default)]
+    target: Option<RStatement>,
+}
+
+impl SetOptions {
+    pub fn merge(&mut self, options: &SetOptions) -> Result<(), String> {
+        // merge two Option<T> and fail if there is conflict
+        fn inner_merge<T: Eq + Clone + std::fmt::Debug>(
+            a: &mut Option<T>,
+            b: &Option<T>,
+            name: &str,
+        ) -> Result<(), String> {
+            match (&a, &b) {
+                (Some(aa), Some(bb)) => {
+                    if aa != bb {
+                        return Err(format!(
+                            "Conflicting options for {name}: `{aa:?}` and `{bb:?}`"
+                        ));
+                    }
+                }
+                (None, Some(_)) => {
+                    *a = b.clone();
+                }
+                _ => (),
+            };
+            Ok(())
+        }
+
+        inner_merge(&mut self.version, &options.version, "version")?;
+        inner_merge(&mut self.timeout, &options.timeout, "timeout")?;
+        inner_merge(&mut self.hooks, &options.hooks, "chains")?;
+        inner_merge(&mut self.target, &options.target, "target")?;
+
+        if let Some(timeout) = &self.timeout {
+            let duration = parse_duration(timeout)
+                .map_err(|err| format!("failed to parse timeout: {}", err))?
+                .as_secs();
+            if duration > u32::MAX as u64 {
+                return Err(format!(
+                    "timeout is limited to {} seconds (approx {} days)",
+                    u32::MAX,
+                    49_000
+                ));
+            }
+            self.timeout_u32 = Some(duration as u32);
+        }
+
+        Ok(())
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, PartialOrd, Eq, Ord, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum RHook {
+    Ingress,
+    Prerouting,
+    Forward,
+    Input,
+    Output,
+    Postrouting,
+    Egress,
+}
+
+impl RHook {
+    pub fn as_str(&self) -> &'static str {
+        match self {
+            RHook::Ingress => "ingress",
+            RHook::Prerouting => "prerouting",
+            RHook::Forward => "forward",
+            RHook::Input => "input",
+            RHook::Output => "output",
+            RHook::Postrouting => "postrouting",
+            RHook::Egress => "egress",
+        }
+    }
+}
+
+impl Display for RHook {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.as_str())
+    }
+}
+
+impl From<&RHook> for NfHook {
+    fn from(value: &RHook) -> Self {
+        match value {
+            RHook::Ingress => Self::Ingress,
+            RHook::Prerouting => Self::Prerouting,
+            RHook::Forward => Self::Forward,
+            RHook::Input => Self::Input,
+            RHook::Output => Self::Output,
+            RHook::Postrouting => Self::Postrouting,
+            RHook::Egress => Self::Egress,
+        }
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, PartialOrd, Eq, Ord, Serialize, Deserialize)]
+#[serde(rename_all = "lowercase")]
+pub enum RStatement {
+    Accept,
+    Drop,
+    Continue,
+    Return,
+}
+
+pub struct Set {
+    pub sets: SetNames,
+    pub hooks: Vec<RHook>,
+    pub timeout: Option<u32>,
+    pub target: RStatement,
+}
+
+impl Set {
+    pub fn from(name: String, options: SetOptions) -> Self {
+        Self {
+            sets: SetNames::new(name, options.version),
+            timeout: options.timeout_u32,
+            target: options.target.unwrap_or(RStatement::Drop),
+            hooks: options.hooks.unwrap_or(vec![RHook::Input, RHook::Forward]),
+        }
+    }
+
+    pub fn init<'a>(&self, batch: &mut Batch<'a>) -> Result<(), String> {
+        for (set, version) in [
+            (&self.sets.ipv4, Version::IPv4),
+            (&self.sets.ipv6, Version::IPv6),
+        ] {
+            if let Some(set) = set {
+                let family = NfFamily::INet;
+                let table = Cow::from("reaction");
+
+                // create set
+                batch.add(NfListObject::<'a>::Set(Box::new(nftables::schema::Set::<
+                    'a,
+                > {
+                    family,
+                    table: table.to_owned(),
+                    name: Cow::Owned(set.to_owned()),
+                    // TODO Try a set which is both ipv4 and ipv6?
+                    set_type: SetTypeValue::Single(match version {
+                        Version::IPv4 => SetType::Ipv4Addr,
+                        Version::IPv6 => SetType::Ipv6Addr,
+                    }),
+                    flags: Some({
+                        let mut flags = HashSet::from([SetFlag::Interval]);
+                        if self.timeout.is_some() {
+                            flags.insert(SetFlag::Timeout);
+                        }
+                        flags
+                    }),
+                    timeout: self.timeout.clone(),
+                    ..Default::default()
+                })));
+                // insert set in chains
+                let expr = vec![match self.target {
+                    RStatement::Accept => Statement::Accept(None),
+                    RStatement::Drop => Statement::Drop(None),
+                    RStatement::Continue => Statement::Continue(None),
+                    RStatement::Return => Statement::Return(None),
+                }];
+                for hook in &self.hooks {
+                    batch.add(NfListObject::Rule(Rule {
+                        family,
+                        table: table.to_owned(),
+                        chain: Cow::from(hook.to_string()),
+                        expr: Cow::Owned(expr.clone()),
+                        ..Default::default()
+                    }));
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+pub struct SetNames {
+    pub ipv4: Option<String>,
+    pub ipv6: Option<String>,
+}
+
+impl SetNames {
+    pub fn new(name: String, version: Option<IpVersion>) -> Self {
+        Self {
+            ipv4: match version {
+                Some(IpVersion::Ipv4) => Some(name.clone()),
+                Some(IpVersion::Ipv6) => None,
+                None | Some(IpVersion::Ip) => Some(format!("{}v4", name)),
+            },
+            ipv6: match version {
+                Some(IpVersion::Ipv4) => None,
+                Some(IpVersion::Ipv6) => Some(name),
+                None | Some(IpVersion::Ip) => Some(format!("{}v6", name)),
+            },
+        }
+    }
+}
+
+pub struct Action {
+    nft: NftClient,
+    rx: remocMpsc::Receiver<Exec>,
+    shutdown: ShutdownToken,
+    sets: SetNames,
+    // index of pattern ip in match vec
+    ip_index: usize,
+    action: AddDel,
+}
+
+impl Action {
+    pub fn new(
+        nft: NftClient,
+        shutdown: ShutdownToken,
+        rx: remocMpsc::Receiver<Exec>,
+        options: ActionOptions,
+    ) -> Result<Self, String> {
+        Ok(Action {
+            nft,
+            rx,
+            shutdown,
+            sets: SetNames::new(options.set, options.set_options.version),
+            ip_index: options.ip_index,
+            action: options.action,
+        })
+    }
+
+    pub async fn serve(mut self) {
+        loop {
+            let event = tokio::select! {
+                exec = self.rx.recv() => Some(exec),
+                _ = self.shutdown.wait() => None,
+            };
+            match event {
+                // shutdown asked
+                None => break,
+                // channel closed
+                Some(Ok(None)) => break,
+                // error from channel
+                Some(Err(err)) => {
+                    eprintln!("ERROR {err}");
+                    break;
+                }
+                // ok
+                Some(Ok(Some(exec))) => {
+                    if let Err(err) = self.handle_exec(exec).await {
+                        eprintln!("ERROR {err}");
+                        break;
+                    }
+                }
+            }
+        }
+        // eprintln!("DEBUG Asking for shutdown");
+        // self.shutdown.ask_shutdown();
+    }
+
+    async fn handle_exec(&mut self, mut exec: Exec) -> Result<(), String> {
+        // safeguard against Vec::remove's panic
+        if exec.match_.len() <= self.ip_index {
+            return Err(format!(
+                "match received from reaction is smaller than expected. looking for index {} but size is {}. this is a bug!",
+                self.ip_index,
+                exec.match_.len()
+            ));
+        }
+        let ip = exec.match_.remove(self.ip_index);
+        // select set
+        let set = match (&self.sets.ipv4, &self.sets.ipv6) {
+            (None, None) => return Err(format!("action is neither IPv4 nor IPv6, this is a bug!")),
+            (None, Some(set)) => set,
+            (Some(set), None) => set,
+            (Some(set4), Some(set6)) => {
+                if ip.contains(':') {
+                    set6
+                } else {
+                    set4
+                }
+            }
+        };
+        // add/remove ip to set
+        let element = NfListObject::Element(Element {
+            family: NfFamily::INet,
+            table: Cow::from("reaction"),
+            name: Cow::from(set),
+            elem: Cow::from(vec![Expression::String(Cow::from(ip.clone()))]),
+        });
+        let mut batch = Batch::new();
+        match self.action {
+            AddDel::Add => batch.add(element),
+            AddDel::Delete => batch.delete(element),
+        };
+        match self.nft.send(batch).await {
+            Ok(ok) => {
+                eprintln!("DEBUG action ok {:?} {ip}: {ok}", self.action);
+                Ok(())
+            }
+            Err(err) => Err(format!("action ko {:?} {ip}: {err}", self.action)),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::action::{IpVersion, RHook, RStatement, SetOptions};
+
+    #[tokio::test]
+    async fn set_options_merge() {
+        let s1 = SetOptions {
+            version: None,
+            hooks: None,
+            timeout: None,
+            timeout_u32: None,
+            target: None,
+        };
+        let s2 = SetOptions {
+            version: Some(IpVersion::Ipv4),
+            hooks: Some(vec![RHook::Input]),
+            timeout: Some("3h".into()),
+            timeout_u32: Some(3 * 3600),
+            target: Some(RStatement::Drop),
+        };
+        assert_ne!(s1, s2);
+        assert_eq!(s1, SetOptions::default());
+
+        {
+            // s2 can be merged in s1
+            let mut s1 = s1.clone();
+            assert!(s1.merge(&s2).is_ok());
+            assert_eq!(s1, s2);
+        }
+
+        {
+            // s1 can be merged in s2
+            let mut s2 = s2.clone();
+            assert!(s2.merge(&s1).is_ok());
+        }
+
+        {
+            // s1 can be merged in itself
+            let mut s3 = s1.clone();
+            assert!(s3.merge(&s1).is_ok());
+            assert_eq!(s1, s3);
+        }
+
+        {
+            // s2 can be merged in itself
+            let mut s3 = s2.clone();
+            assert!(s3.merge(&s2).is_ok());
+            assert_eq!(s2, s3);
+        }
+
+        for s3 in [
+            SetOptions {
+                version: Some(IpVersion::Ipv6),
+                ..Default::default()
+            },
+            SetOptions {
+                hooks: Some(vec![RHook::Output]),
+                ..Default::default()
+            },
+            SetOptions {
+                timeout: Some("30min".into()),
+                ..Default::default()
+            },
+            SetOptions {
+                target: Some(RStatement::Continue),
+                ..Default::default()
+            },
+        ] {
+            // none with some is ok
+            assert!(s3.clone().merge(&s1).is_ok(), "s3: {s3:?}");
+            assert!(s1.clone().merge(&s3).is_ok(), "s3: {s3:?}");
+            // different some is ko
+            assert!(s3.clone().merge(&s2).is_err(), "s3: {s3:?}");
+            assert!(s2.clone().merge(&s3).is_err(), "s3: {s3:?}");
+        }
+    }
+}
diff --git a/plugins/reaction-plugin-nftables/src/helpers.rs b/plugins/reaction-plugin-nftables/src/helpers.rs
new file mode 100644
index 0000000..b8b97b2
--- /dev/null
+++ b/plugins/reaction-plugin-nftables/src/helpers.rs
@@ -0,0 +1,15 @@
+use std::fmt::Display;
+
+#[derive(PartialEq, Eq, PartialOrd, Ord, Copy, Clone)]
+pub enum Version {
+    IPv4,
+    IPv6,
+}
+impl Display for Version {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(match self {
+            Version::IPv4 => "IPv4",
+            Version::IPv6 => "IPv6",
+        })
+    }
+}
diff --git a/plugins/reaction-plugin-nftables/src/main.rs b/plugins/reaction-plugin-nftables/src/main.rs
new file mode 100644
index 0000000..6a7f067
--- /dev/null
+++ b/plugins/reaction-plugin-nftables/src/main.rs
@@ -0,0 +1,176 @@
+use std::{
+    borrow::Cow,
+    collections::{BTreeMap, BTreeSet},
+};
+
+use nftables::{
+    batch::Batch,
+    schema::{Chain, NfListObject, Table},
+    types::{NfChainType, NfFamily},
+};
+use reaction_plugin::{
+    ActionConfig, ActionImpl, Hello, Manifest, PluginInfo, RemoteResult, StreamConfig, StreamImpl,
+    shutdown::ShutdownController,
+};
+use remoc::rtc;
+
+use crate::{
+    action::{Action, ActionOptions, Set, SetOptions},
+    nft::NftClient,
+};
+
+#[cfg(test)]
+mod tests;
+
+mod action;
+pub mod helpers;
+mod nft;
+
+#[tokio::main]
+async fn main() {
+    let plugin = Plugin::default();
+    reaction_plugin::main_loop(plugin).await;
+}
+
+#[derive(Default)]
+struct Plugin {
+    nft: NftClient,
+    sets: Vec<Set>,
+    actions: Vec<Action>,
+    shutdown: ShutdownController,
+}
+
+impl PluginInfo for Plugin {
+    async fn manifest(&mut self) -> Result<Manifest, rtc::CallError> {
+        Ok(Manifest {
+            hello: Hello::new(),
+            streams: BTreeSet::default(),
+            actions: BTreeSet::from(["nftables".into()]),
+        })
+    }
+
+    async fn load_config(
+        &mut self,
+        streams: Vec<StreamConfig>,
+        actions: Vec<ActionConfig>,
+    ) -> RemoteResult<(Vec<StreamImpl>, Vec<ActionImpl>)> {
+        if !streams.is_empty() {
+            return Err("This plugin can't handle any stream type".into());
+        }
+
+        let mut ret_actions = Vec::with_capacity(actions.len());
+        let mut set_options: BTreeMap<String, SetOptions> = BTreeMap::new();
+
+        for ActionConfig {
+            stream_name,
+            filter_name,
+            action_name,
+            action_type,
+            config,
+            patterns,
+        } in actions
+        {
+            if &action_type != "nftables" {
+                return Err("This plugin can't handle other action types than nftables".into());
+            }
+
+            let mut options: ActionOptions = serde_json::from_value(config.into()).map_err(|err| {
+            format!("invalid options for action {stream_name}.{filter_name}.{action_name}: {err}")
+        })?;
+
+            options.set_ip_index(patterns).map_err(|_|
+                format!(
+                    "No pattern with name {} in filter {stream_name}.{filter_name}. Try setting the option `pattern` to your pattern name of type 'ip'",
+                    &options.pattern
+                )
+        )?;
+
+            // Merge option
+            set_options
+                .entry(options.set.clone())
+                .or_default()
+                .merge(&options.set_options)
+                .map_err(|err| format!("set {}: {err}", options.set))?;
+
+            let (tx, rx) = remoc::rch::mpsc::channel(1);
+            self.actions.push(Action::new(
+                self.nft.clone(),
+                self.shutdown.token(),
+                rx,
+                options,
+            )?);
+
+            ret_actions.push(ActionImpl { tx });
+        }
+
+        // Init all sets
+        while let Some((name, options)) = set_options.pop_first() {
+            self.sets.push(Set::from(name, options));
+        }
+
+        Ok((vec![], ret_actions))
+    }
+
+    async fn start(&mut self) -> RemoteResult<()> {
+        self.shutdown.delegate().handle_quit_signals()?;
+
+        let mut batch = Batch::new();
+        batch.add(reaction_table());
+
+        // Create a chain for each registered netfilter hook
+        for hook in self
+            .sets
+            .iter()
+            .flat_map(|set| &set.hooks)
+            .collect::<BTreeSet<_>>()
+        {
+            batch.add(NfListObject::Chain(Chain {
+                family: NfFamily::INet,
+                table: Cow::Borrowed("reaction"),
+                name: Cow::from(hook.as_str()),
+                _type: Some(NfChainType::Filter),
+                hook: Some(hook.into()),
+                prio: Some(0),
+                ..Default::default()
+            }));
+        }
+
+        for set in &self.sets {
+            set.init(&mut batch)?;
+        }
+
+        // TODO apply batch
+        self.nft.send(batch).await?;
+
+        // Launch a task that will destroy the table on shutdown
+        {
+            let token = self.shutdown.token();
+            tokio::spawn(async move {
+                token.wait().await;
+                Batch::new().delete(reaction_table());
+            });
+        }
+
+        // Launch all actions
+        while let Some(action) = self.actions.pop() {
+            tokio::spawn(async move { action.serve().await });
+        }
+        self.actions = Default::default();
+
+        Ok(())
+    }
+
+    async fn close(self) -> RemoteResult<()> {
+        self.shutdown.ask_shutdown();
+        self.shutdown.wait_all_task_shutdown().await;
+        Ok(())
+    }
+}
+
+fn reaction_table() -> NfListObject<'static> {
+    NfListObject::Table(Table {
+        family: NfFamily::INet,
+        name: Cow::Borrowed("reaction"),
+        handle: None,
+    })
+}
diff --git a/plugins/reaction-plugin-nftables/src/nft.rs b/plugins/reaction-plugin-nftables/src/nft.rs
new file mode 100644
index 0000000..a1641d2
--- /dev/null
+++ b/plugins/reaction-plugin-nftables/src/nft.rs
@@ -0,0 +1,81 @@
+use std::{
+    ffi::{CStr, CString},
+    thread,
+};
+
+use libnftables1_sys::Nftables;
+use nftables::batch::Batch;
+use tokio::sync::{mpsc, oneshot};
+
+/// A client with a dedicated server thread to libnftables.
+/// Calling [`Default::default()`] spawns a new server thread.
+/// Cloning just creates a new client to the same server thread.
+#[derive(Clone)]
+pub struct NftClient {
+    tx: mpsc::Sender<NftCommand>,
+}
+
+impl Default for NftClient {
+    fn default() -> Self {
+        let (tx, mut rx) = mpsc::channel(10);
+
+        thread::spawn(move || {
+            let mut conn = Nftables::new();
+
+            while let Some(NftCommand { json, ret }) = rx.blocking_recv() {
+                let (rc, output, error) = conn.run_cmd(json.as_ptr());
+                let res = match rc {
+                    0 => to_rust_string(output)
+                        .ok_or_else(|| "unknown ok (rc = 0 but no output buffer)".into()),
+                    _ => to_rust_string(error)
+                        .map(|err| format!("error (rc = {rc}: {err})"))
+                        .ok_or_else(|| format!("unknown error (rc = {rc} but no error buffer)")),
+                };
+                let _ = ret.send(res);
+            }
+        });
+
+        NftClient { tx }
+    }
+}
+
+impl NftClient {
+    /// Send a batch to nftables.
+    pub async fn send(&self, batch: Batch<'_>) -> Result<String, String> {
+        // convert JSON to CString
+        let mut json = serde_json::to_vec(&batch.to_nftables())
+            .map_err(|err| format!("couldn't build json to send to nftables: {err}"))?;
+        json.push('\0' as u8);
+        let json = CString::from_vec_with_nul(json)
+            .map_err(|err| format!("invalid json with null char: {err}"))?;
+
+        // Send command
+        let (tx, rx) = oneshot::channel();
+        let command = NftCommand { json, ret: tx };
+        self.tx
+            .send(command)
+            .await
+            .map_err(|err| format!("nftables thread has quit, can't send command: {err}"))?;
+
+        // Wait for result
+        rx.await
+            .map_err(|_| format!("nftables thread has quit, no response for command"))?
+    }
+}
+
+struct NftCommand {
+    json: CString,
+    ret: oneshot::Sender<Result<String, String>>,
+}
+
+fn to_rust_string(c_ptr: *const i8) -> Option<String> {
+    if c_ptr.is_null() {
+        None
+    } else {
+        Some(
+            unsafe { CStr::from_ptr(c_ptr) }
+                .to_string_lossy()
+                .into_owned(),
+        )
+    }
+}
diff --git a/plugins/reaction-plugin-nftables/src/tests.rs b/plugins/reaction-plugin-nftables/src/tests.rs
new file mode 100644
index 0000000..7c2de26
--- /dev/null
+++ b/plugins/reaction-plugin-nftables/src/tests.rs
@@ -0,0 +1,247 @@
+use reaction_plugin::{ActionConfig, PluginInfo, StreamConfig, Value};
+use serde_json::json;
+
+use crate::Plugin;
+
+#[tokio::test]
+async fn conf_stream() {
+    // No stream is supported by nftables
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "nftables".into(),
+                    config: Value::Null
+                }],
+                vec![]
+            )
+            .await
+            .is_err()
+    );
+
+    // Empty config is ok
+    assert!(Plugin::default().load_config(vec![], vec![]).await.is_ok());
+}
+
+#[tokio::test]
+async fn conf_action_standalone() {
+    let p = vec!["name".into(), "ip".into(), "ip2".into()];
+    let p_noip = vec!["name".into(), "ip2".into()];
+
+    for (is_ok, conf, patterns) in [
+        // minimal set
+        (true, json!({ "set": "test" }), &p),
+        // missing set key
+        (false, json!({}), &p),
+        (false, json!({ "version": "ipv4" }), &p),
+        // unknown key
+        (false, json!({ "set": "test", "unknown": "yes" }), &p),
+        (false, json!({ "set": "test", "ip_index": 1 }), &p),
+        (false, json!({ "set": "test", "timeout_u32": 1 }), &p),
+        // pattern //
+        (true, json!({ "set": "test" }), &p),
+        (true, json!({ "set": "test", "pattern": "ip" }), &p),
+        (true, json!({ "set": "test", "pattern": "ip2" }), &p),
+        (true, json!({ "set": "test", "pattern": "ip2" }), &p_noip),
+        // unknown pattern "ip"
+        (false, json!({ "set": "test" }), &p_noip),
+        (false, json!({ "set": "test", "pattern": "ip" }), &p_noip),
+        // unknown pattern
+        (false, json!({ "set": "test", "pattern": "unknown" }), &p),
+        (false, json!({ "set": "test", "pattern": "uwu" }), &p_noip),
+        // bad type
+        (false, json!({ "set": "test", "pattern": 0 }), &p_noip),
+        (false, json!({ "set": "test", "pattern": true }), &p_noip),
+        // action //
+        (true, json!({ "set": "test", "action": "add" }), &p),
+        (true, json!({ "set": "test", "action": "delete" }), &p),
+        // unknown action
+        (false, json!({ "set": "test", "action": "create" }), &p),
+        (false, json!({ "set": "test", "action": "insert" }), &p),
+        (false, json!({ "set": "test", "action": "del" }), &p),
+        (false, json!({ "set": "test", "action": "destroy" }), &p),
+        // bad type
+        (false, json!({ "set": "test", "action": true }), &p),
+        (false, json!({ "set": "test", "action": 1 }), &p),
+        // ip version //
+        // ok
+        (true, json!({ "set": "test", "version": "ipv4" }), &p),
+        (true, json!({ "set": "test", "version": "ipv6" }), &p),
+        (true, json!({ "set": "test", "version": "ip" }), &p),
+        // unknown version
+        (false, json!({ "set": "test", "version": 4 }), &p),
+        (false, json!({ "set": "test", "version": 6 }), &p),
+        (false, json!({ "set": "test", "version": 46 }), &p),
+        (false, json!({ "set": "test", "version": "5" }), &p),
+        (false, json!({ "set": "test", "version": "ipv5" }), &p),
+        (false, json!({ "set": "test", "version": "4" }), &p),
+        (false, json!({ "set": "test", "version": "6" }), &p),
+        (false, json!({ "set": "test", "version": "46" }), &p),
+        // bad type
+        (false, json!({ "set": "test", "version": true }), &p),
+        // hooks //
+        // everything is fine really
+        (true, json!({ "set": "test", "hooks": [] }), &p),
+        (
+            true,
+            json!({ "set": "test", "hooks": ["input", "forward", "ingress", "prerouting", "output", "postrouting", "egress"] }),
+            &p,
+        ),
+        (false, json!({ "set": "test", "hooks": ["INPUT"] }), &p),
+        (false, json!({ "set": "test", "hooks": ["FORWARD"] }), &p),
+        (
+            false,
+            json!({ "set": "test", "hooks": ["unknown_hook"] }),
+            &p,
+        ),
+        // timeout //
+        (true, json!({ "set": "test", "timeout": "1m" }), &p),
+        (true, json!({ "set": "test", "timeout": "3 days" }), &p),
+        // bad
+        (false, json!({ "set": "test", "timeout": "3 dayz"}), &p),
+        (false, json!({ "set": "test", "timeout": 12 }), &p),
+        // target //
+        // anything is fine too
+        (true, json!({ "set": "test", "target": "drop" }), &p),
+        (true, json!({ "set": "test", "target": "accept" }), &p),
+        (true, json!({ "set": "test", "target": "return" }), &p),
+        (true, json!({ "set": "test", "target": "continue" }), &p),
+        // bad
+        (false, json!({ "set": "test", "target": "custom" }), &p),
+        (false, json!({ "set": "test", "target": "DROP" }), &p),
+        (false, json!({ "set": "test", "target": 11 }), &p),
+        (false, json!({ "set": "test", "target": ["DROP"] }), &p),
+    ] {
+        let res = Plugin::default()
+            .load_config(
+                vec![],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "nftables".into(),
+                    config: conf.clone().into(),
+                    patterns: patterns.clone(),
+                }],
+            )
+            .await;
+
+        assert!(
+            res.is_ok() == is_ok,
+            "conf: {:?}, must be ok: {is_ok}, result: {:?}",
+            conf,
+            // empty Result::Ok because ActionImpl is not Debug
+            res.map(|_| ())
+        );
+    }
+}
+
+// TODO
+#[tokio::test]
+async fn conf_action_merge() {
+    let mut plugin = Plugin::default();
+
+    let set1 = ActionConfig {
+        stream_name: "stream".into(),
+        filter_name: "filter".into(),
+        action_name: "action1".into(),
+        action_type: "nftables".into(),
+        config: json!({
+            "set": "test",
+            "target": "drop",
+            "hooks": ["input"],
+            "action": "add",
+        })
+        .into(),
+        patterns: vec!["ip".into()],
+    };
+
+    let set2 = ActionConfig {
+        stream_name: "stream".into(),
+        filter_name: "filter".into(),
+        action_name: "action2".into(),
+        action_type: "nftables".into(),
+        config: json!({
+            "set": "test",
+            "target": "drop",
+            "version": "ip",
+            "action": "add",
+        })
+        .into(),
+        patterns: vec!["ip".into()],
+    };
+
+    let set3 = ActionConfig {
+        stream_name: "stream".into(),
+        filter_name: "filter".into(),
+        action_name: "action2".into(),
+        action_type: "nftables".into(),
+        config: json!({
+            "set": "test",
+            "action": "delete",
+        })
+        .into(),
+        patterns: vec!["ip".into()],
+    };
+
+    let res = plugin
+        .load_config(
+            vec![],
+            vec![
+                // First set
+                set1.clone(),
+                // Same set, adding options, no conflict
+                set2.clone(),
+                // Same set, no new options, no conflict
+                set3.clone(),
+                // Unrelated set, so no conflict
+                ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action3".into(),
+                    action_type: "nftables".into(),
+                    config: json!({
+                        "set": "test2",
+                        "target": "return",
+                        "version": "ipv6",
+                    })
+                    .into(),
+                    patterns: vec!["ip".into()],
+                },
+            ],
+        )
+        .await;
+
+    assert!(res.is_ok(), "res: {:?}", res.map(|_| ()));
+
+    // Another set with conflict is not ok
+    let res = plugin
+        .load_config(
+            vec![],
+            vec![
+                // First set
+                set1,
+                // Same set, adding options, no conflict
+                set2,
+                // Same set, no new options, no conflict
+                set3,
+                // Another set with conflict
+                ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action3".into(),
+                    action_type: "nftables".into(),
+                    config: json!({
+                        "set": "test",
+                        "target": "target2",
+                        "action": "del",
+                    })
+                    .into(),
+                    patterns: vec!["ip".into()],
+                },
+            ],
+        )
+        .await;
+    assert!(res.is_err(), "res: {:?}", res.map(|_| ()));
+}
diff --git a/plugins/reaction-plugin-virtual/Cargo.toml b/plugins/reaction-plugin-virtual/Cargo.toml
new file mode 100644
index 0000000..f6a1fca
--- /dev/null
+++ b/plugins/reaction-plugin-virtual/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "reaction-plugin-virtual"
+version = "1.0.0"
+edition = "2024"
+
+[dependencies]
+tokio = { workspace = true, features = ["rt-multi-thread"] }
+remoc.workspace = true
+reaction-plugin.path = "../reaction-plugin"
+serde.workspace = true
+serde_json.workspace = true
diff --git a/plugins/reaction-plugin-virtual/src/main.rs b/plugins/reaction-plugin-virtual/src/main.rs
new file mode 100644
index 0000000..aa20f26
--- /dev/null
+++ b/plugins/reaction-plugin-virtual/src/main.rs
@@ -0,0 +1,179 @@
+use std::collections::{BTreeMap, BTreeSet};
+
+use reaction_plugin::{
+    ActionConfig, ActionImpl, Exec, Hello, Line, Manifest, PluginInfo, RemoteResult, StreamConfig,
+    StreamImpl, Value, line::PatternLine,
+};
+use remoc::{rch::mpsc, rtc};
+use serde::{Deserialize, Serialize};
+
+#[cfg(test)]
+mod tests;
+
+#[tokio::main]
+async fn main() {
+    let plugin = Plugin::default();
+    reaction_plugin::main_loop(plugin).await;
+}
+
+#[derive(Default)]
+struct Plugin {}
+
+impl PluginInfo for Plugin {
+    async fn manifest(&mut self) -> Result<Manifest, rtc::CallError> {
+        Ok(Manifest {
+            hello: Hello::new(),
+            streams: BTreeSet::from(["virtual".into()]),
+            actions: BTreeSet::from(["virtual".into()]),
+        })
+    }
+
+    async fn load_config(
+        &mut self,
+        streams: Vec<StreamConfig>,
+        actions: Vec<ActionConfig>,
+    ) -> RemoteResult<(Vec<StreamImpl>, Vec<ActionImpl>)> {
+        let mut ret_streams = Vec::with_capacity(streams.len());
+        let mut ret_actions = Vec::with_capacity(actions.len());
+
+        let mut local_streams = BTreeMap::new();
+
+        for StreamConfig {
+            stream_name,
+            stream_type,
+            config,
+        } in streams
+        {
+            if stream_type != "virtual" {
+                return Err("This plugin can't handle other stream types than virtual".into());
+            }
+
+            let (virtual_stream, receiver) = VirtualStream::new(config)?;
+
+            if let Some(_) = local_streams.insert(stream_name, virtual_stream) {
+                return Err("this virtual stream has already been initialized".into());
+            }
+
+            ret_streams.push(StreamImpl {
+                stream: receiver,
+                standalone: false,
+            });
+        }
+
+        for ActionConfig {
+            stream_name,
+            filter_name,
+            action_name,
+            action_type,
+            config,
+            patterns,
+        } in actions
+        {
+            if &action_type != "virtual" {
+                return Err("This plugin can't handle other action types than virtual".into());
+            }
+
+            let (mut virtual_action, tx) = VirtualAction::new(
+                stream_name,
+                filter_name,
+                action_name,
+                config,
+                patterns,
+                &local_streams,
+            )?;
+
+            tokio::spawn(async move { virtual_action.serve().await });
+
+            ret_actions.push(ActionImpl { tx });
+        }
+
+        Ok((ret_streams, ret_actions))
+    }
+
+    async fn start(&mut self) -> RemoteResult<()> {
+        Ok(())
+    }
+
+    async fn close(self) -> RemoteResult<()> {
+        Ok(())
+    }
+}
+
+#[derive(Clone)]
+struct VirtualStream {
+    tx: mpsc::Sender<Line>,
+}
+
+impl VirtualStream {
+    fn new(config: Value) -> Result<(Self, mpsc::Receiver<Line>), String> {
+        const CONFIG_ERROR: &'static str = "streams of type virtual take no options";
+        match config {
+            Value::Null => (),
+            Value::Object(map) => {
+                if map.len() != 0 {
+                    return Err(CONFIG_ERROR.into());
+                }
+            }
+            _ => return Err(CONFIG_ERROR.into()),
+        }
+
+        let (tx, rx) = mpsc::channel(1);
+        Ok((Self { tx }, rx))
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+struct ActionOptions {
+    /// The line to send to the corresponding virtual stream, example: "ban \<ip\>"
+    send: String,
+    /// The name of the corresponding virtual stream, example: "my_stream"
+    to: String,
+}
+
+struct VirtualAction {
+    rx: mpsc::Receiver<Exec>,
+    send: PatternLine,
+    to: VirtualStream,
+}
+
+impl VirtualAction {
+    fn new(
+        stream_name: String,
+        filter_name: String,
+        action_name: String,
+        config: Value,
+        patterns: Vec<String>,
+        streams: &BTreeMap<String, VirtualStream>,
+    ) -> Result<(Self, mpsc::Sender<Exec>), String> {
+        let options: ActionOptions = serde_json::from_value(config.into()).map_err(|err| {
+            format!("invalid options for action {stream_name}.{filter_name}.{action_name}: {err}")
+        })?;
+
+        let send = PatternLine::new(options.send, patterns);
+
+        let stream = streams.get(&options.to).ok_or_else(|| {
+            format!(
+                "action {}.{}.{}: send \"{}\" matches no stream name",
+                stream_name, filter_name, action_name, options.to
+            )
+        })?;
+
+        let (tx, rx) = mpsc::channel(1);
+        Ok((
+            Self {
+                rx,
+                send: send,
+                to: stream.clone(),
+            },
+            tx,
+        ))
+    }
+
+    async fn serve(&mut self) {
+        while let Ok(Some(exec)) = self.rx.recv().await {
+            let line = self.send.line(exec.match_);
+            self.to.tx.send((line, exec.time)).await.unwrap();
+        }
+    }
+}
diff --git a/plugins/reaction-plugin-virtual/src/tests.rs b/plugins/reaction-plugin-virtual/src/tests.rs
new file mode 100644
index 0000000..32df952
--- /dev/null
+++ b/plugins/reaction-plugin-virtual/src/tests.rs
@@ -0,0 +1,322 @@
+use std::time::{SystemTime, UNIX_EPOCH};
+
+use reaction_plugin::{ActionConfig, Exec, PluginInfo, StreamConfig, Value};
+use serde_json::json;
+
+use crate::Plugin;
+
+#[tokio::test]
+async fn conf_stream() {
+    // Invalid type
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "virtu".into(),
+                    config: Value::Null
+                }],
+                vec![]
+            )
+            .await
+            .is_err()
+    );
+
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "virtual".into(),
+                    config: Value::Null
+                }],
+                vec![]
+            )
+            .await
+            .is_ok()
+    );
+
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "virtual".into(),
+                    config: json!({}).into(),
+                }],
+                vec![]
+            )
+            .await
+            .is_ok()
+    );
+
+    // Invalid conf: must be empty
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "virtual".into(),
+                    config: json!({"key": "value" }).into(),
+                }],
+                vec![]
+            )
+            .await
+            .is_err()
+    );
+}
+
+#[tokio::test]
+async fn conf_action() {
+    let streams = vec![StreamConfig {
+        stream_name: "stream".into(),
+        stream_type: "virtual".into(),
+        config: Value::Null,
+    }];
+
+    let valid_conf = json!({ "send": "message", "to": "stream" });
+
+    let missing_send_conf = json!({ "to": "stream" });
+    let missing_to_conf = json!({ "send": "stream" });
+    let extra_attr_conf = json!({ "send": "message", "send2": "message", "to": "stream" });
+
+    let patterns = Vec::default();
+
+    // Invalid type
+    assert!(
+        Plugin::default()
+            .load_config(
+                streams.clone(),
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "virtu".into(),
+                    config: Value::Null,
+                    patterns: patterns.clone(),
+                }]
+            )
+            .await
+            .is_err()
+    );
+    assert!(
+        Plugin::default()
+            .load_config(
+                streams.clone(),
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "virtual".into(),
+                    config: valid_conf.into(),
+                    patterns: patterns.clone()
+                }]
+            )
+            .await
+            .is_ok()
+    );
+
+    for conf in [missing_send_conf, missing_to_conf, extra_attr_conf] {
+        assert!(
+            Plugin::default()
+                .load_config(
+                    streams.clone(),
+                    vec![ActionConfig {
+                        stream_name: "stream".into(),
+                        filter_name: "filter".into(),
+                        action_name: "action".into(),
+                        action_type: "virtual".into(),
+                        config: conf.clone().into(),
+                        patterns: patterns.clone()
+                    }]
+                )
+                .await
+                .is_err(),
+            "conf: {:?}",
+            conf
+        );
+    }
+}
+
+#[tokio::test]
+async fn conf_send() {
+    // Valid to: option
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "virtual".into(),
+                    config: Value::Null,
+                }],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "virtual".into(),
+                    config: json!({ "send": "message", "to": "stream" }).into(),
+                    patterns: vec![],
+                }]
+            )
+            .await
+            .is_ok(),
+    );
+
+    // Invalid to: option
+    assert!(
+        Plugin::default()
+            .load_config(
+                vec![StreamConfig {
+                    stream_name: "stream".into(),
+                    stream_type: "virtual".into(),
+                    config: Value::Null,
+                }],
+                vec![ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "virtual".into(),
+                    config: json!({ "send": "message", "to": "stream1" }).into(),
+                    patterns: vec![],
+                }]
+            )
+            .await
+            .is_err(),
+    );
+}
+
+// Let's allow empty streams for now.
+// I guess it can be useful to have manual only actions.
+//
+// #[tokio::test]
+// async fn conf_empty_stream() {
+//     assert!(
+//         Plugin::default()
+//             .load_config(
+//                 vec![StreamConfig {
+//                     stream_name: "stream".into(),
+//                     stream_type: "virtual".into(),
+//                     config: Value::Null,
+//                 }],
+//                 vec![],
+//             )
+//             .await
+//             .is_err(),
+//     );
+// }
+
+#[tokio::test]
+async fn run_simple() {
+    let mut plugin = Plugin::default();
+    let (mut streams, mut actions) = plugin
+        .load_config(
+            vec![StreamConfig {
+                stream_name: "stream".into(),
+                stream_type: "virtual".into(),
+                config: Value::Null,
+            }],
+            vec![ActionConfig {
+                stream_name: "stream".into(),
+                filter_name: "filter".into(),
+                action_name: "action".into(),
+                action_type: "virtual".into(),
+                config: json!({ "send": "message <test>", "to": "stream" }).into(),
+                patterns: vec!["test".into()],
+            }],
+        )
+        .await
+        .unwrap();
+
+    let mut stream = streams.pop().unwrap();
+    let action = actions.pop().unwrap();
+    assert!(!stream.standalone);
+
+    for m in ["test1", "test2", "test3", "  a   a a aa a a"] {
+        let time = SystemTime::now().duration_since(UNIX_EPOCH).unwrap();
+        assert!(
+            action
+                .tx
+                .send(Exec {
+                    match_: vec![m.into()],
+                    time,
+                })
+                .await
+                .is_ok()
+        );
+        assert_eq!(
+            stream.stream.recv().await.unwrap().unwrap(),
+            (format!("message {m}"), time),
+        );
+    }
+}
+
+#[tokio::test]
+async fn run_two_actions() {
+    let mut plugin = Plugin::default();
+    let (mut streams, mut actions) = plugin
+        .load_config(
+            vec![StreamConfig {
+                stream_name: "stream".into(),
+                stream_type: "virtual".into(),
+                config: Value::Null,
+            }],
+            vec![
+                ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "virtual".into(),
+                    config: json!({ "send": "send <a>", "to": "stream" }).into(),
+                    patterns: vec!["a".into(), "b".into()],
+                },
+                ActionConfig {
+                    stream_name: "stream".into(),
+                    filter_name: "filter".into(),
+                    action_name: "action".into(),
+                    action_type: "virtual".into(),
+                    config: json!({ "send": "<b> send", "to": "stream" }).into(),
+                    patterns: vec!["a".into(), "b".into()],
+                },
+            ],
+        )
+        .await
+        .unwrap();
+
+    let mut stream = streams.pop().unwrap();
+    assert!(!stream.standalone);
+
+    let action2 = actions.pop().unwrap();
+    let action1 = actions.pop().unwrap();
+
+    let time = SystemTime::now().duration_since(UNIX_EPOCH).unwrap();
+
+    assert!(
+        action1
+            .tx
+            .send(Exec {
+                match_: vec!["aa".into(), "bb".into()],
+                time,
+            })
+            .await
+            .is_ok(),
+    );
+    assert_eq!(
+        stream.stream.recv().await.unwrap().unwrap(),
+        ("send aa".into(), time),
+    );
+
+    assert!(
+        action2
+            .tx
+            .send(Exec {
+                match_: vec!["aa".into(), "bb".into()],
+                time,
+            })
+            .await
+            .is_ok(),
+    );
+    assert_eq!(
+        stream.stream.recv().await.unwrap().unwrap(),
+        ("bb send".into(), time),
+    );
+}
diff --git a/plugins/reaction-plugin/Cargo.toml b/plugins/reaction-plugin/Cargo.toml
new file mode 100644
index 0000000..0fa3a38
--- /dev/null
+++ b/plugins/reaction-plugin/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "reaction-plugin"
+version = "1.0.0"
+edition = "2024"
+authors = ["ppom <reaction@ppom.me>"]
+license = "AGPL-3.0"
+homepage = "https://reaction.ppom.me"
+repository = "https://framagit.org/ppom/reaction"
+keywords = ["security", "sysadmin", "logs", "monitoring", "plugin"]
+categories = ["security"]
+description = "Plugin interface for reaction, a daemon that scans logs and takes action (alternative to fail2ban)"
+
+[dependencies]
+remoc.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+tokio.features = ["io-std", "signal"]
+tokio-util.workspace = true
+tokio-util.features = ["rt"]
diff --git a/plugins/reaction-plugin/src/lib.rs b/plugins/reaction-plugin/src/lib.rs
new file mode 100644
index 0000000..113494a
--- /dev/null
+++ b/plugins/reaction-plugin/src/lib.rs
@@ -0,0 +1,599 @@
+//! This crate defines the API between reaction's core and plugins.
+//!
+//! Plugins must be written in Rust, for now.
+//!
+//! This documentation assumes the reader has some knowledge of Rust.
+//! However, if you find that something is unclear, don't hesitate to
+//! [ask for help](https://framagit.org/ppom/reaction/#help), even if you're new to Rust.
+//!
+//! To implement a plugin, one has to provide an implementation of [`PluginInfo`], that provides
+//! the entrypoint for a plugin.
+//! It permits to define `0` to `n` custom stream and action types.
+//!
+//! ## Note on reaction-plugin API stability
+//!
+//! This is the v1 of reaction's plugin interface.
+//! It's quite efficient and complete, but it has the big drawback of being Rust-only and [`tokio`]-only.
+//!
+//! In the future, I'd like to define a language-agnostic interface, which will be a major breaking change in the API.
+//! However, I'll try my best to reduce the necessary code changes for plugins that use this v1.
+//!
+//! ## Naming & calling conventions
+//!
+//! Your plugin should be named `reaction-plugin-$NAME`, eg. `reaction-plugin-postgresql`.
+//! It will be invoked with one positional argument "serve".
+//! ```bash
+//! reaction-plugin-$NAME serve
+//! ```
+//! This can be useful if you want to provide CLI functionnality to your users,
+//! so you can distinguish between a human user and reaction.
+//!
+//! ### State directory
+//!
+//! It will be executed in its own directory, in which it should have write access.
+//! The directory is `$reaction_state_directory/plugin_data/$NAME`.
+//! reaction's [state_directory](https://reaction.ppom.me/reference.html#state_directory)
+//! defaults to its working directory, which is `/var/lib/reaction` in most setups.
+//!
+//! So your plugin directory should most often be `/var/lib/reaction/plugin_data/$NAME`,
+//! but the plugin shouldn't expect that and use the current working directory instead.
+//!
+//! ## Communication
+//!
+//! Communication between the plugin and reaction is based on [`remoc`], which permits to multiplex channels and remote objects/functions/trait
+//! calls over a single transport channel.
+//! The channels read and write channels are stdin and stdout, so you shouldn't use them for something else.
+//!
+//! [`remoc`] builds upon [`tokio`], so you'll need to use tokio too.
+//!
+//! ### Errors
+//!
+//! Errors during:
+//! - config loading in [`PluginInfo::load_config`]
+//! - startup in [`PluginInfo::start`]
+//!
+//! should be returned to reaction by the function's return value, permitting reaction to abort startup.
+//!
+//! During normal runtime, after the plugin has loaded its config and started, and before reaction is quitting, there is no *rusty* way to send errors to reaction.
+//! Then errors can be printed to stderr.
+//! They'll be captured line by line and re-printed by reaction, with the plugin name prepended.
+//!
+//! A line can start with `DEBUG `, `INFO `, `WARN `, `ERROR `.
+//! If it starts with none of the above, the line is assumed to be an error.
+//!
+//! Example:
+//! Those lines:
+//! ```log
+//! WARN This is an official warning from the plugin
+//! Freeeee errrooooorrr
+//! ```
+//! Will become:
+//! ```log
+//! WARN plugin test: This is an official warning from the plugin
+//! ERROR plugin test: Freeeee errrooooorrr
+//! ```
+//!
+//! Plugins should not exit when there is an error: reaction quits only when told to do so,
+//! or if all its streams exit, and won't retry starting a failing plugin or stream.
+//! Please only exit if you're in a 100% failing state.
+//! It's considered better to continue operating in a degraded state than exiting.
+//!
+//! ## Getting started
+//!
+//! If you don't have Rust already installed, follow their [*Getting Started* documentation](https://rust-lang.org/learn/get-started/)
+//! to get rust build tools and learn about editor support.
+//!
+//! Then create a new repository with cargo:
+//!
+//! ```bash
+//! cargo new reaction-plugin-$NAME
+//! cd reaction-plugin-$NAME
+//! ```
+//!
+//! Add required dependencies:
+//!
+//! ```bash
+//! cargo add reaction-plugin tokio
+//! ```
+//!
+//! Replace `src/main.rs` with those contents:
+//!
+//! ```ignore
+//! use reaction_plugin::PluginInfo;
+//!
+//! #[tokio::main]
+//! async fn main() {
+//!     let plugin = MyPlugin::default();
+//!     reaction_plugin::main_loop(plugin).await;
+//! }
+//!
+//! #[derive(Default)]
+//! struct MyPlugin {}
+//!
+//! impl PluginInfo for MyPlugin {
+//!   // ...
+//! }
+//! ```
+//!
+//! Your IDE should now propose to implement missing members of the [`PluginInfo`] trait.
+//! Your journey starts!
+//!
+//! ## Examples
+//!
+//! Core plugins can be found here: <https://framagit.org/ppom/reaction/-/tree/main/plugins>.
+//!
+//! - The "virtual" plugin is the simplest and can serve as a good complete example that links custom stream types and custom action types.
+//! - The "ipset" plugin is a good example of an action-only plugin.
+
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    env::args,
+    error::Error,
+    fmt::Display,
+    process::exit,
+    time::Duration,
+};
+
+use remoc::{
+    Connect, rch,
+    rtc::{self, Server},
+};
+use serde::{Deserialize, Serialize};
+use serde_json::{Number, Value as JValue};
+use tokio::io::{stdin, stdout};
+
+pub mod line;
+pub mod shutdown;
+pub mod time;
+
+/// The only trait that **must** be implemented by a plugin.
+/// It provides lists of stream, filter and action types implemented by a dynamic plugin.
+#[rtc::remote]
+pub trait PluginInfo {
+    /// Return the manifest of the plugin.
+    /// This should not be dynamic, and return always the same manifest.
+    ///
+    /// Example implementation:
+    /// ```
+    /// Ok(Manifest {
+    ///     hello: Hello::new(),
+    ///     streams: BTreeSet::from(["mystreamtype".into()]),
+    ///     actions: BTreeSet::from(["myactiontype".into()]),
+    /// })
+    /// ```
+    ///
+    /// First function called.
+    async fn manifest(&mut self) -> Result<Manifest, rtc::CallError>;
+
+    /// Load all plugin stream and action configurations.
+    /// Must error if config is invalid.
+    ///
+    /// The plugin should not start running mutable commands here:
+    /// It should be ok to quit without cleanup for now.
+    ///
+    /// Each [`StreamConfig`] from the `streams` arg should result in a corresponding [`StreamImpl`] returned, in the same order.
+    /// Each [`ActionConfig`] from the `actions` arg should result in a corresponding [`ActionImpl`] returned, in the same order.
+    ///
+    /// Function called after [`PluginInfo::manifest`].
+    async fn load_config(
+        &mut self,
+        streams: Vec<StreamConfig>,
+        actions: Vec<ActionConfig>,
+    ) -> RemoteResult<(Vec<StreamImpl>, Vec<ActionImpl>)>;
+
+    /// Notify the plugin that setup is finished, permitting a last occasion to report an error that'll make reaction exit.
+    /// All initialization (opening remote connections, starting streams, etc) should happen here.
+    ///
+    /// Function called after [`PluginInfo::load_config`].
+    async fn start(&mut self) -> RemoteResult<()>;
+
+    /// Notify the plugin that reaction is quitting and that the plugin should quit too.
+    /// A few seconds later, the plugin will receive SIGTERM.
+    /// A few seconds later, the plugin will receive SIGKILL.
+    ///
+    /// Function called after [`PluginInfo::start`], when reaction is quitting.
+    async fn close(mut self) -> RemoteResult<()>;
+}
+
+/// The config for one Stream of a type advertised by this plugin.
+///
+/// For example this user config:
+/// ```jsonnet
+/// {
+///   streams: {
+///     mystream: {
+///       type: "mystreamtype",
+///       options: {
+///         key: "value",
+///         num: 3,
+///       },
+///       // filters: ...
+///     },
+///   },
+/// }
+/// ```
+///
+/// would result in the following `StreamConfig`:
+///
+/// ```
+/// StreamConfig {
+///   stream_name: "mystream",
+///   stream_type: "mystreamtype",
+///   config: Value::Object(BTreeMap::from([
+///     ("key", Value::String("value")),
+///     ("num", Value::Integer(3)),
+///   ])),
+/// }
+/// ```
+///
+/// Don't hesitate to take advantage of [`serde_json::from_value`], to deserialize the [`Value`] into a Rust struct:
+///
+/// ```
+/// #[derive(Deserialize)]
+/// struct MyStreamOptions {
+///   key: String,
+///   num: i64,
+/// }
+///
+/// fn validate_config(stream_config: Value) -> Result<MyStreamOptions, serde_json::Error> {
+///   serde_json::from_value(stream_config.into())
+/// }
+/// ```
+#[derive(Serialize, Deserialize, Clone)]
+pub struct StreamConfig {
+    pub stream_name: String,
+    pub stream_type: String,
+    pub config: Value,
+}
+
+/// The config for one Stream of a type advertised by this plugin.
+///
+/// For example this user config:
+/// ```jsonnet
+/// {
+///   streams: {
+///     mystream: {
+///       // ...
+///       filters: {
+///         myfilter: {
+///           // ...
+///           actions: {
+///             myaction: {
+///               type: "myactiontype",
+///               options: {
+///                 boolean: true,
+///                 array: ["item"],
+///               },
+///             },
+///           },
+///         },
+///       },
+///     },
+///   },
+/// }
+/// ```
+///
+/// would result in the following `ActionConfig`:
+///
+/// ```rust
+/// ActionConfig {
+///   action_name: "myaction",
+///   action_type: "myactiontype",
+///   config: Value::Object(BTreeMap::from([
+///     ("boolean", Value::Boolean(true)),
+///     ("array", Value::Array([Value::String("item")])),
+///   ])),
+/// }
+/// ```
+///
+/// Don't hesitate to take advantage of [`serde_json::from_value`], to deserialize the [`Value`] into a Rust struct:
+///
+/// ```rust
+/// #[derive(Deserialize)]
+/// struct MyActionOptions {
+///   boolean: bool,
+///   array: Vec<String>,
+/// }
+///
+/// fn validate_config(action_config: Value) -> Result<MyActionOptions, serde_json::Error> {
+///   serde_json::from_value(action_config.into())
+/// }
+/// ```
+#[derive(Serialize, Deserialize, Clone)]
+pub struct ActionConfig {
+    pub stream_name: String,
+    pub filter_name: String,
+    pub action_name: String,
+    pub action_type: String,
+    pub config: Value,
+    pub patterns: Vec<String>,
+}
+
+/// Mandatory announcement of a plugin's protocol version, stream and action types.
+#[derive(Serialize, Deserialize)]
+pub struct Manifest {
+    // Protocol version.
+    // Just use the [`Hello::new`] constructor that uses this crate's current version.
+    pub hello: Hello,
+    /// Stream types that should be made available to reaction users
+    ///
+    /// ```jsonnet
+    /// {
+    ///   streams: {
+    ///     my_stream: {
+    ///       type: "..."
+    ///       # ↑ all those exposed types
+    ///     }
+    ///   }
+    /// }
+    /// ```
+    pub streams: BTreeSet<String>,
+    /// Action types that should be made available to reaction users
+    ///
+    /// ```jsonnet
+    /// {
+    ///   streams: {
+    ///     mystream: {
+    ///       filters: {
+    ///         myfilter: {
+    ///           actions: {
+    ///             myaction: {
+    ///               type: "myactiontype",
+    ///                # ↑ all those exposed types
+    ///             },
+    ///           },
+    ///         },
+    ///       },
+    ///     },
+    ///   },
+    /// }
+    /// ```
+    pub actions: BTreeSet<String>,
+}
+
+#[derive(Default, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Hello {
+    /// Major version of the protocol
+    /// Increment means breaking change
+    pub version_major: u32,
+    /// Minor version of the protocol
+    /// Increment means reaction core can handle older version plugins
+    pub version_minor: u32,
+}
+
+impl Hello {
+    /// Constructor that fills a [`Hello`] struct with [`crate`]'s version.
+    /// You should use this in your plugin [`Manifest`].
+    pub fn new() -> Hello {
+        Hello {
+            version_major: env!("CARGO_PKG_VERSION_MAJOR").parse().unwrap(),
+            version_minor: env!("CARGO_PKG_VERSION_MINOR").parse().unwrap(),
+        }
+    }
+
+    /// Used by the reaction daemon. Permits to check compatibility between two versions.
+    /// Major versions must be the same between the daemon and plugin.
+    /// Minor version of the daemon must be greater than or equal minor version of the plugin.
+    pub fn is_compatible(server: &Hello, plugin: &Hello) -> std::result::Result<(), String> {
+        if server.version_major == plugin.version_major
+            && server.version_minor >= plugin.version_minor
+        {
+            Ok(())
+        } else if plugin.version_major > server.version_major
+            || (plugin.version_major == server.version_major
+                && plugin.version_minor > server.version_minor)
+        {
+            Err("consider upgrading reaction".into())
+        } else {
+            Err("consider upgrading the plugin".into())
+        }
+    }
+}
+
+/// A clone of [`serde_json::Value`].
+/// Implements From & Into [`serde_json::Value`].
+#[derive(Serialize, Deserialize, Clone)]
+pub enum Value {
+    Null,
+    Bool(bool),
+    Integer(i64),
+    Float(f64),
+    String(String),
+    Array(Vec<Value>),
+    Object(BTreeMap<String, Value>),
+}
+
+impl From<JValue> for Value {
+    fn from(value: serde_json::Value) -> Self {
+        match value {
+            JValue::Null => Value::Null,
+            JValue::Bool(b) => Value::Bool(b),
+            JValue::Number(number) => {
+                if let Some(number) = number.as_i64() {
+                    Value::Integer(number)
+                } else if let Some(number) = number.as_f64() {
+                    Value::Float(number)
+                } else {
+                    Value::Null
+                }
+            }
+            JValue::String(s) => Value::String(s.into()),
+            JValue::Array(v) => Value::Array(v.into_iter().map(|e| e.into()).collect()),
+            JValue::Object(m) => Value::Object(m.into_iter().map(|(k, v)| (k, v.into())).collect()),
+        }
+    }
+}
+
+impl Into<JValue> for Value {
+    fn into(self) -> JValue {
+        match self {
+            Value::Null => JValue::Null,
+            Value::Bool(v) => JValue::Bool(v),
+            Value::Integer(v) => JValue::Number(v.into()),
+            Value::Float(v) => JValue::Number(Number::from_f64(v).unwrap()),
+            Value::String(v) => JValue::String(v),
+            Value::Array(v) => JValue::Array(v.into_iter().map(|e| e.into()).collect()),
+            Value::Object(m) => JValue::Object(m.into_iter().map(|(k, v)| (k, v.into())).collect()),
+        }
+    }
+}
+
+/// Represents a Stream handled by a plugin on reaction core's side.
+///
+/// During [`PluginInfo::load_config`], the plugin should create a [`remoc::rch::mpsc::channel`] of [`Line`].
+/// It will keep the sending side for itself and put the receiving side in a [`StreamImpl`].
+///
+/// The plugin should start sending [`Line`]s in the channel only after [`PluginInfo::start`] has been called by reaction core.
+#[derive(Debug, Serialize, Deserialize)]
+pub struct StreamImpl {
+    pub stream: rch::mpsc::Receiver<Line>,
+    /// Whether this stream works standalone, or if it needs other streams or actions to be fed.
+    /// Defaults to true.
+    /// When `false`, reaction will exit if it's the last one standing.
+    #[serde(default = "_true")]
+    pub standalone: bool,
+}
+
+fn _true() -> bool {
+    true
+}
+
+/// Messages passed from the [`StreamImpl`] of a plugin to reaction core
+pub type Line = (String, Duration);
+
+// // Filters
+// // For now, plugins can't handle custom filter implementations.
+// #[derive(Serialize, Deserialize)]
+// pub struct FilterImpl {
+//     pub stream: rch::lr::Sender<Exec>,
+// }
+// #[derive(Serialize, Deserialize)]
+// pub struct Match {
+//     pub match_: String,
+//     pub result: rch::oneshot::Sender<bool>,
+// }
+
+/// Represents an Action handled by a plugin on reaction core's side.
+///
+/// During [`PluginInfo::load_config`], the plugin should create a [`remoc::rch::mpsc::channel`] of [`Exec`].
+/// It will keep the receiving side for itself and put the sending side in a [`ActionImpl`].
+///
+/// The plugin will start receiving [`Exec`]s in the channel from reaction only after [`PluginInfo::start`] has been called by reaction core.
+#[derive(Clone, Serialize, Deserialize)]
+pub struct ActionImpl {
+    pub tx: rch::mpsc::Sender<Exec>,
+}
+
+/// A [trigger](https://reaction.ppom.me/reference.html#trigger) of the Action, sent by reaction core to the plugin.
+///
+/// The plugin should perform the configured action for each received [`Exec`].
+///
+/// Any error during its execution should be logged to stderr, see [`crate#Errors`] for error handling recommandations.
+#[derive(Serialize, Deserialize)]
+pub struct Exec {
+    pub match_: Vec<String>,
+    pub time: Duration,
+}
+
+/// The main loop for a plugin.
+///
+/// Bootstraps the communication with reaction core on the process' stdin and stdout,
+/// then holds the connection and maintains the plugin in a server state.
+///
+/// Your main function should only create a struct that implements [`PluginInfo`]
+/// and then call [`main_loop`]:
+/// ```ignore
+/// #[tokio::main]
+/// async fn main() {
+///     let plugin = MyPlugin::default();
+///     reaction_plugin::main_loop(plugin).await;
+/// }
+/// ```
+pub async fn main_loop<T: PluginInfo + Send + Sync + 'static>(plugin_info: T) {
+    // First check that we're called by reaction
+    let mut args = args();
+    // skip 0th argument
+    let _skip = args.next();
+    if args.next().is_none_or(|arg| arg != "serve") {
+        eprintln!("This plugin is not meant to be called as-is.");
+        eprintln!(
+            "reaction daemon starts plugins itself and communicates with them on stdin, stdout and stderr."
+        );
+        eprintln!("See the doc on plugin configuration: https://reaction.ppom.me/plugins/");
+        exit(1);
+    } else {
+        let (conn, mut tx, _rx): (
+            _,
+            remoc::rch::base::Sender<PluginInfoClient>,
+            remoc::rch::base::Receiver<()>,
+        ) = Connect::io(remoc::Cfg::default(), stdin(), stdout())
+            .await
+            .unwrap();
+
+        let (server, client) = PluginInfoServer::new(plugin_info, 1);
+
+        let (res1, (_, res2), res3) = tokio::join!(tx.send(client), server.serve(), conn);
+        let mut exit_code = 0;
+        if let Err(err) = res1 {
+            eprintln!("ERROR could not send plugin info to reaction: {err}");
+            exit_code = 1;
+        }
+        if let Err(err) = res2 {
+            eprintln!("ERROR could not launch plugin service for reaction: {err}");
+            exit_code = 2;
+        }
+        if let Err(err) = res3 {
+            eprintln!("ERROR connection error with reaction: {err}");
+            exit_code = 3;
+        }
+        exit(exit_code);
+    }
+}
+
+// Errors
+
+pub type RemoteResult<T> = Result<T, RemoteError>;
+
+/// reaction-plugin's Error type.
+#[derive(Debug, Serialize, Deserialize)]
+pub enum RemoteError {
+    /// A connection error that origins from [`remoc`], the crate used for communication on the plugin's `stdin`/`stdout`.
+    ///
+    /// You should not instantiate this type of error yourself.
+    Remoc(rtc::CallError),
+    /// A free String for application-specific errors.
+    ///
+    /// You should only instantiate this type of error yourself, for any error that you encounter at startup and shutdown.
+    ///
+    /// Otherwise, any error during the plugin's runtime should be logged to stderr, see [`crate#Errors`] for error handling recommandations.
+    Plugin(String),
+}
+
+impl Display for RemoteError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            RemoteError::Remoc(call_error) => write!(f, "communication error: {call_error}"),
+            RemoteError::Plugin(err) => write!(f, "{err}"),
+        }
+    }
+}
+
+impl Error for RemoteError {}
+
+impl From<String> for RemoteError {
+    fn from(value: String) -> Self {
+        Self::Plugin(value)
+    }
+}
+
+impl From<&str> for RemoteError {
+    fn from(value: &str) -> Self {
+        Self::Plugin(value.into())
+    }
+}
+
+impl From<rtc::CallError> for RemoteError {
+    fn from(value: rtc::CallError) -> Self {
+        Self::Remoc(value)
+    }
+}
diff --git a/plugins/reaction-plugin/src/line.rs b/plugins/reaction-plugin/src/line.rs
new file mode 100644
index 0000000..7b315d0
--- /dev/null
+++ b/plugins/reaction-plugin/src/line.rs
@@ -0,0 +1,237 @@
+//! Helper module that permits to use templated lines (ie. `bad password for <ip>`), like in Stream's and Action's `cmd`.
+//!
+//! Corresponding reaction core settings:
+//! - [Stream's `cmd`](https://reaction.ppom.me/reference.html#cmd)
+//! - [Action's `cmd`](https://reaction.ppom.me/reference.html#cmd-1)
+//!
+#[derive(Debug, PartialEq, Eq)]
+enum SendItem {
+    Index(usize),
+    Str(String),
+}
+
+impl SendItem {
+    fn min_size(&self) -> usize {
+        match self {
+            Self::Index(_) => 0,
+            Self::Str(s) => s.len(),
+        }
+    }
+}
+
+/// Helper struct that permits to transform a template line with patterns into an instantiated line from a match.
+///
+/// Useful when you permit the user to reconstruct lines from an action, like in reaction's native actions and in the virtual plugin:
+/// ```yaml
+/// actions:
+///   native:
+///     cmd: ["iptables", "...", "<ip>"]
+///
+///   virtual:
+///     type: virtual
+///     options:
+///       send: "<ip>: bad password on user <user>"
+///       to: "my_virtual_stream"
+/// ```
+///
+/// Usage example:
+/// ```
+/// # use reaction_plugin::line::PatternLine;
+/// #
+/// let template = "<ip>: bad password on user <user>".to_string();
+/// let patterns = vec!["ip".to_string(), "user".to_string()];
+/// let pattern_line = PatternLine::new(template, patterns);
+///
+/// assert_eq!(
+///   pattern_line.line(vec!["1.2.3.4".to_string(), "root".to_string()]),
+///   "1.2.3.4: bad password on user root".to_string(),
+/// );
+/// ```
+///
+/// You can find full examples in those plugins:
+/// `reaction-plugin-virtual`,
+/// `reaction-plugin-cluster`.
+///
+#[derive(Debug)]
+pub struct PatternLine {
+    line: Vec<SendItem>,
+    min_size: usize,
+}
+
+impl PatternLine {
+    /// Construct [`PatternLine`] from a template line and the list of patterns of the underlying [Filter](https://reaction.ppom.me/reference.html#filter).
+    ///
+    /// This list of patterns comes from [`super::ActionConfig`].
+    pub fn new(template: String, patterns: Vec<String>) -> Self {
+        let line = Self::_from(patterns, Vec::from([SendItem::Str(template)]));
+        Self {
+            min_size: line.iter().map(SendItem::min_size).sum(),
+            line,
+        }
+    }
+    fn _from(mut patterns: Vec<String>, acc: Vec<SendItem>) -> Vec<SendItem> {
+        match patterns.pop() {
+            None => acc,
+            Some(pattern) => {
+                let enclosed_pattern = format!("<{pattern}>");
+                let acc = acc
+                    .into_iter()
+                    .flat_map(|item| match &item {
+                        SendItem::Index(_) => vec![item],
+                        SendItem::Str(str) => match str.find(&enclosed_pattern) {
+                            Some(i) => {
+                                let pattern_index = patterns.len();
+                                let mut ret = vec![];
+
+                                let (left, mid) = str.split_at(i);
+                                if !left.is_empty() {
+                                    ret.push(SendItem::Str(left.into()))
+                                }
+
+                                ret.push(SendItem::Index(pattern_index));
+
+                                if mid.len() > enclosed_pattern.len() {
+                                    let (_, right) = mid.split_at(enclosed_pattern.len());
+                                    ret.push(SendItem::Str(right.into()))
+                                }
+
+                                ret
+                            }
+                            None => vec![item],
+                        },
+                    })
+                    .collect();
+                Self::_from(patterns, acc)
+            }
+        }
+    }
+
+    pub fn line(&self, match_: Vec<String>) -> String {
+        let mut res = String::with_capacity(self.min_size);
+        for item in &self.line {
+            match item {
+                SendItem::Index(i) => {
+                    if let Some(element) = match_.get(*i) {
+                        res.push_str(element);
+                    }
+                }
+                SendItem::Str(str) => res.push_str(str),
+            }
+        }
+        res
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::line::{PatternLine, SendItem};
+
+    #[test]
+    fn line_0_pattern() {
+        let msg = "my message".to_string();
+        let line = PatternLine::new(msg.clone(), vec![]);
+        assert_eq!(line.line, vec![SendItem::Str(msg.clone())]);
+        assert_eq!(line.min_size, msg.len());
+        assert_eq!(line.line(vec![]), msg.clone());
+    }
+
+    #[test]
+    fn line_1_pattern() {
+        let patterns = vec![
+            "ignored".into(),
+            "oh".into(),
+            "ignored".into(),
+            "my".into(),
+            "test".into(),
+        ];
+
+        let matches = vec!["yay", "oh", "my", "test", "<oh>", "<my>", "<test>"];
+
+        let tests = [
+            (
+                "<oh> my test",
+                1,
+                vec![SendItem::Index(1), SendItem::Str(" my test".into())],
+                vec![
+                    ("yay", "yay my test"),
+                    ("oh", "oh my test"),
+                    ("my", "my my test"),
+                    ("test", "test my test"),
+                    ("<oh>", "<oh> my test"),
+                    ("<my>", "<my> my test"),
+                    ("<test>", "<test> my test"),
+                ],
+            ),
+            (
+                "oh <my> test",
+                3,
+                vec![
+                    SendItem::Str("oh ".into()),
+                    SendItem::Index(3),
+                    SendItem::Str(" test".into()),
+                ],
+                vec![
+                    ("yay", "oh yay test"),
+                    ("oh", "oh oh test"),
+                    ("my", "oh my test"),
+                    ("test", "oh test test"),
+                    ("<oh>", "oh <oh> test"),
+                    ("<my>", "oh <my> test"),
+                    ("<test>", "oh <test> test"),
+                ],
+            ),
+            (
+                "oh my <test>",
+                4,
+                vec![SendItem::Str("oh my ".into()), SendItem::Index(4)],
+                vec![
+                    ("yay", "oh my yay"),
+                    ("oh", "oh my oh"),
+                    ("my", "oh my my"),
+                    ("test", "oh my test"),
+                    ("<oh>", "oh my <oh>"),
+                    ("<my>", "oh my <my>"),
+                    ("<test>", "oh my <test>"),
+                ],
+            ),
+        ];
+
+        for (msg, index, expected_pl, lines) in tests {
+            let pattern_line = PatternLine::new(msg.to_string(), patterns.clone());
+            assert_eq!(pattern_line.line, expected_pl);
+
+            for (match_element, line) in lines {
+                for match_default in &matches {
+                    let mut match_ = vec![
+                        match_default.to_string(),
+                        match_default.to_string(),
+                        match_default.to_string(),
+                        match_default.to_string(),
+                        match_default.to_string(),
+                    ];
+                    match_[index] = match_element.to_string();
+                    assert_eq!(
+                        pattern_line.line(match_.clone()),
+                        line,
+                        "match: {match_:?}, pattern_line: {pattern_line:?}"
+                    );
+                }
+            }
+        }
+    }
+
+    #[test]
+    fn line_2_pattern() {
+        let pattern_line = PatternLine::new("<a> ; <b>".into(), vec!["a".into(), "b".into()]);
+
+        let matches = ["a", "b", "ab", "<a>", "<b>"];
+        for a in &matches {
+            for b in &matches {
+                assert_eq!(
+                    pattern_line.line(vec![a.to_string(), b.to_string()]),
+                    format!("{a} ; {b}"),
+                );
+            }
+        }
+    }
+}
diff --git a/plugins/reaction-plugin/src/shutdown.rs b/plugins/reaction-plugin/src/shutdown.rs
new file mode 100644
index 0000000..fb4bb40
--- /dev/null
+++ b/plugins/reaction-plugin/src/shutdown.rs
@@ -0,0 +1,162 @@
+//! Helper module that provides structures to ease the quitting process when having multiple tokio tasks.
+//!
+//! It defines a [`ShutdownController`], that permits to keep track of ongoing tasks, ask them to shutdown and wait for all of them to quit.
+//!
+//! You can have it as an attribute of your plugin struct.
+//! ```
+//! struct MyPlugin {
+//!   shutdown: ShutdownController
+//! }
+//! ```
+//!
+//! You can then give a [`ShutdownToken`] to other tasks when creating them:
+//!
+//! ```
+//! impl PluginInfo for MyPlugin {
+//!     async fn start(&mut self) -> RemoteResult<()> {
+//!         let token = self.shutdown.token();
+//!
+//!         tokio::spawn(async move {
+//!            token.wait().await;
+//!            eprintln!("DEBUG shutdown asked to quit, now quitting")
+//!         })
+//!     }
+//! }
+//! ```
+//!
+//! On closing, calling [`ShutdownController::ask_shutdown`] will inform all tasks waiting on [`ShutdownToken::wait`] that it's time to leave.
+//! Then we can wait for [`ShutdownController::wait_all_task_shutdown`] to complete.
+//!
+//! ```
+//! impl PluginInfo for MyPlugin {
+//!     async fn close(self) -> RemoteResult<()> {
+//!         self.shutdown.ask_shutdown();
+//!         self.shutdown.wait_all_task_shutdown().await;
+//!         Ok(())
+//!     }
+//! }
+//! ```
+//!
+//! [`ShutdownDelegate::handle_quit_signals`] permits to handle SIGHUP, SIGINT and SIGTERM by gracefully shutting down tasks.
+
+use tokio::signal::unix::{SignalKind, signal};
+use tokio_util::{
+    sync::{CancellationToken, WaitForCancellationFuture},
+    task::task_tracker::{TaskTracker, TaskTrackerToken},
+};
+
+/// Permits to keep track of ongoing tasks, ask them to shutdown and wait for all of them to quit.
+/// Stupid wrapper around [`tokio_util::sync::CancellationToken`] and [`tokio_util::task::task_tracker::TaskTracker`].
+#[derive(Default, Clone)]
+pub struct ShutdownController {
+    shutdown_notifyer: CancellationToken,
+    task_tracker: TaskTracker,
+}
+
+impl ShutdownController {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    /// Ask for all tasks to quit
+    pub fn ask_shutdown(&self) {
+        self.shutdown_notifyer.cancel();
+        self.task_tracker.close();
+    }
+
+    /// Wait for all tasks to quit.
+    /// This task may return even without having called [`ShutdownController::ask_shutdown`]
+    /// first, if all tasks quit by themselves.
+    pub async fn wait_all_task_shutdown(self) {
+        self.task_tracker.close();
+        self.task_tracker.wait().await;
+    }
+
+    /// Returns a new shutdown token, to be held by a task.
+    pub fn token(&self) -> ShutdownToken {
+        ShutdownToken::new(self.shutdown_notifyer.clone(), self.task_tracker.token())
+    }
+
+    /// Returns a [`ShutdownDelegate`], which is able to ask for shutdown,
+    /// without counting as a task that needs to be awaited.
+    pub fn delegate(&self) -> ShutdownDelegate {
+        ShutdownDelegate(self.shutdown_notifyer.clone())
+    }
+
+    /// Returns a future that will resolve only when a shutdown request happened.
+    pub fn wait(&self) -> WaitForCancellationFuture<'_> {
+        self.shutdown_notifyer.cancelled()
+    }
+}
+
+/// Permits to ask for shutdown, without counting as a task that needs to be awaited.
+pub struct ShutdownDelegate(CancellationToken);
+
+impl ShutdownDelegate {
+    /// Ask for all tasks to quit
+    pub fn ask_shutdown(&self) {
+        self.0.cancel();
+    }
+
+    /// Ensure [`Self::ask_shutdown`] is called whenever we receive SIGHUP,
+    /// SIGTERM or SIGINT. Spawns a task that consumes self.
+    pub fn handle_quit_signals(self) -> Result<(), String> {
+        let err_str = |err| format!("could not register signal: {err}");
+
+        let mut sighup = signal(SignalKind::hangup()).map_err(err_str)?;
+        let mut sigint = signal(SignalKind::interrupt()).map_err(err_str)?;
+        let mut sigterm = signal(SignalKind::terminate()).map_err(err_str)?;
+
+        tokio::spawn(async move {
+            let signal = tokio::select! {
+                _ = sighup.recv() => "SIGHUP",
+                _ = sigint.recv() => "SIGINT",
+                _ = sigterm.recv() => "SIGTERM",
+            };
+            eprintln!("received {signal}, closing...");
+            self.ask_shutdown();
+        });
+        Ok(())
+    }
+}
+
+/// Created by a [`ShutdownController`].
+/// Serves two purposes:
+///
+/// - Wait for a shutdown request to happen with [`Self::wait`]
+/// - Keep track of the current task. While this token is held,
+///   [`ShutdownController::wait_all_task_shutdown`] will block.
+#[derive(Clone)]
+pub struct ShutdownToken {
+    shutdown_notifyer: CancellationToken,
+    _task_tracker_token: TaskTrackerToken,
+}
+
+impl ShutdownToken {
+    fn new(shutdown_notifyer: CancellationToken, _task_tracker_token: TaskTrackerToken) -> Self {
+        Self {
+            shutdown_notifyer,
+            _task_tracker_token,
+        }
+    }
+
+    /// Returns underlying [`CancellationToken`] and [`TaskTrackerToken`], consuming self.
+    pub fn split(self) -> (CancellationToken, TaskTrackerToken) {
+        (self.shutdown_notifyer, self._task_tracker_token)
+    }
+
+    /// Returns a future that will resolve only when a shutdown request happened.
+    pub fn wait(&self) -> WaitForCancellationFuture<'_> {
+        self.shutdown_notifyer.cancelled()
+    }
+
+    /// Returns true if the shutdown request happened
+    pub fn is_shutdown(&self) -> bool {
+        self.shutdown_notifyer.is_cancelled()
+    }
+
+    /// Ask for all tasks to quit
+    pub fn ask_shutdown(&self) {
+        self.shutdown_notifyer.cancel();
+    }
+}
diff --git a/plugins/reaction-plugin/src/time.rs b/plugins/reaction-plugin/src/time.rs
new file mode 100644
index 0000000..60f5914
--- /dev/null
+++ b/plugins/reaction-plugin/src/time.rs
@@ -0,0 +1,76 @@
+//! This module provides [`parse_duration`], which parses duration in reaction's format (ie. `6h`, `3 days`)
+//!
+//! Like in those reaction core settings:
+//! - [Filters' `retryperiod`](https://reaction.ppom.me/reference.html#retryperiod)
+//! - [Actions' `after`](https://reaction.ppom.me/reference.html#after).
+
+use std::time::Duration;
+
+/// Parses the &str argument as a Duration
+/// Returns Ok(Duration) if successful, or Err(String).
+///
+/// Format is defined as follows: `<integer> <unit>`
+/// - whitespace between the integer and unit is optional
+/// - integer must be positive (>= 0)
+/// - unit can be one of:
+///   - `ms` / `millis` / `millisecond` / `milliseconds`
+///   - `s` / `sec` / `secs` / `second` / `seconds`
+///   - `m` / `min` / `mins` / `minute` / `minutes`
+///   - `h` / `hour` / `hours`
+///   - `d` / `day` / `days`
+pub fn parse_duration(d: &str) -> Result<Duration, String> {
+    let d_trimmed = d.trim();
+    let chars = d_trimmed.as_bytes();
+    let mut value = 0;
+    let mut i = 0;
+    while i < chars.len() && chars[i].is_ascii_digit() {
+        value = value * 10 + (chars[i] - b'0') as u32;
+        i += 1;
+    }
+    if i == 0 {
+        return Err(format!("duration '{}' doesn't start with digits", d));
+    }
+    let ok_as = |func: fn(u64) -> Duration| -> Result<_, String> { Ok(func(value as u64)) };
+
+    match d_trimmed[i..].trim() {
+        "ms" | "millis" | "millisecond" | "milliseconds" => ok_as(Duration::from_millis),
+        "s" | "sec" | "secs" | "second" | "seconds" => ok_as(Duration::from_secs),
+        "m" | "min" | "mins" | "minute" | "minutes" => ok_as(Duration::from_mins),
+        "h" | "hour" | "hours" => ok_as(Duration::from_hours),
+        "d" | "day" | "days" => ok_as(|d: u64| Duration::from_hours(d * 24)),
+        unit => Err(format!(
+            "unit {} not recognised. must be one of s/sec/seconds, m/min/minutes, h/hours, d/days",
+            unit
+        )),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+
+    #[test]
+    fn char_conversion() {
+        assert_eq!(b'9' - b'0', 9);
+    }
+
+    #[test]
+    fn parse_duration_test() {
+        assert_eq!(parse_duration("1s"), Ok(Duration::from_secs(1)));
+        assert_eq!(parse_duration("12s"), Ok(Duration::from_secs(12)));
+        assert_eq!(parse_duration("  12  secs  "), Ok(Duration::from_secs(12)));
+        assert_eq!(parse_duration("2m"), Ok(Duration::from_mins(2)));
+        assert_eq!(parse_duration("6 hours"), Ok(Duration::from_hours(6)));
+        assert_eq!(parse_duration("1d"), Ok(Duration::from_hours(1 * 24)));
+        assert_eq!(parse_duration("365d"), Ok(Duration::from_hours(365 * 24)));
+
+        assert!(parse_duration("d 3").is_err());
+        assert!(parse_duration("d3").is_err());
+        assert!(parse_duration("3da").is_err());
+        assert!(parse_duration("3_days").is_err());
+        assert!(parse_duration("_3d").is_err());
+        assert!(parse_duration("3 3d").is_err());
+        assert!(parse_duration("3.3d").is_err());
+    }
+}
diff --git a/reaction.go b/reaction.go
deleted file mode 100644
index 860a129..0000000
--- a/reaction.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package main
-
-import (
-	"framagit.org/ppom/reaction/app"
-)
-
-func main() {
-	app.Main(version, commit)
-}
-
-var (
-	// Must be passed when building
-	// go build -ldflags "-X app.commit XXX -X app.version XXX"
-	version string
-	commit  string
-)
diff --git a/release.py b/release.py
new file mode 100644
index 0000000..8359c7a
--- /dev/null
+++ b/release.py
@@ -0,0 +1,360 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i python3 -p "python3.withPackages (ps: with ps; [ requests ])" -p debian-devscripts git minisign docker cargo-deb
+import argparse
+import http.client
+import json
+import os
+import shutil
+import subprocess
+import sys
+import tempfile
+
+
+def run_command(args, **kwargs):
+    print(f"\033[36mCMD: {args}\033[0m")
+    cmd = subprocess.run(args, **kwargs)
+    if cmd.returncode != 0:
+        print(f"\033[31mCMD failed with exit code {cmd.returncode}\033[0m")
+        sys.exit(1)
+    return cmd
+
+
+def main():
+    # CLI arguments
+    parser = argparse.ArgumentParser(description="create a reaction release")
+    parser.add_argument(
+        "-p",
+        "--publish",
+        action="store_true",
+        help="publish a release. else build only",
+    )
+    args = parser.parse_args()
+
+    root_dir = os.getcwd()
+
+    # Git tag
+    cmd = run_command(
+        ["git", "tag", "--sort=-creatordate"], capture_output=True, text=True
+    )
+    tag = ""
+    try:
+        tag = cmd.stdout.strip().split("\n")[0]
+    except Exception:
+        pass
+    if tag == "":
+        print("could not retrieve last git tag.")
+        sys.exit(1)
+
+    # Ask user
+    if (
+        args.publish
+        and input(
+            f"We will create a release for tag {tag}. Do you want to continue? (y/n) "
+        )
+        != "y"
+    ):
+        print("exiting.")
+        sys.exit(1)
+
+    # Minisign password
+    cmd = subprocess.run(["rbw", "get", "minisign"], capture_output=True, text=True)
+    minisign_password = cmd.stdout
+
+    if args.publish:
+        # Git push
+        run_command(["git", "push", "--tags"])
+
+        # Create directory
+        run_command(
+            [
+                "ssh",
+                "akesi",
+                # "-J", "pica01",
+                "mkdir",
+                "-p",
+                f"/var/www/static/reaction/releases/{tag}/",
+            ]
+        )
+    else:
+        # Prepare directory for tarball and deb file.
+        # We must do a `cargo clean` before each build,
+        # So we have to move them out of `target/`
+        local_dir = os.path.join(root_dir, "local")
+        try:
+            os.mkdir(local_dir)
+        except FileExistsError:
+            pass
+
+    architectures = {
+        "x86_64-unknown-linux-gnu": "amd64",
+        # I would like to build for those targets instead:
+        # "x86_64-unknown-linux-musl": "amd64",
+        # "aarch64-unknown-linux-musl": "arm64",
+        # "arm-unknown-linux-gnueabihf": "armhf",
+    }
+
+    all_files = []
+
+    instructions = [
+        "## Changes",
+        """
+## Instructions
+
+You'll need to install minisign to check the authenticity of the package.
+
+After installing reaction, create your configuration file(s) in JSON, YAML or JSONnet in the
+`/etc/reaction/` directory.
+See <https://reaction.ppom.me> for documentation.
+
+Reload systemd:
+```bash
+$ sudo systemctl daemon-reload
+```
+
+Then enable and start reaction with this command
+```bash
+# write first your configuration file(s) in /etc/reaction/
+$ sudo systemctl enable --now reaction.service
+```
+""".strip(),
+    ]
+
+    for architecture_rs, architecture_pretty in architectures.items():
+        # Cargo clean
+        # run_command(["cargo", "clean"])
+
+        # Build docker image
+        run_command(["docker", "pull", "rust:bookworm"])
+        run_command(["docker", "build", "-t", "rust:reaction", "."])
+
+        binaries = [
+            # Binaries
+            "reaction",
+            "reaction-plugin-virtual",
+            "reaction-plugin-ipset",
+        ]
+
+        # Build
+        run_command(
+            [
+                "docker",
+                "run",
+                "--rm",
+                "-u", str(os.getuid()),
+                "-v", ".:/reaction",
+                "rust:reaction",
+                "sh", "-c",
+                " && ".join([
+                    f"cargo build --release --target {architecture_rs} --package {binary}"
+                    for binary in binaries
+                ])
+            ]
+        )
+
+        # Build .deb
+        debs = [
+            "reaction",
+            "reaction-plugin-ipset",
+        ]
+        for deb in debs:
+            cmd = run_command(
+                [
+                    "cargo-deb",
+                    "--target", architecture_rs,
+                    "--package", deb,
+                    "--no-build",
+                    "--no-strip"
+                ]
+            )
+
+        deb_dir = os.path.join("./target", architecture_rs, "debian")
+        deb_names = [f for f in os.listdir(deb_dir) if f.endswith(".deb")]
+        deb_paths = [os.path.join(deb_dir, deb_name) for deb_name in deb_names]
+
+        # Archive
+        files_path = os.path.join("./target", architecture_rs, "release")
+        pkg_name = f"reaction-{tag}-{architecture_pretty}"
+        tar_name = f"{pkg_name}.tar.gz"
+        tar_path = os.path.join(files_path, tar_name)
+
+        os.chdir(files_path)
+        try:
+            os.mkdir(pkg_name)
+        except FileExistsError:
+            pass
+
+        files = binaries + [
+            # Shell completion
+            "reaction.bash",
+            "reaction.fish",
+            "_reaction",
+            # Man pages
+            "reaction.1",
+            "reaction-flush.1",
+            "reaction-show.1",
+            "reaction-start.1",
+            "reaction-test-regex.1",
+            "reaction-test-config.1",
+        ]
+        for file in files:
+            shutil.copy(file, pkg_name)
+
+        makefile = os.path.join(root_dir, "packaging", "Makefile")
+        shutil.copy(makefile, pkg_name)
+
+        systemd = os.path.join(root_dir, "config", "reaction.service")
+        shutil.copy(systemd, pkg_name)
+
+        run_command(["tar", "czf", tar_name, pkg_name])
+
+        os.chdir(root_dir)
+
+        # Sign
+        run_command(
+            ["minisign", "-Sm", tar_path] + deb_paths,
+            text=True,
+            input=minisign_password,
+        )
+        deb_sig_paths = [f"{deb_path}.minisig" for deb_path in deb_paths]
+        deb_sig_names = [f"{deb_name}.minisig" for deb_name in deb_names]
+        tar_sig = f"{tar_path}.minisig"
+
+        if args.publish:
+            # Push
+            run_command(
+                [
+                    "rsync",
+                    "-az",  # "-e", "ssh -J pica01",
+                    tar_path,
+                    tar_sig,
+                ]
+                    + deb_paths
+                    + deb_sig_paths
+                    + [
+                    f"akesi:/var/www/static/reaction/releases/{tag}/",
+                ]
+            )
+        else:
+            # Copy
+            run_command(["cp", tar_path, tar_sig] + deb_paths + deb_sig_paths + [local_dir])
+
+        all_files.extend([tar_path, tar_sig])
+        all_files.extend(deb_paths)
+        all_files.extend(deb_sig_paths)
+
+        # Instructions
+
+        instructions.append(
+            f"""
+## Tar installation ({architecture_pretty} linux)
+
+```bash
+curl -O https://static.ppom.me/reaction/releases/{tag}/{tar_name} \\
+     -O https://static.ppom.me/reaction/releases/{tag}/{tar_name}.minisig \\
+        && minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m {tar_name} \\
+        && rm {tar_name}.minisig \\
+        && tar xvf {tar_name} \\
+        && cd {pkg_name} \\
+        && sudo make install
+```
+
+If you want to install the ipset plugin as well:
+```bash
+sudo apt install -y libipset-dev && sudo make install-ipset
+```
+""".strip()
+        )
+
+        instructions.append(
+            f"""
+## Debian installation ({architecture_pretty} linux)
+
+```bash
+curl \\
+{"\n".join([
+    f"    -O https://static.ppom.me/reaction/releases/{tag}/{deb_name} \\"
+    for deb_name in deb_names + deb_sig_names
+])}
+{"\n".join([
+    f"        && minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m {deb_name} \\"
+    for deb_name in deb_names
+])}
+        && rm {" ".join(deb_sig_names)} \\
+        && sudo apt install {" ".join([f"./{deb_name}" for deb_name in deb_names])}
+```
+
+*You can also use [this third-party package repository](https://packages.azlux.fr).*
+""".strip()
+        )
+
+    if not args.publish:
+        print("\n\n".join(instructions))
+        return
+
+    # Release
+    cmd = run_command(
+        ["rbw", "get", "framagit.org", "token"], capture_output=True, text=True
+    )
+    token = cmd.stdout.strip()
+    if token == "":
+        print("Could not retrieve token")
+        sys.exit(1)
+
+    # Make user edit the description
+    tmpdir = tempfile.TemporaryDirectory()
+    desc_path = tmpdir.name + "/description.md"
+    with open(desc_path, "w+") as desc_file:
+        desc_file.write("\n\n".join(instructions))
+    run_command(["vi", desc_path])
+
+    with open(desc_path) as desc_file:
+        description = desc_file.read().strip()
+
+    if description == "":
+        print()
+        print("User deleted emptied description, exiting.")
+        sys.exit(1)
+
+    # Construct JSON payload
+    files = [os.path.basename(file) for file in all_files]
+    data = {
+        "tag_name": tag,
+        "description": description,
+        "assets": {
+            "links": [
+                {
+                    "url": "https://"
+                    + f"static.ppom.me/reaction/releases/{tag}/{os.path.basename(file)}".replace(
+                        "//", "/"
+                    ),
+                    "name": file,
+                    "link_type": "other" if file.endswith(".minisig") else "package",
+                }
+                for file in files
+            ]
+        },
+    }
+
+    body = json.dumps(data)
+    print(body)
+
+    # Send POST request
+    headers = {
+        "Host": "framagit.org",
+        "Content-Type": "application/json",
+        "PRIVATE-TOKEN": token,
+    }
+
+    conn = http.client.HTTPSConnection("framagit.org")
+    conn.request("POST", "/api/v4/projects/90566/releases", body=body, headers=headers)
+    response = conn.getresponse()
+    body = json.loads(response.read())
+
+    if response.status != 201:
+        print(
+            f"sending message failed: status: {response.status}, reason: {response.reason}, message: {body.message}"
+        )
+        sys.exit(1)
+
+
+main()
diff --git a/release.sh b/release.sh
deleted file mode 100755
index c7bb13b..0000000
--- a/release.sh
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/usr/bin/env bash
-
-set -exu
-
-git push --tags
-
-TAG="$(git tag --sort=v:refname | tail -n1)"
-
-docker run -it --rm -e HOME=/tmp/ -v "$(pwd)":/tmp/code -w /tmp/code golang:1.21-bullseye sh -c "git config --global --add safe.directory . && make reaction_${TAG:1}-1_amd64.deb reaction ip46tables nft46"
-
-make "signatures_${TAG:1}"
-
-rsync -avz -e 'ssh -J pica01' ./ip46tables ./nft46 ./reaction ./reaction_${TAG:1}-1_amd64.deb ./nft46.minisig ./ip46tables.minisig ./reaction.minisig ./reaction_${TAG:1}-1_amd64.deb.minisig akesi:/var/www/static/reaction/releases/"$TAG"
-
-TOKEN="$(rbw get framagit.org token)"
-
-DATA='{
-"tag_name":"'"$TAG"'",
-"description": "**Changes**\n\n**Download**\n\n```bash\nwget https://static.ppom.me/reaction/releases/'"$TAG"'/nft46 \\\n     https://static.ppom.me/reaction/releases/'"$TAG"'/reaction \\\n     https://static.ppom.me/reaction/releases/'"$TAG"'/ip46tables \\\n     https://static.ppom.me/reaction/releases/'"$TAG"'/nft46.minisig \\\n     https://static.ppom.me/reaction/releases/'"$TAG"'/reaction.minisig \\\n     https://static.ppom.me/reaction/releases/'"$TAG"'/ip46tables.minisig\nfor i in nft46 ip46tables reaction; do\n    minisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m $i &&\n      rm $i.minisig\ndone\n```\n\n**Debian Installation**\n\n```bash\nwget https://static.ppom.me/reaction/releases/'"$TAG"'/reaction_'"${TAG:1}"'-1_amd64.deb \\\n     https://static.ppom.me/reaction/releases/'"$TAG"'/reaction_'"${TAG:1}"'-1_amd64.deb.minisig\nminisign -VP RWSpLTPfbvllNqRrXUgZzM7mFjLUA7PQioAItz80ag8uU4A2wtoT2DzX -m reaction_'"${TAG:1}"'-1_amd64.deb &&\n  rm reaction_'"${TAG:1}"'-1_amd64.deb.minisig &&\n  apt install ./reaction_'"${TAG:1}"'-1_amd64.deb\n```",
-"assets":{"links":[
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/nft46", "name": "nft46 (x86-64)", "link_type": "package"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/reaction", "name": "reaction (x86-64)", "link_type": "package"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/ip46tables", "name": "ip46tables (x86-64)", "link_type": "package"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/reaction_'"${TAG:1}"'-1_amd64.deb", "name": "reaction_'"${TAG:1}"'-1_amd64.deb (x86-64)", "link_type": "package"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/nft46.minisig", "name": "nft46.minisig", "link_type": "other"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/reaction.minisig", "name": "reaction.minisig", "link_type": "other"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/ip46tables.minisig", "name": "ip46tables.minisig", "link_type": "other"},
-{"url": "https://static.ppom.me/reaction/releases/'"$TAG"'/reaction_'"${TAG:1}"'-1_amd64.deb.minisig", "name": "reaction_'"${TAG:1}"'-1_amd64.deb.minisig", "link_type": "other"}
-]}}'
-
-curl \
-	--fail-with-body \
-	--location \
-	-X POST \
-	-H 'Content-Type: application/json' \
-	-H "PRIVATE-TOKEN: $TOKEN" \
-	'https://framagit.org/api/v4/projects/90566/releases' \
-	--data "$DATA"
-
-make clean
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..ecb4318
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,14 @@
+# This shell.nix for NixOS users is only needed when building reaction-plugin-ipset
+with import <nixpkgs> {};
+pkgs.mkShell {
+  name = "libipset";
+  buildInputs = [
+    ipset
+    nftables
+    clang
+  ];
+  src = null;
+  shellHook = ''
+    export LIBCLANG_PATH="$(clang -print-file-name=libclang.so)"
+  '';
+}
diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..fd00aab
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,173 @@
+use std::{fmt, path::PathBuf};
+
+use clap::{Parser, Subcommand, ValueEnum};
+use regex::Regex;
+use tracing::Level;
+
+#[derive(Parser)]
+#[clap(version)]
+#[command(
+    name = "reaction",
+    about = "Scan logs and take action",
+    long_about = "A daemon that scans program outputs for repeated patterns, and takes action.
+Aims at being more versatile and flexible than fail2ban, while being faster and having simpler configuration.
+
+See usage examples, service configurations and good practices
+on the wiki: https://reaction.ppom.me
+"
+)]
+pub struct Cli {
+    #[clap(subcommand)]
+    pub command: SubCommand,
+}
+
+#[derive(Subcommand)]
+pub enum SubCommand {
+    /// Start reaction daemon
+    Start {
+        /// configuration file in json, jsonnet or yaml format, or directory containing those files. required.
+        #[clap(short = 'c', long)]
+        config: PathBuf,
+
+        /// minimum log level to show
+        #[clap(short = 'l', long, value_parser = parse_log_level, default_value_t = Level::INFO, ignore_case = true)]
+        loglevel: Level,
+
+        /// path to the client-daemon communication socket
+        #[clap(short = 's', long, default_value = "/run/reaction/reaction.sock")]
+        socket: PathBuf,
+    },
+
+    /// Show current matches and actions
+    #[command(
+        long_about = "Show current matches and which actions are still to be run (e.g. know what is currently banned"
+    )]
+    Show {
+        /// path to the client-daemon communication socket
+        #[clap(short = 's', long, default_value = "/run/reaction/reaction.sock")]
+        socket: PathBuf,
+
+        /// how to format output
+        #[clap(short = 'f', long, default_value_t = Format::YAML)]
+        format: Format,
+
+        /// only show items related to this STREAM[.FILTER]
+        #[clap(short = 'l', long, value_name = "STREAM[.FILTER]")]
+        limit: Option<String>,
+
+        /// only show items matching name=PATTERN regex
+        #[clap(value_parser = parse_named_regex, value_name = "NAME=PATTERN")]
+        patterns: Vec<(String, String)>,
+    },
+
+    /// Remove a target from reaction (e.g. unban)
+    #[command(
+        long_about = "Remove currently active matches and run currently pending actions for the specified TARGET. (e.g. unban)
+Then prints the flushed matches and actions."
+    )]
+    Flush {
+        /// path to the client-daemon communication socket
+        #[clap(short = 's', long, default_value = "/run/reaction/reaction.sock")]
+        socket: PathBuf,
+
+        /// how to format output
+        #[clap(short = 'f', long, default_value_t = Format::YAML)]
+        format: Format,
+
+        /// only show items related to this STREAM[.FILTER]
+        #[clap(short = 'l', long, value_name = "STREAM[.FILTER]")]
+        limit: Option<String>,
+
+        /// only show items matching name=PATTERN regex
+        #[clap(value_parser = parse_named_regex, value_name = "NAME=PATTERN")]
+        patterns: Vec<(String, String)>,
+    },
+
+    /// Trigger a target in reaction (e.g. ban)
+    #[command(
+        long_about = "Trigger actions and remove currently active matches for the specified PATTERNS in the specified STREAM.FILTER. (e.g. ban)"
+    )]
+    Trigger {
+        /// path to the client-daemon communication socket
+        #[clap(short = 's', long, default_value = "/run/reaction/reaction.sock")]
+        socket: PathBuf,
+
+        /// STREAM.FILTER to trigger
+        #[clap(value_name = "STREAM.FILTER")]
+        limit: String,
+
+        /// PATTERNs to trigger on (e.g. ip=1.2.3.4)
+        #[clap(value_parser = parse_named_regex, value_name = "NAME=PATTERN")]
+        patterns: Vec<(String, String)>,
+    },
+
+    /// Test a regex
+    #[command(
+        name = "test-regex",
+        long_about = "Test a REGEX against one LINE, or against standard input.
+Giving a configuration file permits to use its patterns in REGEX."
+    )]
+    TestRegex {
+        /// configuration file in json, jsonnet or yaml format, or directory containing those files. required.
+        #[clap(short = 'c', long)]
+        config: PathBuf,
+
+        /// Regex to test
+        #[clap(value_name = "REGEX")]
+        regex: String,
+
+        /// Line to be tested
+        #[clap(value_name = "LINE")]
+        line: Option<String>,
+    },
+    /// Test your configuration
+    TestConfig {
+        /// either a configuration file in json, jsonnet or yaml format, or a directory containing those files. required.
+        #[clap(short = 'c', long)]
+        config: PathBuf,
+
+        /// how to format output
+        #[clap(short = 'f', long, default_value_t = Format::YAML)]
+        format: Format,
+
+        /// whether to output additional information
+        #[clap(short = 'v', long, default_value_t = false)]
+        verbose: bool,
+    },
+}
+
+// Enums
+
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug, ValueEnum)]
+pub enum Format {
+    JSON,
+    YAML,
+}
+
+impl fmt::Display for Format {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            Format::JSON => write!(f, "json"),
+            Format::YAML => write!(f, "yaml"),
+        }
+    }
+}
+
+fn parse_named_regex(s: &str) -> Result<(String, String), String> {
+    let (name, v) = s
+        .split_once('=')
+        .ok_or("When given as a positional argument, a pattern must be prefixed with a name, ex: ip=192.168.0.1")?;
+    let _ = Regex::new(v).map_err(|err| format!("{}", err))?;
+    Ok((name.to_string(), v.to_string()))
+}
+
+fn parse_log_level(s: &str) -> Result<Level, String> {
+    match s.to_ascii_uppercase().as_str() {
+        "DEBUG" => Ok(Level::DEBUG),
+        "INFO" => Ok(Level::INFO),
+        "WARN" => Ok(Level::WARN),
+        "ERROR" => Ok(Level::ERROR),
+        "FATAL" => Ok(Level::ERROR),
+        _ => Err("must be one of ERROR, WARN, INFO, DEBUG".into()),
+    }
+}
diff --git a/src/client/mod.rs b/src/client/mod.rs
new file mode 100644
index 0000000..6cd410e
--- /dev/null
+++ b/src/client/mod.rs
@@ -0,0 +1,7 @@
+mod request;
+mod test_config;
+mod test_regex;
+
+pub use request::request;
+pub use test_config::test_config;
+pub use test_regex::test_regex;
diff --git a/src/client/request.rs b/src/client/request.rs
new file mode 100644
index 0000000..986a26e
--- /dev/null
+++ b/src/client/request.rs
@@ -0,0 +1,84 @@
+use std::{
+    error::Error,
+    path::{Path, PathBuf},
+};
+
+use futures::{SinkExt, StreamExt};
+use tokio::net::UnixStream;
+use tokio_util::{
+    bytes::Bytes,
+    codec::{Framed, LengthDelimitedCodec},
+};
+
+use crate::{
+    cli::Format,
+    protocol::{Cleanable, ClientRequest, ClientStatus, DaemonResponse, Order},
+};
+
+macro_rules! or_quit {
+    ($msg:expr, $expression:expr) => {
+        $expression.map_err(|err| format!("failed to communicate to daemon: {}, {}", $msg, err))?
+    };
+}
+
+async fn send_retrieve(socket: &Path, req: &ClientRequest) -> Result<DaemonResponse, String> {
+    let conn = or_quit!(
+        "opening connection to daemon",
+        UnixStream::connect(socket).await
+    );
+    // Encode
+    let mut transport = Framed::new(conn, LengthDelimitedCodec::new());
+    let encoded_request = or_quit!("failed to encode request", serde_json::to_string(req));
+    or_quit!(
+        "failed to send request",
+        transport.send(Bytes::from(encoded_request)).await
+    );
+    // Decode
+    let encoded_response = or_quit!(
+        "failed to read response",
+        transport.next().await.ok_or("empty response from server")
+    );
+    let encoded_response = or_quit!("failed to decode response", encoded_response);
+    Ok(or_quit!(
+        "failed to decode response",
+        serde_json::from_slice::<DaemonResponse>(&encoded_response)
+    ))
+}
+
+fn print_status(cs: ClientStatus, format: Format) -> Result<(), Box<dyn Error>> {
+    let cs = cs.clean();
+    let encoded = match format {
+        Format::JSON => serde_json::to_string_pretty(&cs)?,
+        Format::YAML => serde_yaml::to_string(&cs)?,
+    };
+    println!("{}", encoded);
+    Ok(())
+}
+
+pub async fn request(
+    socket: PathBuf,
+    format: Format,
+    stream_filter: Option<String>,
+    patterns: Vec<(String, String)>,
+    order: Order,
+) -> Result<(), Box<dyn Error + Send + Sync>> {
+    let response = send_retrieve(
+        &socket,
+        &ClientRequest {
+            order,
+            stream_filter,
+            patterns,
+        },
+    )
+    .await;
+    match response? {
+        DaemonResponse::Order(cs) => {
+            print_status(cs, format).map_err(|err| format!("while printing response: {err}"))
+        }
+        DaemonResponse::Err(err) => Err(format!(
+            "failed to communicate to daemon: error response: {err}"
+        )),
+        DaemonResponse::Ok(_) => Ok(()),
+    }?;
+    Ok(())
+}
diff --git a/src/client/test_config.rs b/src/client/test_config.rs
new file mode 100644
index 0000000..3454478
--- /dev/null
+++ b/src/client/test_config.rs
@@ -0,0 +1,42 @@
+use std::{error::Error, path::PathBuf};
+
+use crate::{cli::Format, concepts::Config};
+
+pub fn test_config(
+    config_path: PathBuf,
+    format: Format,
+    verbose: bool,
+) -> Result<(), Box<dyn Error + Send + Sync>> {
+    let (mut cfg, cfg_files) = Config::from_path_raw(&config_path)?;
+    if verbose {
+        if config_path.is_dir() {
+            println!(
+            "Loaded the configuration from the following files in the directory {} in this order:",
+            config_path.display()
+        );
+            println!("{}\n", cfg_files.join("\n"));
+        } else {
+            println!(
+                "Loaded the configuration from the file {}",
+                config_path.display()
+            );
+        }
+    }
+
+    // first serialize the raw config (before regexes are transformed and their original version
+    // discarded)
+    let cfg_str = match format {
+        Format::JSON => serde_json::to_string_pretty(&cfg).map_err(|e| e.to_string()),
+        Format::YAML => serde_yaml::to_string(&cfg).map_err(|e| e.to_string()),
+    }
+    .map_err(|e| format!("Error serializing back the configuration: {e}"))?;
+
+    // then try to finalize the configuration: will raise an error on an invalid config
+    cfg.setup()
+        .map_err(|e| format!("Configuration file {}: {}", config_path.display(), e))?;
+
+    // only print the serialized config if everyting went well
+    println!("{cfg_str}");
+
+    Ok(())
+}
diff --git a/src/client/test_regex.rs b/src/client/test_regex.rs
new file mode 100644
index 0000000..22ccc63
--- /dev/null
+++ b/src/client/test_regex.rs
@@ -0,0 +1,78 @@
+use std::{
+    collections::BTreeSet,
+    error::Error,
+    io::{stdin, BufRead, BufReader},
+    path::PathBuf,
+    sync::Arc,
+};
+
+use regex::Regex;
+
+use crate::concepts::{Config, Pattern};
+
+pub fn test_regex(
+    config_path: PathBuf,
+    mut regex: String,
+    line: Option<String>,
+) -> Result<(), Box<dyn Error + Send + Sync>> {
+    let config = Config::from_path(&config_path)?;
+
+    // Code close to Filter::setup()
+    let mut used_patterns: BTreeSet<Arc<Pattern>> = BTreeSet::new();
+    for pattern in config.patterns.values() {
+        if let Some(index) = regex.find(pattern.name_with_braces()) {
+            // we already `find` it, so we must be able to `rfind` it
+            #[allow(clippy::unwrap_used)]
+            if regex.rfind(pattern.name_with_braces()).unwrap() != index {
+                return Err(format!(
+                    "pattern {} present multiple times in regex",
+                    pattern.name_with_braces()
+                )
+                .into());
+            }
+            used_patterns.insert(pattern.clone());
+        }
+        regex = regex.replacen(pattern.name_with_braces(), &pattern.regex, 1);
+    }
+
+    let compiled = Regex::new(&regex).map_err(|err| format!("regex doesn't compile: {err}"))?;
+
+    let match_closure = |line: String| {
+        let mut ignored = false;
+        if let Some(matches) = compiled.captures(&line) {
+            let mut result = Vec::new();
+            if !used_patterns.is_empty() {
+                for pattern in used_patterns.iter() {
+                    if let Some(match_) = matches.name(&pattern.name) {
+                        result.push(match_.as_str().to_string());
+                        if pattern.is_ignore(match_.as_str()) {
+                            ignored = true;
+                        }
+                    }
+                }
+                if !ignored {
+                    println!("\x1b[32mmatching\x1b[0m {result:?}: {line}");
+                } else {
+                    println!("\x1b[33mignore matching\x1b[0m {result:?}: {line}");
+                }
+            } else {
+                println!("\x1b[32mmatching\x1b[0m: {line}");
+            }
+        } else {
+            println!("\x1b[31mno match\x1b[0m: {line}");
+        }
+    };
+
+    if let Some(line) = line {
+        match_closure(line);
+    } else {
+        eprintln!("no second argument: reading from stdin");
+        for line in BufReader::new(stdin()).lines() {
+            match line {
+                Ok(line) => match_closure(line),
+                Err(_) => break,
+            };
+        }
+    }
+    Ok(())
+}
diff --git a/src/concepts/action.rs b/src/concepts/action.rs
new file mode 100644
index 0000000..12b0cad
--- /dev/null
+++ b/src/concepts/action.rs
@@ -0,0 +1,300 @@
+use std::{cmp::Ordering, collections::BTreeSet, fmt::Display, sync::Arc, time::Duration};
+
+use reaction_plugin::{ActionConfig, time::parse_duration};
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use tokio::process::Command;
+
+use super::{Match, Pattern, PatternType};
+
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+#[serde(deny_unknown_fields)]
+pub struct Action {
+    #[serde(default)]
+    pub cmd: Vec<String>,
+
+    // TODO one shot time deserialization
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub after: Option<String>,
+    #[serde(skip)]
+    pub after_duration: Option<Duration>,
+
+    #[serde(
+        rename = "onexit",
+        default = "set_false",
+        skip_serializing_if = "is_false"
+    )]
+    pub on_exit: bool,
+    #[serde(default = "set_false", skip_serializing_if = "is_false")]
+    pub oneshot: bool,
+
+    #[serde(default = "set_false", skip_serializing_if = "is_false")]
+    pub ipv4only: bool,
+    #[serde(default = "set_false", skip_serializing_if = "is_false")]
+    pub ipv6only: bool,
+
+    #[serde(skip)]
+    pub patterns: Arc<BTreeSet<Arc<Pattern>>>,
+    #[serde(skip)]
+    pub name: String,
+    #[serde(skip)]
+    pub filter_name: String,
+    #[serde(skip)]
+    pub stream_name: String,
+
+    // Plugin-specific
+    #[serde(default, rename = "type", skip_serializing_if = "Option::is_none")]
+    pub action_type: Option<String>,
+    #[serde(default, skip_serializing_if = "Value::is_null")]
+    pub options: Value,
+}
+
+fn set_false() -> bool {
+    false
+}
+
+fn is_false(b: &bool) -> bool {
+    !*b
+}
+
+impl Action {
+    pub fn is_plugin(&self) -> bool {
+        self.action_type
+            .as_ref()
+            .is_some_and(|action_type| action_type != "cmd")
+    }
+
+    pub fn setup(
+        &mut self,
+        stream_name: &str,
+        filter_name: &str,
+        name: &str,
+        patterns: Arc<BTreeSet<Arc<Pattern>>>,
+    ) -> Result<(), String> {
+        self._setup(stream_name, filter_name, name, patterns)
+            .map_err(|msg| format!("action {}: {}", name, msg))
+    }
+    fn _setup(
+        &mut self,
+        stream_name: &str,
+        filter_name: &str,
+        name: &str,
+        patterns: Arc<BTreeSet<Arc<Pattern>>>,
+    ) -> Result<(), String> {
+        self.stream_name = stream_name.to_string();
+        self.filter_name = filter_name.to_string();
+        self.name = name.to_string();
+
+        self.patterns = patterns;
+
+        if self.name.is_empty() {
+            return Err("action name is empty".into());
+        }
+        if self.name.contains('.') {
+            return Err("character '.' is not allowed in filter name".into());
+        }
+
+        if !self.is_plugin() {
+            if self.cmd.is_empty() {
+                return Err("cmd is empty".into());
+            }
+            if self.cmd[0].is_empty() {
+                return Err("cmd's first item is empty".into());
+            }
+            if !self.options.is_null() {
+                return Err("can't define options without a plugin type".into());
+            }
+        } else if !self.cmd.is_empty() {
+            return Err("can't define a cmd and a plugin type".into());
+        }
+
+        if let Some(after) = &self.after {
+            self.after_duration = Some(
+                parse_duration(after)
+                    .map_err(|err| format!("failed to parse after time: {}", err))?,
+            );
+            self.after = None;
+        } else if self.on_exit {
+            return Err("cannot have `onexit: true`, without an `after` directive".into());
+        }
+
+        if self.ipv4only && self.ipv6only {
+            return Err("cannot have `ipv4only: true` and `ipv6only: true` in one action".into());
+        }
+        if self
+            .patterns
+            .iter()
+            .all(|pattern| pattern.pattern_type() != PatternType::Ip)
+        {
+            if self.ipv4only {
+                return Err("it makes no sense to have an action with `ipv4only: true` when no pattern of type ip is defined on the filter".into());
+            }
+            if self.ipv6only {
+                return Err("it makes no sense to have an action with `ipv6only: true` when no pattern of type ip is defined on the filter".into());
+            }
+        }
+
+        Ok(())
+    }
+
+    // TODO test
+    pub fn exec(&self, match_: &Match) -> Command {
+        let computed_command = if self.patterns.is_empty() {
+            self.cmd.clone()
+        } else {
+            self.cmd
+                .iter()
+                .map(|item| {
+                    (0..match_.len())
+                        .zip(self.patterns.as_ref())
+                        .fold(item.clone(), |acc, (i, pattern)| {
+                            acc.replace(pattern.name_with_braces(), &match_[i])
+                        })
+                })
+                .collect()
+        };
+        let mut cmd = Command::new(&computed_command[0]);
+        cmd.args(&computed_command[1..]);
+        cmd
+    }
+
+    pub fn to_action_config(&self) -> Result<ActionConfig, String> {
+        Ok(ActionConfig {
+            stream_name: self.stream_name.clone(),
+            filter_name: self.filter_name.clone(),
+            action_name: self.name.clone(),
+            action_type: self
+                .action_type
+                .clone()
+                .ok_or_else(|| format!("action {} doesn't load a plugin. this is a bug!", self))?,
+            config: self.options.clone().into(),
+            patterns: self
+                .patterns
+                .iter()
+                .map(|pattern| pattern.name.clone())
+                .collect(),
+        })
+    }
+}
+
+impl PartialEq for Action {
+    fn eq(&self, other: &Self) -> bool {
+        self.stream_name == other.stream_name && self.name == other.name
+    }
+}
+impl Eq for Action {}
+impl Ord for Action {
+    fn cmp(&self, other: &Self) -> Ordering {
+        match self.stream_name.cmp(&other.stream_name) {
+            Ordering::Equal => match self.filter_name.cmp(&other.filter_name) {
+                Ordering::Equal => self.name.cmp(&other.name),
+                o => o,
+            },
+            o => o,
+        }
+    }
+}
+impl PartialOrd for Action {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl Display for Action {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}.{}.{}", self.stream_name, self.filter_name, self.name)
+    }
+}
+
+#[cfg(test)]
+impl Action {
+    /// Test-only constructor designed to be easy to call
+    #[allow(clippy::too_many_arguments)]
+    pub fn new(
+        cmd: Vec<&str>,
+        after: Option<&str>,
+        on_exit: bool,
+        stream_name: &str,
+        filter_name: &str,
+        name: &str,
+        config_patterns: &super::Patterns,
+        ip_only: u8,
+    ) -> Self {
+        let mut action = Self {
+            cmd: cmd.into_iter().map(|s| s.into()).collect(),
+            after: after.map(|s| s.into()),
+            on_exit,
+            ipv4only: ip_only == 4,
+            ipv6only: ip_only == 6,
+            ..Default::default()
+        };
+        action
+            .setup(
+                stream_name,
+                filter_name,
+                name,
+                config_patterns
+                    .clone()
+                    .into_values()
+                    .collect::<BTreeSet<_>>()
+                    .into(),
+            )
+            .unwrap();
+        action
+    }
+}
+
+#[cfg(test)]
+pub mod tests {
+
+    use super::*;
+
+    pub fn ok_action() -> Action {
+        Action {
+            cmd: vec!["command".into()],
+            ..Default::default()
+        }
+    }
+
+    pub fn ok_action_with_after(d: String, name: &str) -> Action {
+        let mut action = Action {
+            cmd: vec!["command".into()],
+            after: Some(d),
+            ..Default::default()
+        };
+        action
+            .setup("", "", name, Arc::new(BTreeSet::default()))
+            .unwrap();
+        action
+    }
+
+    #[test]
+    fn missing_config() {
+        let mut action;
+        let name = "name".to_string();
+        let patterns = Arc::new(BTreeSet::default());
+
+        // No command
+        action = Action::default();
+        assert!(action.setup(&name, &name, &name, patterns.clone()).is_err());
+
+        // No command
+        action = Action::default();
+        action.cmd = vec!["".into()];
+        assert!(action.setup(&name, &name, &name, patterns.clone()).is_err());
+
+        // No command
+        action = Action::default();
+        action.cmd = vec!["".into(), "arg1".into()];
+        assert!(action.setup(&name, &name, &name, patterns.clone()).is_err());
+
+        // command ok
+        action = ok_action();
+        assert!(action.setup(&name, &name, &name, patterns.clone()).is_ok());
+
+        // command ok
+        action = ok_action();
+        action.cmd.push("arg1".into());
+        assert!(action.setup(&name, &name, &name, patterns.clone()).is_ok());
+    }
+}
diff --git a/src/concepts/config.rs b/src/concepts/config.rs
new file mode 100644
index 0000000..3080a74
--- /dev/null
+++ b/src/concepts/config.rs
@@ -0,0 +1,812 @@
+use std::{
+    collections::{BTreeMap, btree_map::Entry},
+    fs::File,
+    io,
+    path::Path,
+    process::{Command, Stdio},
+    sync::Arc,
+};
+
+use serde::{Deserialize, Serialize};
+use thiserror::Error;
+use tracing::{debug, error, info, warn};
+
+use super::{Pattern, Plugin, Stream, merge_attrs};
+
+pub type Patterns = BTreeMap<String, Arc<Pattern>>;
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[cfg_attr(test, derive(Default))]
+#[serde(deny_unknown_fields)]
+pub struct Config {
+    #[serde(default = "num_cpus::get")]
+    pub concurrency: usize,
+    #[serde(default = "dot", skip_serializing_if = "String::is_empty")]
+    pub state_directory: String,
+
+    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
+    pub plugins: BTreeMap<String, Plugin>,
+
+    #[serde(default)]
+    pub patterns: Patterns,
+
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub start: Vec<Vec<String>>,
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub stop: Vec<Vec<String>>,
+
+    #[serde(default)]
+    pub streams: BTreeMap<String, Stream>,
+
+    // This field only serve the purpose of having a top-level place for saving YAML variables
+    #[serde(default, skip_serializing, rename = "definitions")]
+    _definitions: serde_json::Value,
+}
+
+fn dot() -> String {
+    ".".into()
+}
+
+impl Config {
+    fn merge(&mut self, mut other: Config) -> Result<(), String> {
+        for (key, plugin) in other.plugins.into_iter() {
+            match self.plugins.entry(key) {
+                Entry::Vacant(e) => {
+                    e.insert(plugin);
+                }
+                Entry::Occupied(e) => {
+                    return Err(format!(
+                        "plugin {} is already defined. plugin definitions can't be spread accross multiple files.",
+                        e.key()
+                    ));
+                }
+            }
+        }
+
+        for (key, pattern) in other.patterns.into_iter() {
+            match self.patterns.entry(key) {
+                Entry::Vacant(e) => {
+                    e.insert(pattern);
+                }
+                Entry::Occupied(e) => {
+                    return Err(format!(
+                        "pattern {} is already defined. pattern definitions can't be spread accross multiple files.",
+                        e.key()
+                    ));
+                }
+            }
+        }
+
+        for (key, stream) in other.streams.into_iter() {
+            match self.streams.entry(key) {
+                Entry::Vacant(e) => {
+                    e.insert(stream);
+                }
+                Entry::Occupied(mut e) => {
+                    e.get_mut()
+                        .merge(stream)
+                        .map_err(|err| format!("Stream {}: {}", e.key(), err))?;
+                }
+            }
+        }
+
+        self.start.append(&mut other.start);
+        self.stop.append(&mut other.stop);
+
+        self.state_directory = merge_attrs(
+            self.state_directory.clone(),
+            other.state_directory,
+            ".".into(),
+            "state_directory",
+        )?;
+
+        self.concurrency = merge_attrs(
+            self.concurrency,
+            other.concurrency,
+            num_cpus::get(),
+            "concurrency",
+        )?;
+
+        Ok(())
+    }
+
+    pub fn setup(&mut self) -> Result<(), String> {
+        if self.concurrency == 0 {
+            self.concurrency = num_cpus::get();
+        }
+
+        // Nullify this useless field
+        self._definitions = serde_json::Value::Null;
+
+        for (key, value) in &mut self.plugins {
+            value.setup(key)?;
+        }
+
+        if self.patterns.is_empty() {
+            return Err("no patterns configured".into());
+        }
+
+        let mut new_patterns = BTreeMap::new();
+        for (key, value) in &self.patterns {
+            let mut value = value.as_ref().clone();
+            value.setup(key)?;
+            new_patterns.insert(key.clone(), Arc::new(value));
+        }
+        self.patterns = new_patterns;
+
+        if self.streams.is_empty() {
+            return Err("no streams configured".into());
+        }
+
+        for (key, value) in &mut self.streams {
+            value.setup(key, &self.patterns)?;
+        }
+        Ok(())
+    }
+
+    pub fn start(&self) -> bool {
+        run_commands(&self.start, "start")
+    }
+
+    pub fn stop(&self) -> bool {
+        run_commands(&self.stop, "stop")
+    }
+
+    pub fn from_path(path: &Path) -> Result<Self, String> {
+        match Self::from_path_raw(path) {
+            Ok((mut cfg, files)) => {
+                cfg.setup().map_err(ConfigError::BadConfig).map_err(|e| {
+                    if path.is_dir() {
+                        format!(
+                        "{e}\nWhile reading config from {}. List of files read, in that order:\n{}",
+                        path.display(),
+                        files.join("\n"),
+                    )
+                    } else {
+                        format!("{e}\nWhile reading config from {}.", path.display())
+                    }
+                })?;
+                Ok(cfg)
+            }
+            Err(e) => Err(e),
+        }
+    }
+
+    pub fn from_path_raw(path: &Path) -> Result<(Self, Vec<String>), String> {
+        match std::fs::metadata(path) {
+            Err(e) => Err(format!("Error accessing {}: {e}", path.to_string_lossy())),
+            Ok(m) => {
+                if m.is_file() {
+                    Self::_from_file_raw(path)
+                        .map(|cfg| {
+                            let fname = path
+                                .file_name()
+                                .map(|s| s.to_string_lossy().to_string())
+                                .unwrap_or("".to_string());
+                            (cfg, vec![fname])
+                        })
+                        .map_err(|e| format!("Configuration file {}: {}", path.display(), e))
+                } else if m.is_dir() {
+                    Self::_from_dir_raw(path)
+                } else {
+                    Err(format!(
+                        "Invalid file type for {}: not a file nor a directory",
+                        path.to_string_lossy()
+                    ))
+                }
+            }
+        }
+    }
+
+    fn _from_dir_raw(path: &Path) -> Result<(Self, Vec<String>), String> {
+        let dir = std::fs::read_dir(path)
+            .map_err(|e| format!("Error accessing directory {}: {e}", path.display()))?;
+        // sorts files by name
+        let mut cfg_files = BTreeMap::new();
+        for f in dir {
+            let f =
+                f.map_err(|e| format!("Error while reading directory {}: {e}", path.display()))?;
+
+            let fname = f.file_name();
+            let fname = match fname.to_str() {
+                Some(fname) => fname,
+                None => {
+                    warn!(
+                        "Ignoring file {} in {}",
+                        f.file_name().to_string_lossy(),
+                        path.display()
+                    );
+                    continue;
+                }
+            };
+
+            if fname.starts_with(".") || fname.starts_with("_") {
+                // silently ignore hidden file
+                debug!("Ignoring hidden file {fname} in {}", path.display());
+                continue;
+            }
+
+            let fpath = f.path();
+            let ext = match fpath.extension() {
+                None => {
+                    // silently ignore files without extensions (may be directory)
+                    debug!(
+                        "Ignoring file without extension {fname} in {}",
+                        path.display()
+                    );
+                    continue;
+                }
+                Some(ext) => {
+                    if let Some(ext) = ext.to_str() {
+                        ext
+                    } else {
+                        warn!(
+                            "Ignoring file {} in {} with unexpected extension",
+                            fname,
+                            path.display()
+                        );
+                        continue;
+                    }
+                }
+            };
+
+            match Self::_extension_to_format(ext) {
+                Ok(fmt) => cfg_files.insert(fname.to_string(), (fpath, fmt)),
+                Err(_) => {
+                    // silently ignore files without an expected extension
+                    debug!(
+                        "Ignoring file with non recognized extension {fname} in {}",
+                        path.display()
+                    );
+                    continue;
+                }
+            };
+        }
+
+        let mut cfg: Option<Self> = None;
+        for (fname, (fpath, fmt)) in &cfg_files {
+            let cfg_part = Self::_load_file(fpath, *fmt)
+                .map_err(|e| format!("While reading {fname} in {}: {e}", path.display()))?;
+
+            if let Some(mut cfg_agg) = cfg.take() {
+                cfg_agg.merge(cfg_part)?;
+                cfg = Some(cfg_agg);
+            } else {
+                cfg = Some(cfg_part)
+            }
+        }
+
+        if let Some(cfg) = cfg {
+            Ok((cfg, cfg_files.into_keys().collect()))
+        } else {
+            Err(format!(
+                "No valid configuration files found in {}",
+                path.display()
+            ))
+        }
+    }
+
+    fn _extension_to_format(extension: &str) -> Result<Format, ConfigError> {
+        match extension {
+            "yaml" | "yml" => Ok(Format::Yaml),
+            "json" => Ok(Format::Json),
+            "jsonnet" => Ok(Format::Jsonnet),
+            _ => Err(ConfigError::Extension(format!(
+                "extension {} is not recognized",
+                extension
+            ))),
+        }
+    }
+
+    fn _load_file(path: &Path, format: Format) -> Result<Self, ConfigError> {
+        let cfg: Self = match format {
+            Format::Json => serde_json::from_reader(File::open(path)?)?,
+            Format::Yaml => serde_yaml::from_reader(File::open(path)?)?,
+            Format::Jsonnet => serde_json::from_str(&jsonnet::from_path(path)?)?,
+        };
+        Ok(cfg)
+    }
+
+    fn _from_file_raw(path: &Path) -> Result<Self, ConfigError> {
+        let extension = path
+            .extension()
+            .and_then(|ex| ex.to_str())
+            .ok_or(ConfigError::Extension("no file extension".into()))?;
+
+        let format = Self::_extension_to_format(extension)?;
+
+        Self::_load_file(path, format)
+    }
+}
+
+#[derive(Clone, Copy)]
+enum Format {
+    Yaml,
+    Json,
+    Jsonnet,
+}
+
+#[derive(Error, Debug)]
+enum ConfigError {
+    #[error("{0}")]
+    Any(String),
+    #[error("Bad configuration: {0}")]
+    BadConfig(String),
+    #[error("{0}. Must be json, jsonnet, yml or yaml.")]
+    Extension(String),
+    #[error("{0}")]
+    IO(#[from] io::Error),
+    #[error("{0}")]
+    JSON(#[from] serde_json::Error),
+    #[error("{0}")]
+    YAML(#[from] serde_yaml::Error),
+}
+
+mod jsonnet {
+    use std::path::Path;
+
+    use jrsonnet_evaluator::{EvaluationState, FileImportResolver, error::LocError};
+
+    use super::ConfigError;
+
+    pub fn from_path(path: &Path) -> Result<String, ConfigError> {
+        let state = EvaluationState::default();
+        state.with_stdlib();
+        state.set_import_resolver(Box::<FileImportResolver>::default());
+        // state.set_import_resolver(Box::new(FileImportResolver {
+        //     library_paths: Vec::new(),
+        // }));
+
+        match evaluate(path, &state) {
+            Ok(val) => Ok(val),
+            Err(err) => Err(ConfigError::Any(state.stringify_err(&err))),
+        }
+    }
+    fn evaluate(path: &Path, state: &EvaluationState) -> Result<String, LocError> {
+        let val = state.evaluate_file_raw(path)?;
+        let result = state.manifest(val)?;
+        Ok(result.to_string())
+    }
+}
+
+fn run_commands(commands: &Vec<Vec<String>>, moment: &str) -> bool {
+    debug!("Running {moment} commands...");
+    let mut ok = true;
+    for command in commands {
+        info!("{} command: run {:?}\n", moment, command);
+        // TODO reaction-go waits the subprocess completion for a minute maximum
+        match Command::new(&command[0])
+            .args(&command[1..])
+            .stdin(Stdio::null())
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
+            .status()
+        {
+            Ok(exit_status) => {
+                if !exit_status.success() {
+                    error!(
+                        "{} command: run {:?}: exit code: {}",
+                        moment,
+                        command,
+                        exit_status.code().unwrap_or(1)
+                    );
+                    ok = false;
+                }
+            }
+            Err(err) => {
+                error!(
+                    "{} command: run {:?}: could not execute: {}",
+                    moment, command, err
+                );
+                ok = false;
+            }
+        }
+    }
+
+    ok
+}
+
+#[cfg(test)]
+#[allow(clippy::unwrap_used)]
+mod tests {
+
+    use super::*;
+
+    #[test]
+    fn config_missing() {
+        let mut config = Config::default();
+        assert!(config.setup().is_err());
+    }
+
+    fn parse_config_json(cfg: &str) -> Config {
+        const DUMMY_PATTERNS: &str = r#"
+        "patterns": {
+            "zero": {
+                "regex": "0"
+            }
+        }"#;
+        const DUMMY_FILTERS: &str = r#"
+        "filters": {
+            "dummy": {
+                "regex": ["abc"],
+                "actions": {
+                    "act": {
+                        "cmd": ["echo", "1"]
+                    }
+                }
+            }
+        }"#;
+        const DUMMY_STREAMS: &str = r#"
+        "streams": {
+            "dummy": {
+                "cmd": ["true"],
+                {{FILTERS}}
+            }
+        }
+        "#;
+        let cfg = cfg
+            .to_string()
+            .replace("{{STREAMS}}", DUMMY_STREAMS)
+            .replace("{{PATTERNS}}", DUMMY_PATTERNS)
+            .replace("{{FILTERS}}", DUMMY_FILTERS);
+
+        serde_json::from_str(&cfg)
+            .inspect_err(|_| {
+                eprintln!("{cfg}");
+            })
+            .unwrap()
+    }
+
+    #[test]
+    fn config_without_stream() {
+        let mut cfg1 = parse_config_json(
+            r#"{
+            {{PATTERNS}}
+        }"#,
+        );
+        let mut cfg2 = parse_config_json(
+            r#"{
+            {{PATTERNS}},
+            "streams": {}
+        }"#,
+        );
+
+        let res = cfg1.setup();
+        assert!(res.is_err());
+        let res = cfg2.setup();
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn config_without_pattern() {
+        let mut cfg1 = parse_config_json(
+            r#"{
+            {{STREAMS}}
+        }"#,
+        );
+        let mut cfg2 = parse_config_json(
+            r#"{
+            "patterns": {},
+            {{STREAMS}}
+        }"#,
+        );
+
+        let res = cfg1.setup();
+        assert!(res.is_err());
+        let res = cfg2.setup();
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn merge_config_distinct_patterns() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                "patterns": {
+                    "ip4": {
+                        "regex": "ip4"
+                    }
+                },
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "patterns": {
+                    "ip6": {
+                        "regex": "ip6"
+                    }
+                }
+            }"#,
+        );
+
+        cfg_org.merge(cfg_oth).unwrap();
+        cfg_org.setup().unwrap();
+        assert!(cfg_org.patterns.contains_key("ip4"));
+        assert!(cfg_org.patterns.contains_key("ip6"));
+        assert_eq!(cfg_org.patterns.len(), 2);
+        assert!(cfg_org.streams.contains_key("dummy"));
+        assert_eq!(cfg_org.streams.len(), 1);
+    }
+
+    #[test]
+    fn merge_config_same_patterns() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                "patterns": {
+                    "zero": {
+                        "regex": "0"
+                    }
+                },
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "patterns": {
+                    "zero": {
+                        "regex": "00"
+                    }
+                }
+            }"#,
+        );
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn merge_config_distinct_streams() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{PATTERNS}},
+                "streams": {
+                    "echo1": {
+                        "cmd": ["echo"],
+                        {{FILTERS}}
+                    }
+                }
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "streams": {
+                    "echo2": {
+                        "cmd": ["echo"],
+                        {{FILTERS}}
+                    }
+                }
+            }"#,
+        );
+
+        cfg_org.merge(cfg_oth).unwrap();
+        cfg_org.setup().unwrap();
+        assert!(cfg_org.patterns.contains_key("zero"));
+        assert_eq!(cfg_org.patterns.len(), 1);
+        assert!(cfg_org.streams.contains_key("echo1"));
+        assert!(cfg_org.streams.contains_key("echo2"));
+        assert_eq!(cfg_org.streams.len(), 2);
+    }
+
+    #[test]
+    fn merge_config_same_streams_distinct_filters() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{PATTERNS}},
+                "streams": {
+                    "echo": {
+                        "cmd": ["echo"],
+                        "filters": {
+                            "f1": {
+                                "regex": ["abc"],
+                                "actions": {
+                                    "act": {
+                                        "cmd": ["echo", "1"]
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "streams": {
+                    "echo": {
+                        "cmd": ["echo"],
+                        "filters": {
+                            "f2": {
+                                "regex": ["abc"],
+                                "actions": {
+                                    "act": {
+                                        "cmd": ["echo", "1"]
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }"#,
+        );
+
+        cfg_org.merge(cfg_oth).unwrap();
+        cfg_org.setup().unwrap();
+        assert!(cfg_org.streams.contains_key("echo"));
+        assert_eq!(cfg_org.streams.len(), 1);
+
+        let filters = &cfg_org.streams.get("echo").unwrap().filters;
+        assert!(filters.contains_key("f1"));
+        assert!(filters.contains_key("f2"));
+        assert_eq!(filters.len(), 2);
+    }
+
+    #[test]
+    fn merge_config_same_streams_distinct_command() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{PATTERNS}},
+                "streams": {
+                    "echo": {
+                        "cmd": ["echo"],
+                        {{FILTERS}}
+                    }
+                }
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "streams": {
+                    "echo": {
+                        "cmd": ["true"]
+                    }
+                }
+            }"#,
+        );
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn merge_config_same_streams_command_in_one() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{PATTERNS}},
+                "streams": {
+                    "echo": {
+                        {{FILTERS}}
+                    }
+                }
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "streams": {
+                    "echo": {
+                        "cmd": ["echo"]
+                    }
+                }
+            }"#,
+        );
+
+        cfg_org.merge(cfg_oth).unwrap();
+        cfg_org.setup().unwrap();
+        assert!(cfg_org.streams.contains_key("echo"));
+        assert_eq!(cfg_org.streams.len(), 1);
+        let stream = cfg_org.streams.get("echo").unwrap();
+        assert_eq!(stream.cmd.len(), 1);
+        assert_eq!(stream.filters.len(), 1);
+    }
+
+    #[test]
+    fn merge_config_same_streams_same_filters() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{PATTERNS}},
+                "streams": {
+                    "echo": {
+                        "cmd": ["echo"],
+                        {{FILTERS}}
+                    }
+                }
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "streams": {
+                    "echo": {
+                        "cmd": ["echo"],
+                        {{FILTERS}}
+                    }
+                }
+            }"#,
+        );
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn merge_config_same_concurrency() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                "concurrency": 97,
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "concurrency": 97
+            }"#,
+        );
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_ok());
+        assert_eq!(cfg_org.concurrency, 97);
+    }
+
+    #[test]
+    fn merge_config_distinct_concurrency() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                "concurrency": 97,
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "concurrency": 96
+            }"#,
+        );
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_err());
+    }
+
+    #[test]
+    fn merge_config_one_concurrency() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                "concurrency": 97,
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(r#"{}"#);
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_ok());
+        assert_eq!(cfg_org.concurrency, 97);
+    }
+
+    #[test]
+    fn merge_config_right_concurrency() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(
+            r#"{
+                "concurrency": 97
+            }"#,
+        );
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_ok());
+        assert_eq!(cfg_org.concurrency, 97);
+    }
+
+    #[test]
+    fn merge_config_no_concurrency() {
+        let mut cfg_org = parse_config_json(
+            r#"{
+                {{STREAMS}}
+            }"#,
+        );
+        let cfg_oth = parse_config_json(r#"{ }"#);
+
+        let res = cfg_org.merge(cfg_oth);
+        assert!(res.is_ok());
+        assert_eq!(cfg_org.concurrency, num_cpus::get());
+    }
+}
diff --git a/src/concepts/filter.rs b/src/concepts/filter.rs
new file mode 100644
index 0000000..52fc41f
--- /dev/null
+++ b/src/concepts/filter.rs
@@ -0,0 +1,993 @@
+use std::{
+    cmp::Ordering,
+    collections::{BTreeMap, BTreeSet},
+    fmt::Display,
+    hash::Hash,
+    sync::Arc,
+    time::Duration,
+};
+
+use reaction_plugin::time::parse_duration;
+use regex::Regex;
+use serde::{Deserialize, Serialize};
+
+use super::{Action, Match, Pattern, PatternType, Patterns};
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Deserialize, Serialize)]
+pub enum Duplicate {
+    #[default]
+    #[serde(rename = "extend")]
+    Extend,
+    #[serde(rename = "ignore")]
+    Ignore,
+    #[serde(rename = "rerun")]
+    Rerun,
+}
+
+// Only names are serialized
+// Only computed fields are not deserialized
+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+#[serde(deny_unknown_fields)]
+pub struct Filter {
+    #[serde(skip)]
+    pub longuest_action_duration: Duration,
+    #[serde(skip)]
+    pub has_ip: bool,
+
+    pub regex: Vec<String>,
+    #[serde(skip)]
+    pub compiled_regex: Vec<Regex>,
+    // We want patterns to be ordered
+    // This is necessary when using matches which contain multiple patterns
+    #[serde(skip)]
+    pub patterns: Arc<BTreeSet<Arc<Pattern>>>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub retry: Option<u32>,
+    #[serde(rename = "retryperiod", skip_serializing_if = "Option::is_none")]
+    pub retry_period: Option<String>,
+    #[serde(skip)]
+    pub retry_duration: Option<Duration>,
+
+    #[serde(default)]
+    pub duplicate: Duplicate,
+
+    pub actions: BTreeMap<String, Action>,
+
+    #[serde(skip)]
+    pub name: String,
+    #[serde(skip)]
+    pub stream_name: String,
+    // // Plugin-specific
+    // #[serde(default, rename = "type")]
+    // pub filter_type: Option<String>,
+    // #[serde(default = "null_value")]
+    // pub options: Value,
+}
+
+impl Filter {
+    #[cfg(test)]
+    pub fn from_name(stream_name: &str, filter_name: &str) -> Filter {
+        Filter {
+            stream_name: stream_name.into(),
+            name: filter_name.into(),
+            ..Filter::default()
+        }
+    }
+
+    #[cfg(test)]
+    pub fn from_name_and_patterns(
+        stream_name: &str,
+        filter_name: &str,
+        patterns: Vec<Pattern>,
+    ) -> Filter {
+        Filter {
+            stream_name: stream_name.into(),
+            name: filter_name.into(),
+            patterns: Arc::new(patterns.into_iter().map(Arc::new).collect()),
+            ..Filter::default()
+        }
+    }
+
+    pub fn setup(
+        &mut self,
+        stream_name: &str,
+        name: &str,
+        config_patterns: &Patterns,
+    ) -> Result<(), String> {
+        self._setup(stream_name, name, config_patterns)
+            .map_err(|msg| format!("filter {}: {}", name, msg))
+    }
+
+    fn _setup(
+        &mut self,
+        stream_name: &str,
+        name: &str,
+        config_patterns: &Patterns,
+    ) -> Result<(), String> {
+        self.stream_name = stream_name.to_string();
+        self.name = name.to_string();
+
+        if self.name.is_empty() {
+            return Err("filter name is empty".into());
+        }
+        if self.name.contains('.') {
+            return Err("character '.' is not allowed in filter name".into());
+        }
+
+        if self.retry.is_some() != self.retry_period.is_some() {
+            return Err("retry and retryperiod must be specified one with each other".into());
+        }
+
+        if self.retry.is_some_and(|r| r < 2) {
+            return Err("retry must be >= 2. Remove 'retry' and 'retryperiod' to trigger at the first occurence.".into());
+        }
+
+        if let Some(retry_period) = &self.retry_period {
+            self.retry_duration = Some(
+                parse_duration(retry_period)
+                    .map_err(|err| format!("failed to parse retry period: {}", err))?,
+            );
+            self.retry_period = None;
+        }
+
+        if self.regex.is_empty() {
+            return Err("no regex configured".into());
+        }
+
+        let mut new_patterns = BTreeSet::new();
+        let mut new_regex = Vec::new();
+        let mut first = true;
+        for regex in &self.regex {
+            let mut regex_buf = regex.clone();
+            for pattern in config_patterns.values() {
+                if let Some(index) = regex.find(pattern.name_with_braces()) {
+                    // we already `find` it, so we must be able to `rfind` it
+                    #[allow(clippy::unwrap_used)]
+                    if regex.rfind(pattern.name_with_braces()).unwrap() != index {
+                        return Err(format!(
+                            "pattern {} present multiple times in regex",
+                            pattern.name_with_braces()
+                        ));
+                    }
+                    if first {
+                        new_patterns.insert(pattern.clone());
+                    } else if !new_patterns.contains(pattern) {
+                        return Err(format!(
+                            "pattern {} is not present in the first regex but is present in a following regex. all regexes should contain the same set of regexes",
+                            &pattern.name_with_braces()
+                        ));
+                    }
+                } else if !first && new_patterns.contains(pattern) {
+                    return Err(format!(
+                        "pattern {} is present in the first regex but is not present in a following regex. all regexes should contain the same set of regexes",
+                        &pattern.name_with_braces()
+                    ));
+                }
+                regex_buf = regex_buf.replacen(pattern.name_with_braces(), &pattern.regex, 1);
+            }
+            new_regex.push(regex_buf.clone());
+            let compiled = Regex::new(&regex_buf).map_err(|err| err.to_string())?;
+            self.compiled_regex.push(compiled);
+            first = false;
+        }
+        self.regex = new_regex;
+        self.patterns = Arc::new(new_patterns);
+
+        if self.actions.is_empty() {
+            return Err("no actions configured".into());
+        }
+
+        for (key, action) in &mut self.actions {
+            action.setup(stream_name, name, key, self.patterns.clone())?;
+        }
+        self.has_ip = self
+            .actions
+            .values()
+            .any(|action| action.ipv4only || action.ipv6only);
+
+        self.longuest_action_duration =
+            self.actions
+                .values()
+                .fold(Duration::from_secs(0), |acc, v| {
+                    v.after_duration
+                        .map_or(acc, |v| if v > acc { v } else { acc })
+                });
+
+        Ok(())
+    }
+
+    pub fn get_match(&self, line: &str) -> Option<Match> {
+        for regex in &self.compiled_regex {
+            if let Some(matches) = regex.captures(line) {
+                if !self.patterns.is_empty() {
+                    let mut result = Match::new();
+                    for pattern in self.patterns.as_ref() {
+                        // if the pattern is in an optional part of the regex,
+                        // there may be no captured group for it.
+                        if let Some(match_) = matches.name(&pattern.name)
+                            && !pattern.is_ignore(match_.as_str())
+                        {
+                            let mut match_ = match_.as_str().to_string();
+                            pattern.normalize(&mut match_);
+                            result.push(match_);
+                        }
+                    }
+                    if result.len() == self.patterns.len() {
+                        return Some(result);
+                    }
+                } else {
+                    return Some(vec![]);
+                }
+            }
+        }
+        None
+    }
+
+    /// Test that the patterns map conforms to the filter's patterns.
+    /// Then returns a corresponding [`Match`].
+    pub fn get_match_from_patterns(
+        &self,
+        mut patterns: BTreeMap<Arc<Pattern>, String>,
+    ) -> Result<Match, String> {
+        // Check pattern length
+        if patterns.len() != self.patterns.len() {
+            return Err(format!(
+                "{} patterns specified, while the {}.{} filter has {} pattern: ({})",
+                patterns.len(),
+                self.stream_name,
+                self.name,
+                self.patterns.len(),
+                self.patterns
+                    .iter()
+                    .map(|pattern| pattern.name.clone())
+                    .reduce(|acc, pattern| acc + ", " + &pattern)
+                    .unwrap_or("".into()),
+            ));
+        }
+
+        for (pattern, match_) in &mut patterns {
+            if self.patterns.get(pattern).is_none() {
+                return Err(format!(
+                    "pattern {} is not present in the filter {}.{}",
+                    pattern.name, self.stream_name, self.name
+                ));
+            }
+
+            if !pattern.is_match(match_) {
+                return Err(format!(
+                    "'{}' doesn't match pattern {}",
+                    match_, pattern.name,
+                ));
+            }
+
+            if pattern.is_ignore(match_) {
+                return Err(format!(
+                    "'{}' is explicitly ignored by pattern {}",
+                    match_, pattern.name,
+                ));
+            }
+
+            pattern.normalize(match_);
+        }
+
+        for pattern in self.patterns.iter() {
+            if !patterns.contains_key(pattern) {
+                return Err(format!(
+                    "pattern {} is missing, because it's in the filter {}.{}",
+                    pattern.name, self.stream_name, self.name
+                ));
+            }
+        }
+
+        Ok(patterns.into_values().collect())
+    }
+
+    /// Filters [`Filter`]'s [`Action`]s according to its [`Pattern`]s [`PatternType`]
+    /// and those of the given [`Match`]
+    pub fn filtered_actions_from_match(&self, m: &Match) -> Vec<&Action> {
+        let ip_type = if self.has_ip {
+            self.patterns
+                .iter()
+                .zip(m)
+                .find(|(p, _)| p.pattern_type() == PatternType::Ip)
+                .map(|(_, m)| -> _ {
+                    // Using this dumb heuristic is ok,
+                    // because we know we have a valid IP address.
+                    if m.contains(':') {
+                        PatternType::Ipv6
+                    } else if m.contains('.') {
+                        PatternType::Ipv4
+                    } else {
+                        // This else should not happen, but better falling back on something than
+                        // panicking, right? Maybe we should add a warning there?
+                        PatternType::Regex
+                    }
+                })
+                .unwrap_or(PatternType::Regex)
+        } else {
+            PatternType::Regex
+        };
+
+        let mut actions: Vec<_> = self
+            .actions
+            .values()
+            // If specific ip version, check it
+            .filter(move |action| !action.ipv4only || ip_type == PatternType::Ipv4)
+            .filter(move |action| !action.ipv6only || ip_type == PatternType::Ipv6)
+            .collect();
+
+        // Sort by after
+        actions.sort_by(|a, b| {
+            a.after_duration
+                .unwrap_or_default()
+                .cmp(&b.after_duration.unwrap_or_default())
+        });
+        actions
+    }
+}
+
+impl Display for Filter {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}.{}", self.stream_name, self.name)
+    }
+}
+
+impl PartialEq for Filter {
+    fn eq(&self, other: &Self) -> bool {
+        self.stream_name == other.stream_name && self.name == other.name
+    }
+}
+impl Eq for Filter {}
+impl Ord for Filter {
+    fn cmp(&self, other: &Self) -> Ordering {
+        match self.stream_name.cmp(&other.stream_name) {
+            Ordering::Equal => self.name.cmp(&other.name),
+            o => o,
+        }
+    }
+}
+impl PartialOrd for Filter {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+impl Hash for Filter {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.stream_name.hash(state);
+        self.name.hash(state);
+    }
+}
+
+#[cfg(test)]
+#[allow(clippy::too_many_arguments)]
+impl Filter {
+    /// Test-only constructor designed to be easy to call
+    pub fn new(
+        actions: Vec<Action>,
+        regex: Vec<&str>,
+        retry: Option<u32>,
+        retry_period: Option<&str>,
+        stream_name: &str,
+        name: &str,
+        duplicate: Duplicate,
+        config_patterns: &Patterns,
+    ) -> Self {
+        let mut filter = Self {
+            actions: actions.into_iter().map(|a| (a.name.clone(), a)).collect(),
+            regex: regex.into_iter().map(|s| s.into()).collect(),
+            retry,
+            retry_period: retry_period.map(|s| s.into()),
+            duplicate,
+            ..Default::default()
+        };
+        filter.setup(stream_name, name, config_patterns).unwrap();
+        filter
+    }
+
+    pub fn new_static(
+        actions: Vec<Action>,
+        regex: Vec<&str>,
+        retry: Option<u32>,
+        retry_period: Option<&str>,
+        stream_name: &str,
+        name: &str,
+        duplicate: Duplicate,
+        config_patterns: &Patterns,
+    ) -> &'static Self {
+        Box::leak(Box::new(Self::new(
+            actions,
+            regex,
+            retry,
+            retry_period,
+            stream_name,
+            name,
+            duplicate,
+            config_patterns,
+        )))
+    }
+}
+
+#[cfg(test)]
+pub mod tests {
+    use crate::concepts::action::tests::{ok_action, ok_action_with_after};
+    use crate::concepts::pattern::PatternIp;
+    use crate::concepts::pattern::tests::{
+        boubou_pattern_with_ignore, default_pattern, number_pattern, ok_pattern_with_ignore,
+    };
+
+    use super::*;
+
+    pub fn ok_filter() -> Filter {
+        let mut filter = Filter::default();
+        let name = "name".to_string();
+        filter.regex = vec!["reg".into()];
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+    }
+
+    #[test]
+    fn setup_missing_config() {
+        let mut filter;
+        let name = "name".to_string();
+        let empty_patterns = Patterns::new();
+
+        // action but no regex
+        filter = ok_filter();
+        filter.regex = Vec::new();
+        assert!(filter.setup(&name, &name, &empty_patterns).is_err());
+
+        // regex but no action
+        filter = ok_filter();
+        filter.actions = BTreeMap::new();
+        assert!(filter.setup(&name, &name, &empty_patterns).is_err());
+
+        // ok
+        filter = ok_filter();
+        assert!(filter.setup(&name, &name, &empty_patterns).is_ok());
+    }
+
+    #[test]
+    fn setup_retry() {
+        let mut filter;
+        let name = "name".to_string();
+        let empty_patterns = Patterns::new();
+
+        // retry but no retry_period
+        filter = ok_filter();
+        filter.retry = Some(2);
+        assert!(filter.setup(&name, &name, &empty_patterns).is_err());
+
+        // retry_period but no retry
+        filter = ok_filter();
+        filter.retry_period = Some("2d".into());
+        assert!(filter.setup(&name, &name, &empty_patterns).is_err());
+
+        // invalid retry_period
+        filter = ok_filter();
+        filter.retry = Some(2);
+        filter.retry_period = Some("2".into());
+        assert!(filter.setup(&name, &name, &empty_patterns).is_err());
+
+        // ok
+        filter = ok_filter();
+        filter.retry = Some(2);
+        filter.retry_period = Some("2d".into());
+        assert!(filter.setup(&name, &name, &empty_patterns).is_ok());
+    }
+
+    #[test]
+    fn setup_longuest_action_duration() {
+        let mut filter;
+        let name = "name".to_string();
+        let empty_patterns = Patterns::new();
+        let minute_str = "1m".to_string();
+        let minute = Duration::from_secs(60);
+        let two_minutes = Duration::from_secs(60 * 2);
+        let two_minutes_str = "2m".to_string();
+
+        // duration 0
+        filter = ok_filter();
+        filter.setup(&name, &name, &empty_patterns).unwrap();
+        assert_eq!(filter.longuest_action_duration, Duration::default());
+
+        let minute_action = ok_action_with_after(minute_str.clone(), &minute_str);
+
+        // duration 60
+        filter = ok_filter();
+        filter
+            .actions
+            .insert(minute_str.clone(), minute_action.clone());
+        filter.setup(&name, &name, &empty_patterns).unwrap();
+        assert_eq!(filter.longuest_action_duration, minute);
+
+        let two_minutes_action = ok_action_with_after(two_minutes_str.clone(), &two_minutes_str);
+
+        // duration 120
+        filter = ok_filter();
+        filter.actions.insert(two_minutes_str, two_minutes_action);
+        filter.actions.insert(minute_str, minute_action);
+        filter.setup(&name, &name, &empty_patterns).unwrap();
+        assert_eq!(filter.longuest_action_duration, two_minutes);
+    }
+
+    #[test]
+    fn setup_regexes() {
+        let name = "name".to_string();
+        let mut filter;
+
+        // make a Patterns
+        let mut patterns = Patterns::new();
+
+        let mut pattern = default_pattern();
+        pattern.regex = "[abc]".to_string();
+        assert!(pattern.setup(&name).is_ok());
+        patterns.insert(name.clone(), pattern.clone().into());
+
+        let unused_name = "unused".to_string();
+        let mut unused_pattern = default_pattern();
+        unused_pattern.regex = "compile[error".to_string();
+        assert!(unused_pattern.setup(&unused_name).is_err());
+        patterns.insert(unused_name.clone(), unused_pattern.clone().into());
+
+        let boubou_name = "boubou".to_string();
+        let mut boubou = boubou_pattern_with_ignore();
+        boubou.setup(&boubou_name).unwrap();
+        patterns.insert(boubou_name.clone(), boubou.clone().into());
+
+        // correct regex replacement
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter.regex.push("insert <name> here$".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(
+            filter.compiled_regex[0].to_string(),
+            Regex::new("insert (?P<name>[abc]) here$")
+                .unwrap()
+                .to_string()
+        );
+        assert_eq!(&filter.regex[0].to_string(), "insert (?P<name>[abc]) here$");
+        assert_eq!(filter.patterns.len(), 1);
+        let stored_pattern = filter.patterns.first().unwrap();
+        assert_eq!(stored_pattern.regex, pattern.regex);
+
+        // same pattern two times in regex
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+            .regex
+            .push("there <name> are two <name> s!".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_err());
+
+        // two patterns in one regex
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+            .regex
+            .push("insert <name> here and <boubou> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(
+            filter.compiled_regex[0].to_string(),
+            Regex::new("insert (?P<name>[abc]) here and (?P<boubou>(?:bou){1,3}) there")
+                .unwrap()
+                .to_string()
+        );
+        assert_eq!(
+            &filter.compiled_regex[0].to_string(),
+            "insert (?P<name>[abc]) here and (?P<boubou>(?:bou){1,3}) there"
+        );
+        assert_eq!(filter.patterns.len(), 2);
+        let stored_pattern = filter.patterns.first().unwrap();
+        assert_eq!(stored_pattern.regex, boubou.regex);
+        let stored_pattern = filter.patterns.last().unwrap();
+        assert_eq!(stored_pattern.regex, pattern.regex);
+
+        // multiple regexes with same pattern
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter.regex.push("insert <name> here".to_string());
+        filter.regex.push("also add <name> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(
+            filter.compiled_regex[0].to_string(),
+            Regex::new("insert (?P<name>[abc]) here")
+                .unwrap()
+                .to_string()
+        );
+        assert_eq!(
+            &filter.compiled_regex[0].to_string(),
+            "insert (?P<name>[abc]) here"
+        );
+        assert_eq!(
+            filter.compiled_regex[1].to_string(),
+            Regex::new("also add (?P<name>[abc]) there")
+                .unwrap()
+                .to_string()
+        );
+        assert_eq!(
+            &filter.compiled_regex[1].to_string(),
+            "also add (?P<name>[abc]) there"
+        );
+        assert_eq!(filter.patterns.len(), 1);
+        let stored_pattern = filter.patterns.first().unwrap();
+        assert_eq!(stored_pattern.regex, pattern.regex);
+
+        // multiple regexes with same patterns
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+            .regex
+            .push("insert <name> here and <boubou> there".to_string());
+        filter
+            .regex
+            .push("also add <boubou> here and <name> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(
+            filter.compiled_regex[0].to_string(),
+            Regex::new("insert (?P<name>[abc]) here and (?P<boubou>(?:bou){1,3}) there")
+                .unwrap()
+                .to_string()
+        );
+        assert_eq!(
+            filter.compiled_regex[1].to_string(),
+            Regex::new("also add (?P<boubou>(?:bou){1,3}) here and (?P<name>[abc]) there")
+                .unwrap()
+                .to_string()
+        );
+        assert_eq!(
+            &filter.compiled_regex[1].to_string(),
+            "also add (?P<boubou>(?:bou){1,3}) here and (?P<name>[abc]) there"
+        );
+        assert_eq!(filter.patterns.len(), 2);
+        let stored_pattern = filter.patterns.first().unwrap();
+        assert_eq!(stored_pattern.regex, boubou.regex);
+        let stored_pattern = filter.patterns.last().unwrap();
+        assert_eq!(stored_pattern.regex, pattern.regex);
+
+        // multiple regexes with different patterns 1
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter.regex.push("insert <name> here".to_string());
+        filter.regex.push("also add <boubou> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_err());
+
+        // multiple regexes with different patterns 2
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+            .regex
+            .push("insert <name> here and <boubou> there".to_string());
+        filter.regex.push("also add <boubou> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_err());
+
+        // multiple regexes with different patterns 3
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter.regex.push("also add <boubou> there".to_string());
+        filter
+            .regex
+            .push("insert <name> here and <boubou> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_err());
+    }
+
+    #[test]
+    fn get_match() {
+        let name = "name".to_string();
+        let mut filter;
+
+        let mut pattern = ok_pattern_with_ignore();
+        pattern.setup(&name).unwrap();
+        let pattern = Arc::new(pattern);
+
+        let boubou_name = "boubou".to_string();
+        let mut boubou = boubou_pattern_with_ignore();
+        boubou.setup(&boubou_name).unwrap();
+        let boubou = Arc::new(boubou);
+
+        let patterns = Patterns::from([
+            (name.clone(), pattern.clone()),
+            (boubou_name.clone(), boubou.clone()),
+        ]);
+
+        let number_name = "number".to_string();
+        let mut number_pattern = number_pattern();
+        number_pattern.setup(&number_name).unwrap();
+        let number_pattern = Arc::new(number_pattern);
+
+        // one simple regex
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter.regex.push("insert <name> here$".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(filter.get_match("insert b here"), Some(vec!("b".into())));
+        assert_eq!(filter.get_match("insert a here"), None);
+        assert_eq!(filter.get_match("youpi b youpi"), None);
+        assert_eq!(filter.get_match("insert  here"), None);
+
+        // Ok
+        assert_eq!(
+            filter.get_match_from_patterns(BTreeMap::from([(pattern.clone(), "b".into())])),
+            Ok(vec!("b".into()))
+        );
+        // Doesn't match
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([(pattern.clone(), "abc".into())]))
+                .is_err()
+        );
+        // Ignored match
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([(pattern.clone(), "a".into())]))
+                .is_err()
+        );
+        // Bad pattern
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([(boubou.clone(), "bou".into())]))
+                .is_err()
+        );
+        // Bad number of patterns
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([
+                    (pattern.clone(), "b".into()),
+                    (boubou.clone(), "bou".into()),
+                ]))
+                .is_err()
+        );
+        // Bad number of patterns
+        assert!(filter.get_match_from_patterns(BTreeMap::from([])).is_err());
+
+        // two patterns in one regex
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+            .regex
+            .push("insert <name> here and <boubou> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(
+            filter.get_match("insert b here and bouboubou there"),
+            Some(vec!("bouboubou".into(), "b".into()))
+        );
+        assert_eq!(filter.get_match("insert a here and bouboubou there"), None);
+        assert_eq!(filter.get_match("insert b here and boubou there"), None);
+
+        // Ok
+        assert_eq!(
+            filter.get_match_from_patterns(BTreeMap::from([
+                (pattern.clone(), "b".into()),
+                (boubou.clone(), "bou".into()),
+            ])),
+            // Reordered by pattern name
+            Ok(vec!("bou".into(), "b".into()))
+        );
+        // Doesn't match
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([
+                    (pattern.clone(), "abc".into()),
+                    (boubou.clone(), "bou".into()),
+                ]))
+                .is_err()
+        );
+        // Ignored match
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([
+                    (pattern.clone(), "b".into()),
+                    (boubou.clone(), "boubou".into()),
+                ]))
+                .is_err()
+        );
+        // Bad pattern
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([
+                    (pattern.clone(), "b".into()),
+                    (number_pattern.clone(), "1".into()),
+                ]))
+                .is_err()
+        );
+        // Bad number of patterns
+        assert!(
+            filter
+                .get_match_from_patterns(BTreeMap::from([
+                    (pattern.clone(), "b".into()),
+                    (boubou.clone(), "bou".into()),
+                    (number_pattern.clone(), "1".into()),
+                ]))
+                .is_err()
+        );
+        // Bad number of patterns
+        assert!(filter.get_match_from_patterns(BTreeMap::from([])).is_err());
+
+        // multiple regexes with same pattern
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter.regex.push("insert <name> here".to_string());
+        filter.regex.push("also add <name> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(filter.get_match("insert a here"), None);
+        assert_eq!(filter.get_match("insert b here"), Some(vec!("b".into())));
+        assert_eq!(filter.get_match("also add a there"), None);
+        assert_eq!(filter.get_match("also add b there"), Some(vec!("b".into())));
+
+        // multiple regexes with same patterns
+        filter = Filter::default();
+        filter.actions.insert(name.clone(), ok_action());
+        filter
+            .regex
+            .push("insert <name> here and <boubou> there".to_string());
+        filter
+            .regex
+            .push("also add <boubou> here and <name> there".to_string());
+        assert!(filter.setup(&name, &name, &patterns).is_ok());
+        assert_eq!(
+            filter.get_match("insert b here and bouboubou there"),
+            Some(vec!("bouboubou".into(), "b".into()))
+        );
+        assert_eq!(
+            filter.get_match("also add bouboubou here and b there"),
+            Some(vec!("bouboubou".into(), "b".into()))
+        );
+        assert_eq!(filter.get_match("insert a here and bouboubou there"), None);
+        assert_eq!(
+            filter.get_match("also add bouboubou here and a there"),
+            None
+        );
+        assert_eq!(filter.get_match("insert b here and boubou there"), None);
+        assert_eq!(filter.get_match("also add boubou here and b there"), None);
+    }
+
+    #[test]
+    fn get_match_from_patterns() {
+        // TODO
+    }
+
+    #[test]
+    fn filtered_actions_from_match_one_regex_pattern() {
+        let az_patterns = Pattern::new_map("az", "[a-z]+").unwrap();
+        let action = Action::new(
+            vec!["zblorg <az>"],
+            None,
+            false,
+            "test",
+            "test",
+            "a1",
+            &az_patterns,
+            0,
+        );
+        let filter = Filter::new(
+            vec![action.clone()],
+            vec![""],
+            None,
+            None,
+            "test",
+            "test",
+            Duplicate::default(),
+            &az_patterns,
+        );
+        assert_eq!(
+            vec![&action],
+            filter.filtered_actions_from_match(&vec!["zboum".into()])
+        );
+    }
+
+    #[test]
+    fn filtered_actions_from_match_two_regex_patterns() {
+        let patterns = BTreeMap::from([
+            (
+                "az".to_string(),
+                Arc::new(Pattern::new("az", "[a-z]+").unwrap()),
+            ),
+            (
+                "num".to_string(),
+                Arc::new(Pattern::new("num", "[0-9]{1,3}").unwrap()),
+            ),
+        ]);
+        let action1 = Action::new(
+            vec!["zblorg <az> <num>"],
+            None,
+            false,
+            "test",
+            "test",
+            "a1",
+            &patterns,
+            0,
+        );
+        let action2 = Action::new(
+            vec!["zbleurg <num> <az>"],
+            None,
+            false,
+            "test",
+            "test",
+            "a2",
+            &patterns,
+            0,
+        );
+        let filter = Filter::new(
+            vec![action1.clone(), action2.clone()],
+            vec![""],
+            None,
+            None,
+            "test",
+            "test",
+            Duplicate::default(),
+            &patterns,
+        );
+        assert_eq!(
+            vec![&action1, &action2],
+            filter.filtered_actions_from_match(&vec!["zboum".into()])
+        );
+    }
+
+    #[test]
+    fn filtered_actions_from_match_one_regex_one_ip() {
+        let patterns = BTreeMap::from([
+            (
+                "az".to_string(),
+                Arc::new(Pattern::new("az", "[a-z]+").unwrap()),
+            ),
+            ("ip".to_string(), {
+                let mut pattern = Pattern {
+                    ip: PatternIp {
+                        pattern_type: PatternType::Ip,
+                        ..Default::default()
+                    },
+                    ..Default::default()
+                };
+                pattern.setup("ip").unwrap();
+                Arc::new(pattern)
+            }),
+        ]);
+        let action4 = Action::new(
+            vec!["zblorg4 <az> <ip>"],
+            None,
+            false,
+            "test",
+            "test",
+            "action4",
+            &patterns,
+            4,
+        );
+        let action6 = Action::new(
+            vec!["zblorg6 <az> <ip>"],
+            None,
+            false,
+            "test",
+            "test",
+            "action6",
+            &patterns,
+            6,
+        );
+        let action = Action::new(
+            vec!["zblorg <az> <ip>"],
+            None,
+            false,
+            "test",
+            "test",
+            "action",
+            &patterns,
+            0,
+        );
+        let filter = Filter::new(
+            vec![action4.clone(), action6.clone(), action.clone()],
+            vec!["<az>: <ip>"],
+            None,
+            None,
+            "test",
+            "test",
+            Duplicate::default(),
+            &patterns,
+        );
+        assert_eq!(
+            filter.filtered_actions_from_match(&vec!["zboum".into(), "1.2.3.4".into()]),
+            vec![&action, &action4],
+        );
+        assert_eq!(
+            filter.filtered_actions_from_match(&vec!["zboum".into(), "ab4:35f::1".into()]),
+            vec![&action, &action6],
+        );
+    }
+}
diff --git a/src/concepts/mod.rs b/src/concepts/mod.rs
new file mode 100644
index 0000000..1952b1b
--- /dev/null
+++ b/src/concepts/mod.rs
@@ -0,0 +1,90 @@
+mod action;
+mod config;
+mod filter;
+mod pattern;
+mod plugin;
+mod stream;
+
+use std::fmt::Debug;
+
+use serde::{Deserialize, Serialize};
+
+pub use action::Action;
+pub use config::{Config, Patterns};
+pub use filter::{Duplicate, Filter};
+pub use pattern::{Pattern, PatternType};
+pub use plugin::Plugin;
+pub use stream::Stream;
+pub use treedb::time::{Time, now};
+
+pub type Match = Vec<String>;
+
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
+pub struct MatchTime {
+    pub m: Match,
+    pub t: Time,
+}
+
+fn merge_attrs<A: Default + Debug + PartialEq + Eq + Clone>(
+    this: A,
+    other: A,
+    default: A,
+    name: &str,
+) -> Result<A, String> {
+    if !(this == default || other == default || this == other) {
+        return Err(format!(
+            "'{name}' has conflicting definitions: '{this:?}', '{other:?}'"
+        ));
+    }
+    if this == default {
+        return Ok(other);
+    }
+    Ok(this)
+}
+
+#[cfg(test)]
+pub use filter::tests as filter_tests;
+
+#[cfg(test)]
+mod tests {
+    use crate::concepts::merge_attrs;
+
+    #[test]
+    fn test_merge_attrs() {
+        assert_eq!(merge_attrs(None::<String>, None, None, "t"), Ok(None));
+        assert_eq!(
+            merge_attrs(Some("coucou"), None, None, "t"),
+            Ok(Some("coucou"))
+        );
+        assert_eq!(
+            merge_attrs(None, Some("coucou"), None, "t"),
+            Ok(Some("coucou"))
+        );
+        assert_eq!(
+            merge_attrs(Some("coucou"), Some("coucou"), None, "t"),
+            Ok(Some("coucou"))
+        );
+        assert_eq!(
+            merge_attrs(Some("coucou"), Some("hello"), None, "t"),
+            Err("'t' has conflicting definitions: 'Some(\"coucou\")', 'Some(\"hello\")'".into())
+        );
+
+        assert_eq!(merge_attrs("", "", "", "t"), Ok(""));
+        assert_eq!(merge_attrs("coucou", "", "", "t"), Ok("coucou"));
+        assert_eq!(merge_attrs("", "coucou", "", "t"), Ok("coucou"));
+        assert_eq!(merge_attrs("coucou", "coucou", "", "t"), Ok("coucou"));
+        assert_eq!(
+            merge_attrs("coucou", "hello", "", "t"),
+            Err("'t' has conflicting definitions: '\"coucou\"', '\"hello\"'".into())
+        );
+
+        assert_eq!(merge_attrs(0, 0, 0, "t"), Ok(0));
+        assert_eq!(merge_attrs(5, 0, 0, "t"), Ok(5));
+        assert_eq!(merge_attrs(0, 5, 0, "t"), Ok(5));
+        assert_eq!(merge_attrs(5, 5, 0, "t"), Ok(5));
+        assert_eq!(
+            merge_attrs(5, 6, 0, "t"),
+            Err("'t' has conflicting definitions: '5', '6'".into())
+        );
+    }
+}
diff --git a/src/concepts/pattern/ip/cidr.rs b/src/concepts/pattern/ip/cidr.rs
new file mode 100644
index 0000000..9e77975
--- /dev/null
+++ b/src/concepts/pattern/ip/cidr.rs
@@ -0,0 +1,239 @@
+use std::{
+    fmt::Display,
+    net::{IpAddr, Ipv4Addr, Ipv6Addr},
+    str::FromStr,
+};
+
+use super::*;
+
+/// Stores an IP and an associated mask.
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum Cidr {
+    IPv4((Ipv4Addr, Ipv4Addr)),
+    IPv6((Ipv6Addr, Ipv6Addr)),
+}
+
+impl FromStr for Cidr {
+    type Err = String;
+
+    fn from_str(cidr: &str) -> Result<Self, Self::Err> {
+        let (ip, mask) = cidr.split_once('/').ok_or(format!(
+            "malformed IP/MASK. '{cidr}' doesn't contain any '/'"
+        ))?;
+        let ip = normalize(ip).map_err(|err| format!("malformed IP '{ip}' in '{cidr}': {err}"))?;
+        let mask_count = u8::from_str(mask)
+            .map_err(|err| format!("malformed mask '{mask}' in '{cidr}': {err}"))?;
+
+        // Let's accept any mask size for now, as useless as it may seem
+        // if mask_count < 2 {
+        //     return Err("Can't have a network mask of 0 or 1. You're either ignoring all Internet or half of it.".into());
+        // } else if mask_count
+        //     < (match ip {
+        //         IpAddr::V4(_) => 8,
+        //         IpAddr::V6(_) => 16,
+        //     })
+        // {
+        //     warn!("With a mask of {mask_count}, you're ignoring a big part of Internet. Are you sure you want to do this?");
+        // }
+
+        Self::from_ip_and_mask(ip, mask_count)
+    }
+}
+
+impl Display for Cidr {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}/{}", self.network(), self.mask())
+    }
+}
+
+impl Cidr {
+    fn from_ip_and_mask(ip: IpAddr, mask_count: u8) -> Result<Self, String> {
+        match ip {
+            IpAddr::V4(mut ipv4_addr) => {
+                // Create bitmask
+                let mask = mask_to_ipv4(mask_count)?;
+                // Normalize IP from mask
+                ipv4_addr &= mask;
+
+                Ok(Cidr::IPv4((ipv4_addr, mask)))
+            }
+            IpAddr::V6(mut ipv6_addr) => {
+                let mask = mask_to_ipv6(mask_count)?;
+                // Normalize IP from mask
+                ipv6_addr &= mask;
+
+                Ok(Cidr::IPv6((ipv6_addr, mask)))
+            }
+        }
+    }
+
+    /// Whether an IP is included in this IP CIDR.
+    /// If IP is not the same version as CIDR, returns always false.
+    pub fn includes(&self, ip: &IpAddr) -> bool {
+        let ip = normalize_ip(*ip);
+        match self {
+            Cidr::IPv4((network_ipv4, mask)) => match ip {
+                IpAddr::V6(_) => false,
+                IpAddr::V4(ipv4_addr) => *network_ipv4 == ipv4_addr & mask,
+            },
+            Cidr::IPv6((network_ipv6, mask)) => match ip {
+                IpAddr::V4(_) => false,
+                IpAddr::V6(ipv6_addr) => *network_ipv6 == ipv6_addr & mask,
+            },
+        }
+    }
+
+    fn network(&self) -> IpAddr {
+        match self {
+            Cidr::IPv4((network, _)) => IpAddr::from(*network),
+            Cidr::IPv6((network, _)) => IpAddr::from(*network),
+        }
+    }
+
+    fn mask(&self) -> u8 {
+        let mut raw_mask = match self {
+            Cidr::IPv4((_, mask)) => mask.to_bits() as u128,
+            Cidr::IPv6((_, mask)) => mask.to_bits(),
+        };
+        let mut ret = 0;
+        for _ in 0..128 {
+            if raw_mask % 2 == 1 {
+                ret += 1;
+            }
+            raw_mask >>= 1;
+        }
+        ret
+    }
+}
+
+#[cfg(test)]
+mod cidr_tests {
+    use std::{
+        net::{IpAddr, Ipv4Addr, Ipv6Addr},
+        str::FromStr,
+    };
+
+    use super::Cidr;
+
+    #[test]
+    fn cidrv4_from_str() {
+        assert_eq!(
+            Ok(Cidr::IPv4((Ipv4Addr::new(192, 168, 1, 4), u32::MAX.into()))),
+            Cidr::from_str("192.168.1.4/32")
+        );
+        // Test IP normalization from mask
+        assert_eq!(
+            Ok(Cidr::IPv4((
+                Ipv4Addr::new(192, 168, 1, 0),
+                Ipv4Addr::new(255, 255, 255, 0),
+            ))),
+            Cidr::from_str("192.168.1.4/24")
+        );
+        // Another ok-test "pour la route"
+        assert_eq!(
+            Ok(Cidr::IPv4((
+                Ipv4Addr::new(1, 1, 0, 0),
+                Ipv4Addr::new(255, 255, 0, 0),
+            ))),
+            Cidr::from_str("1.1.248.25/16")
+        );
+        // Errors
+        assert!(Cidr::from_str("256.1.1.1/8").is_err());
+        // assert!(Cidr::from_str("1.1.1.1/0").is_err());
+        // assert!(Cidr::from_str("1.1.1.1/1").is_err());
+        // assert!(Cidr::from_str("1.1.1.1.1").is_err());
+        assert!(Cidr::from_str("1.1.1.1/16/16").is_err());
+    }
+
+    #[test]
+    fn cidrv6_from_str() {
+        assert_eq!(
+            Ok(Cidr::IPv6((
+                Ipv6Addr::new(0xfe80, 0, 0, 0, 0xdf68, 0x2ee, 0xe4f9, 0xe68),
+                u128::MAX.into()
+            ))),
+            Cidr::from_str("fe80::df68:2ee:e4f9:e68/128")
+        );
+        // Test IP normalization from mask
+        assert_eq!(
+            Ok(Cidr::IPv6((
+                Ipv6Addr::new(0x2001, 0xdb8, 0x85a3, 0x9de5, 0, 0, 0, 0),
+                Ipv6Addr::new(u16::MAX, u16::MAX, u16::MAX, u16::MAX, 0, 0, 0, 0),
+            ))),
+            Cidr::from_str("2001:db8:85a3:9de5::8a2e:370:7334/64")
+        );
+        // Another ok-test "pour la route"
+        assert_eq!(
+            Ok(Cidr::IPv6((
+                Ipv6Addr::new(0x2001, 0xdb8, 0x85a3, 0x9d00, 0, 0, 0, 0),
+                Ipv6Addr::new(
+                    u16::MAX,
+                    u16::MAX,
+                    u16::MAX,
+                    u16::MAX - u8::MAX as u16,
+                    0,
+                    0,
+                    0,
+                    0
+                ),
+            ))),
+            Cidr::from_str("2001:db8:85a3:9d00::8a2e:370:7334/56")
+        );
+        assert!(Cidr::from_str("2001:db8:85a3:0:0:8a2e:370:7334/56").is_ok());
+        assert!(Cidr::from_str("2001:DB8:85A3:0:0:8A2E:370:7334/56").is_ok());
+        // Errors
+        assert!(Cidr::from_str("2001:db8:85a3:0:0:8a2e:370:g334/56").is_err());
+        // assert!(Cidr::from_str("2001:db8:85a3:0:0:8a2e:370:7334/0").is_err());
+        // assert!(Cidr::from_str("2001:db8:85a3:0:0:8a2e:370:7334/1").is_err());
+        assert!(Cidr::from_str("2001:db8:85a3:0:0:8a2e:370:7334:11/56").is_err());
+        assert!(Cidr::from_str("2001:db8:85a3:0:0:8a2e:370:7334/11/56").is_err());
+    }
+
+    #[test]
+    fn cidrv4_includes() {
+        let cidr = Cidr::from_str("192.168.1.0/24").unwrap();
+        assert!(cidr.includes(&IpAddr::V4(Ipv4Addr::new(192, 168, 1, 0))));
+        assert!(cidr.includes(&IpAddr::V4(Ipv4Addr::new(192, 168, 1, 1))));
+        assert!(cidr.includes(&IpAddr::V4(Ipv4Addr::new(192, 168, 1, 234))));
+        assert!(!cidr.includes(&IpAddr::V4(Ipv4Addr::new(192, 168, 0, 1))));
+        assert!(!cidr.includes(&IpAddr::V6(Ipv6Addr::new(
+            0xfe80, 0, 0, 0, 0xdf68, 0x2ee, 0xe4f9, 0xe68
+        ),)));
+    }
+
+    #[test]
+    fn cidrv6_includes() {
+        let cidr = Cidr::from_str("2001:db8:85a3:9d00:0:8a2e:370:7334/56").unwrap();
+        assert!(cidr.includes(&IpAddr::V6(Ipv6Addr::new(
+            0x2001, 0x0db8, 0x85a3, 0x9d00, 0, 0, 0, 0
+        ))));
+        assert!(cidr.includes(&IpAddr::V6(Ipv6Addr::new(
+            0x2001, 0x0db8, 0x85a3, 0x9da4, 0x34fc, 0x0d8b, 0xffff, 0x1111
+        ))));
+        assert!(!cidr.includes(&IpAddr::V6(Ipv6Addr::new(
+            0x2001, 0x0db8, 0x85a3, 0xad00, 0, 0, 0, 1
+        ))));
+        assert!(!cidr.includes(&IpAddr::V4(Ipv4Addr::new(192, 168, 1, 0))));
+    }
+
+    #[test]
+    fn cidr_display() {
+        let cidrs = [
+            ("192.168.1.4/32", "192.168.1.4/32"),
+            ("192.168.1.4/24", "192.168.1.0/24"),
+            ("1.1.248.25/16", "1.1.0.0/16"),
+            ("fe80::df68:2ee:e4f9:e68/128", "fe80::df68:2ee:e4f9:e68/128"),
+            (
+                "2001:db8:85a3:9de5::8a2e:370:7334/64",
+                "2001:db8:85a3:9de5::/64",
+            ),
+            (
+                "2001:db8:85a3:9d00::8a2e:370:7334/56",
+                "2001:db8:85a3:9d00::/56",
+            ),
+        ];
+        for (from, to) in cidrs {
+            assert_eq!(Cidr::from_str(from).unwrap().to_string(), to);
+        }
+    }
+}
diff --git a/src/concepts/pattern/ip/mod.rs b/src/concepts/pattern/ip/mod.rs
new file mode 100644
index 0000000..1488614
--- /dev/null
+++ b/src/concepts/pattern/ip/mod.rs
@@ -0,0 +1,730 @@
+use std::{
+    net::{IpAddr, Ipv4Addr, Ipv6Addr},
+    str::FromStr,
+};
+
+use serde::{Deserialize, Serialize};
+use tracing::warn;
+
+use cidr::Cidr;
+use utils::*;
+
+mod cidr;
+mod utils;
+
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Deserialize, Serialize)]
+pub enum PatternType {
+    #[default]
+    #[serde(rename = "regex")]
+    Regex,
+    #[serde(rename = "ip")]
+    Ip,
+    #[serde(rename = "ipv4")]
+    Ipv4,
+    #[serde(rename = "ipv6")]
+    Ipv6,
+}
+
+impl PatternType {
+    pub fn is_default(&self) -> bool {
+        *self == PatternType::default()
+    }
+
+    pub fn regex(&self) -> Option<String> {
+        // Those orders of preference are very important for <ip>
+        // patterns that have greedy catch-all regexes becore or after them,
+        // for example: "Failed password .*<ip>.*"
+
+        let num4 = [
+            // Order is important, first is preferred.
+
+            // first 25x
+            "(?:25[0-5]",
+            // then 2xx
+            "2[0-4][0-9]",
+            // then 1xx
+            "1[0-9][0-9]",
+            // then 0xx
+            "[1-9][0-9]",
+            // then 0x
+            "[0-9])",
+        ]
+        .join("|");
+
+        let numsix = "[0-9a-fA-F]{1,4}";
+
+        let ipv4 = format!(r#"{num4}(?:\.{num4}){{3}}"#);
+
+        #[allow(clippy::useless_format)]
+        let ipv6 = [
+            // We're unrolling all possibilities, longer IPv6 first,
+            // to make it super-greedy,
+            // more than an eventual .* before or after <ip> ,
+            // that would "eat" its first or last blocks.
+
+            // Order is important, first is preferred.
+
+            // We put IPv4-suffixed regexes first
+            format!(r#"::(?:ffff(?::0{{1,4}})?:)?{ipv4}"#),
+            format!(r#"(?:{numsix}:){{1,4}}:{ipv4}"#),
+            // Then link-local addresses with interface name
+            format!(r#"fe80:(?::[0-9a-fA-F]{{0,4}}){{0,4}}%[0-9a-zA-Z]+"#),
+            // Full IPv6
+            format!("(?:{numsix}:){{7}}{numsix}"),
+            // 1 block cut
+            format!("(?:{numsix}:){{7}}:"),
+            format!("(?:{numsix}:){{6}}:{numsix}"),
+            format!("(?:{numsix}:){{5}}(?::{numsix}){{2}}"),
+            format!("(?:{numsix}:){{4}}(?::{numsix}){{3}}"),
+            format!("(?:{numsix}:){{3}}(?::{numsix}){{4}}"),
+            format!("(?:{numsix}:){{2}}(?::{numsix}){{5}}"),
+            format!("{numsix}:(?:(?::{numsix}){{6}})"),
+            format!(":(?:(?::{numsix}){{7}})"),
+            // 2 blocks cut
+            format!("(?:{numsix}:){{6}}:"),
+            format!("(?:{numsix}:){{5}}:{numsix}"),
+            format!("(?:{numsix}:){{4}}(?::{numsix}){{2}}"),
+            format!("(?:{numsix}:){{3}}(?::{numsix}){{3}}"),
+            format!("(?:{numsix}:){{2}}(?::{numsix}){{4}}"),
+            format!("{numsix}:(?:(?::{numsix}){{5}})"),
+            format!(":(?:(?::{numsix}){{6}})"),
+            // 3 blocks cut
+            format!("(?:{numsix}:){{5}}:"),
+            format!("(?:{numsix}:){{4}}:{numsix}"),
+            format!("(?:{numsix}:){{3}}(?::{numsix}){{2}}"),
+            format!("(?:{numsix}:){{2}}(?::{numsix}){{3}}"),
+            format!("{numsix}:(?:(?::{numsix}){{4}})"),
+            format!(":(?:(?::{numsix}){{5}})"),
+            // 4 blocks cut
+            format!("(?:{numsix}:){{4}}:"),
+            format!("(?:{numsix}:){{3}}:{numsix}"),
+            format!("(?:{numsix}:){{2}}(?::{numsix}){{2}}"),
+            format!("{numsix}:(?:(?::{numsix}){{3}})"),
+            format!(":(?:(?::{numsix}){{4}})"),
+            // 5 blocks cut
+            format!("(?:{numsix}:){{3}}:"),
+            format!("(?:{numsix}:){{2}}:{numsix}"),
+            format!("{numsix}:(?:(?::{numsix}){{2}})"),
+            format!(":(?:(?::{numsix}){{3}})"),
+            // 6 blocks cut
+            format!("(?:{numsix}:){{2}}:"),
+            format!("{numsix}::{numsix}"),
+            format!(":(?:(?::{numsix}){{2}})"),
+            // 7 blocks cut
+            format!("{numsix}::"),
+            format!("::{numsix}"),
+            // special cuts
+            // 8 blocks cut
+            format!("::"),
+        ]
+        .join("|");
+        match self {
+            PatternType::Ipv4 => Some(ipv4),
+            PatternType::Ipv6 => Some(ipv6),
+            PatternType::Ip => Some(format!("{ipv4}|{ipv6}")),
+            PatternType::Regex => None,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Default, PartialEq, Eq, Deserialize, Serialize)]
+pub struct PatternIp {
+    #[serde(
+        default,
+        rename = "type",
+        skip_serializing_if = "PatternType::is_default"
+    )]
+    pub pattern_type: PatternType,
+
+    #[serde(default, rename = "ipv4mask")]
+    pub ipv4_mask: Option<u8>,
+    #[serde(default, rename = "ipv6mask")]
+    pub ipv6_mask: Option<u8>,
+    #[serde(skip)]
+    pub ipv4_bitmask: Option<Ipv4Addr>,
+    #[serde(skip)]
+    pub ipv6_bitmask: Option<Ipv6Addr>,
+
+    #[serde(default, rename = "ignorecidr", skip_serializing_if = "Vec::is_empty")]
+    pub ignore_cidr: Vec<String>,
+    #[serde(skip)]
+    pub ignore_cidr_normalized: Vec<Cidr>,
+}
+
+impl PatternIp {
+    pub fn pattern_type(&self) -> PatternType {
+        self.pattern_type
+    }
+
+    /// Setup the IP-specific part of a Pattern.
+    /// Returns an optional regex string if of type IP, else None
+    /// Returns an error if one of:
+    /// - the type is not IP but there is IP-specific config
+    /// - the type is IP/IPv4/IPv6 and there is invalid IP-specific config
+    /// - the type is IPv4 and there is IPv6-specific config
+    /// - the type is IPv6 and there is IPv4-specific config
+    pub fn setup(&mut self) -> Result<Option<String>, String> {
+        match self.pattern_type {
+            PatternType::Regex => {
+                if self.ipv4_mask.is_some() {
+                    return Err("ipv4mask is only allowed for patterns of `type: 'ip'`".into());
+                }
+                if self.ipv6_mask.is_some() {
+                    return Err("ipv6mask is only allowed for patterns of `type: 'ip'`".into());
+                }
+                if !self.ignore_cidr.is_empty() {
+                    return Err("ignorecidr is only allowed for patterns of `type: 'ip'`".into());
+                }
+            }
+
+            PatternType::Ip | PatternType::Ipv4 | PatternType::Ipv6 => {
+                if let Some(mask) = self.ipv4_mask {
+                    self.ipv4_bitmask = Some(mask_to_ipv4(mask)?);
+                }
+                if let Some(mask) = self.ipv6_mask {
+                    self.ipv6_bitmask = Some(mask_to_ipv6(mask)?);
+                }
+
+                for cidr in &self.ignore_cidr {
+                    let cidr_normalized = Cidr::from_str(cidr)?;
+                    let cidr_normalized_string = cidr_normalized.to_string();
+                    if &cidr_normalized_string != cidr {
+                        warn!(
+                            "CIDR {cidr} should be rewritten in its normalized form: {cidr_normalized_string}"
+                        );
+                    }
+                    self.ignore_cidr_normalized.push(cidr_normalized);
+                }
+                self.ignore_cidr = Vec::default();
+
+                match self.pattern_type {
+                    PatternType::Regex => (),
+                    PatternType::Ip => (),
+                    PatternType::Ipv4 => {
+                        if self.ipv6_mask.is_some() {
+                            return Err("An IPv4-only pattern can't have an ipv6mask".into());
+                        }
+                        for cidr in &self.ignore_cidr_normalized {
+                            if let Cidr::IPv6(_) = cidr {
+                                return Err(format!(
+                                    "An IPv4-only pattern can't have an IPv6 ({}) as an ignore",
+                                    cidr
+                                ));
+                            }
+                        }
+                    }
+
+                    PatternType::Ipv6 => {
+                        if self.ipv4_mask.is_some() {
+                            return Err("An IPv6-only pattern can't have an ipv4mask".into());
+                        }
+                        for cidr in &self.ignore_cidr_normalized {
+                            if let Cidr::IPv4(_) = cidr {
+                                return Err(format!(
+                                    "An IPv6-only pattern can't have an IPv4 ({}) as an ignore",
+                                    cidr
+                                ));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        Ok(self.pattern_type.regex())
+    }
+
+    /// Whether the IP match is included in one of [`Self::ignore_cidr`]
+    pub fn is_ignore(&self, match_: &str) -> bool {
+        let match_ip = match IpAddr::from_str(match_) {
+            Ok(ip) => ip,
+            Err(_) => return false,
+        };
+        self.ignore_cidr_normalized
+            .iter()
+            .any(|cidr| cidr.includes(&match_ip))
+    }
+
+    /// Normalize the pattern.
+    /// This should happen after checking on ignores.
+    /// No-op when the pattern is not an IP.
+    /// Otherwise BitAnd the IP with its configured mask,
+    /// and add the /<mask>
+    pub fn normalize(&self, match_: &mut String) {
+        let ip = match self.pattern_type {
+            PatternType::Regex => None,
+            // Attempt to normalize only if type is IP*
+            _ => normalize(match_)
+                .ok()
+                .and_then(|ip| match self.pattern_type {
+                    PatternType::Ip => Some(ip),
+                    PatternType::Ipv4 => match ip {
+                        IpAddr::V4(_) => Some(ip),
+                        _ => None,
+                    },
+                    PatternType::Ipv6 => match ip {
+                        IpAddr::V6(_) => Some(ip),
+                        _ => None,
+                    },
+                    _ => None,
+                }),
+        };
+        if let Some(ip) = ip {
+            *match_ = match ip {
+                IpAddr::V4(addr) => match self.ipv4_bitmask {
+                    Some(bitmask) => {
+                        format!("{}/{}", addr & bitmask, self.ipv4_mask.unwrap_or(32))
+                    }
+                    None => addr.to_string(),
+                },
+                IpAddr::V6(addr) => match self.ipv6_bitmask {
+                    Some(bitmask) => {
+                        format!("{}/{}", addr & bitmask, self.ipv6_mask.unwrap_or(128))
+                    }
+                    None => addr.to_string(),
+                },
+            };
+        }
+    }
+}
+
+#[cfg(test)]
+mod patternip_tests {
+    use std::net::{Ipv4Addr, Ipv6Addr};
+
+    use tokio::{fs::read_to_string, task::JoinSet};
+
+    use crate::{
+        concepts::{Action, Duplicate, Filter, Pattern, now},
+        daemon::{React, tests::TestBed},
+    };
+
+    use super::{Cidr, PatternIp, PatternType};
+
+    #[test]
+    fn test_setup_type_regex() {
+        let mut regex_struct = PatternIp {
+            pattern_type: PatternType::Regex,
+            ..Default::default()
+        };
+        let copy = regex_struct.clone();
+        // All default patterns is ok for regex type
+        assert!(regex_struct.setup().is_ok());
+        // Setup changes nothing
+        assert_eq!(regex_struct, copy);
+
+        // Any non-default field is err
+
+        let mut regex_struct = PatternIp {
+            pattern_type: PatternType::Regex,
+            ipv4_mask: Some(24),
+            ..Default::default()
+        };
+        assert!(regex_struct.setup().is_err());
+
+        let mut regex_struct = PatternIp {
+            pattern_type: PatternType::Regex,
+            ipv6_mask: Some(64),
+            ..Default::default()
+        };
+        assert!(regex_struct.setup().is_err());
+
+        let mut regex_struct = PatternIp {
+            pattern_type: PatternType::Regex,
+            ignore_cidr: vec!["192.168.1/24".into()],
+            ..Default::default()
+        };
+        assert!(regex_struct.setup().is_err());
+    }
+
+    #[test]
+    fn test_setup_type_ip() {
+        for pattern_type in [PatternType::Ip, PatternType::Ipv4, PatternType::Ipv6] {
+            let mut ip_struct = PatternIp {
+                pattern_type,
+                ..Default::default()
+            };
+            assert!(ip_struct.setup().is_ok());
+
+            let mut ip_struct = PatternIp {
+                pattern_type,
+                ipv4_mask: Some(24),
+                ..Default::default()
+            };
+            match pattern_type {
+                PatternType::Ipv6 => assert!(ip_struct.setup().is_err()),
+                _ => {
+                    assert!(ip_struct.setup().is_ok());
+                    assert_eq!(
+                        ip_struct.ipv4_bitmask,
+                        Some(Ipv4Addr::new(255, 255, 255, 0))
+                    );
+                }
+            }
+
+            let mut ip_struct = PatternIp {
+                pattern_type,
+                ipv6_mask: Some(64),
+                ..Default::default()
+            };
+            match pattern_type {
+                PatternType::Ipv4 => assert!(ip_struct.setup().is_err()),
+                _ => {
+                    assert!(ip_struct.setup().is_ok());
+                    assert_eq!(
+                        ip_struct.ipv6_bitmask,
+                        Some(Ipv6Addr::new(0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0))
+                    );
+                }
+            }
+
+            let mut ip_struct = PatternIp {
+                pattern_type,
+                ignore_cidr: vec!["192.168.1.0/24".into()],
+                ..Default::default()
+            };
+            match pattern_type {
+                PatternType::Ipv6 => assert!(ip_struct.setup().is_err()),
+                _ => {
+                    assert!(ip_struct.setup().is_ok());
+                    assert_eq!(
+                        ip_struct.ignore_cidr_normalized,
+                        vec![Cidr::IPv4((
+                            Ipv4Addr::new(192, 168, 1, 0),
+                            Ipv4Addr::new(255, 255, 255, 0)
+                        ))]
+                    );
+                }
+            }
+
+            let mut ip_struct = PatternIp {
+                pattern_type,
+                ignore_cidr: vec!["::ffff:192.168.1.0/24".into()],
+                ..Default::default()
+            };
+            match pattern_type {
+                PatternType::Ipv6 => assert!(ip_struct.setup().is_err()),
+                _ => {
+                    assert!(ip_struct.setup().is_ok());
+                    assert_eq!(
+                        ip_struct.ignore_cidr_normalized,
+                        vec![Cidr::IPv4((
+                            Ipv4Addr::new(192, 168, 1, 0),
+                            Ipv4Addr::new(255, 255, 255, 0)
+                        ))]
+                    );
+                }
+            }
+
+            let mut ip_struct = PatternIp {
+                pattern_type,
+                ignore_cidr: vec!["2001:db8:85a3:9de5::8a2e:370:7334/64".into()],
+                ..Default::default()
+            };
+            match pattern_type {
+                PatternType::Ipv4 => assert!(ip_struct.setup().is_err()),
+                _ => {
+                    assert!(ip_struct.setup().is_ok());
+                    assert_eq!(
+                        ip_struct.ignore_cidr_normalized,
+                        vec![Cidr::IPv6((
+                            Ipv6Addr::new(0x2001, 0xdb8, 0x85a3, 0x9de5, 0, 0, 0, 0),
+                            Ipv6Addr::new(u16::MAX, u16::MAX, u16::MAX, u16::MAX, 0, 0, 0, 0),
+                        ))]
+                    );
+                }
+            }
+        }
+    }
+
+    #[test]
+    fn test_is_ignore() {
+        let mut ip_struct = PatternIp {
+            pattern_type: PatternType::Ip,
+            ignore_cidr: vec!["10.0.0.0/8".into(), "2001:db8:85a3:9de5::/64".into()],
+            ..Default::default()
+        };
+        ip_struct.setup().unwrap();
+        assert!(!ip_struct.is_ignore("prout"));
+        assert!(!ip_struct.is_ignore("1.1.1.1"));
+        assert!(!ip_struct.is_ignore("11.1.1.1"));
+        assert!(!ip_struct.is_ignore("2001:db8:85a3:9de6::1"));
+        assert!(ip_struct.is_ignore("10.1.1.1"));
+        assert!(ip_struct.is_ignore("2001:db8:85a3:9de5::1"));
+    }
+
+    #[test]
+    fn test_normalize() {
+        let ipv4_32 = "1.1.1.1";
+        let ipv4_32_norm = "1.1.1.1";
+        let ipv4_24 = "1.1.1.0";
+        let ipv4_24_norm = "1.1.1.0";
+        let ipv4_24_mask = "1.1.1.0/24";
+        let ipv6_128 = "2001:db8:85a3:9de5:0:0:01:02";
+        let ipv6_128_norm = "2001:db8:85a3:9de5::1:2";
+        let ipv6_64 = "2001:db8:85a3:9de5:0:0:0:0";
+        let ipv6_64_norm = "2001:db8:85a3:9de5::";
+        let ipv6_64_mask = "2001:db8:85a3:9de5::/64";
+
+        for (ipv4_mask, ipv6_mask) in [(Some(24), None), (None, Some(64)), (Some(24), Some(64))] {
+            let mut ip_struct = PatternIp {
+                pattern_type: PatternType::Ip,
+                ipv4_mask,
+                ipv6_mask,
+                ..Default::default()
+            };
+            ip_struct.setup().unwrap();
+
+            let mut ipv4_32_modified = ipv4_32.to_string();
+            let mut ipv4_24_modified = ipv4_24.to_string();
+            let mut ipv6_128_modified = ipv6_128.to_string();
+            let mut ipv6_64_modified = ipv6_64.to_string();
+
+            ip_struct.normalize(&mut ipv4_32_modified);
+            ip_struct.normalize(&mut ipv4_24_modified);
+            ip_struct.normalize(&mut ipv6_128_modified);
+            ip_struct.normalize(&mut ipv6_64_modified);
+
+            match ipv4_mask {
+                Some(_) => {
+                    // modified with mask
+                    assert_eq!(
+                        ipv4_32_modified, ipv4_24_mask,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                    assert_eq!(
+                        ipv4_24_modified, ipv4_24_mask,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                }
+                None => {
+                    // only normaized
+                    assert_eq!(
+                        ipv4_32_modified, ipv4_32_norm,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                    assert_eq!(
+                        ipv4_24_modified, ipv4_24_norm,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                }
+            }
+
+            match ipv6_mask {
+                Some(_) => {
+                    // modified with mask
+                    assert_eq!(
+                        ipv6_128_modified, ipv6_64_mask,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                    assert_eq!(
+                        ipv6_64_modified, ipv6_64_mask,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                }
+                None => {
+                    // only normalized
+                    assert_eq!(
+                        ipv6_128_modified, ipv6_128_norm,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                    assert_eq!(
+                        ipv6_64_modified, ipv6_64_norm,
+                        "ipv4mask: {:?}, ipv6mask: {:?}",
+                        ipv4_mask, ipv6_mask
+                    );
+                }
+            }
+        }
+    }
+
+    pub const VALID_IPV4: [&str; 8] = [
+        "252.4.92.250",
+        "212.4.92.210",
+        "112.4.92.110",
+        "83.4.92.35",
+        "83.4.92.0",
+        "3.254.92.4",
+        "1.2.3.4",
+        "255.255.255.255",
+    ];
+
+    pub const VALID_IPV6: [&str; 42] = [
+        // all accepted characters
+        "0123:4567:89:ab:cdef:AB:CD:EF",
+        // ipv6-mapped ipv4
+        "::ffff:1.2.3.4",
+        "ffff::1.2.3.4",
+        // 8 blocks
+        "1111:2:3:4:5:6:7:8888",
+        // 7 blocks
+        "::2:3:4:5:6:7:8888",
+        "1111::3:4:5:6:7:8888",
+        "1111:2::4:5:6:7:8888",
+        "1111:2:3::5:6:7:8888",
+        "1111:2:3:4::6:7:8888",
+        "1111:2:3:4:5::7:8888",
+        "1111:2:3:4:5:6::8888",
+        "1111:2:3:4:5:6:7::",
+        // 6 blocks
+        "::3:4:5:6:7:8888",
+        "1111::4:5:6:7:8888",
+        "1111:2::5:6:7:8888",
+        "1111:2:3::6:7:8888",
+        "1111:2:3:4::7:8888",
+        "1111:2:3:4:5::8888",
+        "1111:2:3:4:5:6::",
+        // 5 blocks
+        "::4:5:6:7:8888",
+        "1111::5:6:7:8888",
+        "1111:2::6:7:8888",
+        "1111:2:3::7:8888",
+        "1111:2:3:4::8888",
+        "1111:2:3:4:5::",
+        // 4 blocks
+        "::5:6:7:8888",
+        "1111::6:7:8888",
+        "1111:2::7:8888",
+        "1111:2:3::8888",
+        "1111:2:3:4::",
+        // 3 blocks
+        "::6:7:8888",
+        "1111::7:8888",
+        "1111:2::8888",
+        "1111:2:3::",
+        // 2 blocks
+        "::7:8888",
+        "1111::8888",
+        "1111:2::",
+        // 1 block
+        "::8",
+        "::8888",
+        "1::",
+        "1111::",
+        // 0 block
+        "::",
+    ];
+
+    #[test]
+    fn test_ip_regexes() {
+        for pattern_type in [PatternType::Ip, PatternType::Ipv4, PatternType::Ipv6] {
+            let mut pattern = Pattern {
+                ip: PatternIp {
+                    pattern_type,
+                    ..Default::default()
+                },
+                ..Default::default()
+            };
+            assert!(pattern.setup("zblorg").is_ok());
+            let regex = pattern.compiled().unwrap();
+
+            let accepts_ipv4 = pattern_type == PatternType::Ip || pattern_type == PatternType::Ipv4;
+            let accepts_ipv6 = pattern_type == PatternType::Ip || pattern_type == PatternType::Ipv6;
+
+            macro_rules! assert2 {
+                ($a:expr) => {
+                    assert!($a, "PatternType: {pattern_type:?}");
+                };
+            }
+
+            for ip in VALID_IPV4 {
+                assert2!(accepts_ipv4 == regex.is_match(ip));
+            }
+
+            assert2!(!regex.is_match(".1.2.3.4"));
+            assert2!(!regex.is_match(" 1.2.3.4"));
+            assert2!(!regex.is_match("1.2.3.4 "));
+            assert2!(!regex.is_match("1.2. 3.4"));
+            assert2!(!regex.is_match("257.2.3.4"));
+            assert2!(!regex.is_match("074.2.3.4"));
+            assert2!(!regex.is_match("1.2.3.4.5"));
+            assert2!(!regex.is_match("1.2..4"));
+            assert2!(!regex.is_match("1.2..3.4"));
+
+            for ip in VALID_IPV6 {
+                assert2!(accepts_ipv6 == regex.is_match(ip));
+            }
+
+            assert2!(!regex.is_match("1:"));
+            assert2!(!regex.is_match("1:::"));
+            assert2!(!regex.is_match("1:::2"));
+            assert2!(!regex.is_match("1:2:3:4:5:6:7:8:9"));
+            assert2!(!regex.is_match("1:23456:3:4:5:6:7:8"));
+            assert2!(!regex.is_match("1:2:3:4:5:6:7:8:"));
+        }
+    }
+
+    #[tokio::test(flavor = "multi_thread")]
+    async fn ip_pattern_matches() {
+        let mut join_set = JoinSet::new();
+
+        for ip in VALID_IPV4.iter().chain(&VALID_IPV6) {
+            for line in [
+                format!("borned {ip} test"),
+                //
+                format!("right-unborned {ip} text"),
+                format!("right-unborned {ip}text"),
+                format!("right-unborned {ip}:"),
+                //
+                format!("left-unborned text {ip}"),
+                format!("left-unborned text{ip}"),
+                format!("left-unborned :{ip}"),
+                //
+                format!("full-unborned text {ip} text"),
+                format!("full-unborned text{ip} text"),
+                format!("full-unborned text {ip}text"),
+                format!("full-unborned text{ip}text"),
+                format!("full-unborned :{ip}:"),
+                format!("full-unborned : {ip}:"),
+            ] {
+                join_set.spawn(tokio::spawn(async move {
+                    let bed = TestBed::default();
+                    let filter = Filter::new_static(
+                        vec![Action::new(
+                            vec!["sh", "-c", &format!("echo <ip> >> {}", &bed.out_file)],
+                            None,
+                            false,
+                            "test",
+                            "test",
+                            "a1",
+                            &bed.ip_patterns,
+                            0,
+                        )],
+                        vec![
+                            "^borned <ip> test",
+                            "^right-unborned <ip>.*",
+                            "^left-unborned .*<ip>",
+                            "^full-unborned .*<ip>.*",
+                        ],
+                        None,
+                        None,
+                        "test",
+                        "test",
+                        Duplicate::Ignore,
+                        &bed.ip_patterns,
+                    );
+                    let bed = bed.part2(filter, now(), None).await;
+                    assert_eq!(
+                        bed.manager.handle_line(&line, now()).await,
+                        React::Trigger,
+                        "line: {line}"
+                    );
+                    tokio::time::sleep(std::time::Duration::from_millis(50)).await;
+                    assert_eq!(
+                        &read_to_string(&bed.out_file).await.unwrap().trim_end(),
+                        ip,
+                        "line: {line}"
+                    );
+                }));
+            }
+        }
+
+        join_set.join_all().await;
+    }
+}
diff --git a/src/concepts/pattern/ip/utils.rs b/src/concepts/pattern/ip/utils.rs
new file mode 100644
index 0000000..2e1ad66
--- /dev/null
+++ b/src/concepts/pattern/ip/utils.rs
@@ -0,0 +1,122 @@
+use std::{
+    net::{AddrParseError, IpAddr, Ipv4Addr, Ipv6Addr},
+    str::FromStr,
+};
+
+/// Normalize a string as an IP address.
+/// IPv6-mapped IPv4 addresses are casted to IPv4.
+pub fn normalize(ip: &str) -> Result<IpAddr, AddrParseError> {
+    IpAddr::from_str(ip).map(normalize_ip)
+}
+
+/// Normalize a string as an IP address.
+/// IPv6-mapped IPv4 addresses are casted to IPv4.
+pub fn normalize_ip(ip: IpAddr) -> IpAddr {
+    match ip {
+        IpAddr::V4(_) => ip,
+        IpAddr::V6(ipv6) => match ipv6.to_ipv4_mapped() {
+            Some(ipv4) => IpAddr::V4(ipv4),
+            None => ip,
+        },
+    }
+}
+
+/// Creates an [`Ipv4Addr`] from a mask
+pub fn mask_to_ipv4(mask_count: u8) -> Result<Ipv4Addr, String> {
+    if mask_count > 32 {
+        Err(format!(
+            "an IPv4 mask must be 32 max. {mask_count} is too big."
+        ))
+    } else {
+        let mask = match mask_count {
+            0 => 0u32,
+            n => u32::MAX << (32 - n),
+        };
+        let mask = Ipv4Addr::from_bits(mask);
+        Ok(mask)
+    }
+}
+
+/// Creates an [`Ipv4Addr`] from a mask
+pub fn mask_to_ipv6(mask_count: u8) -> Result<Ipv6Addr, String> {
+    if mask_count > 128 {
+        Err(format!(
+            "an IPv4 mask must be 128 max. {mask_count} is too big."
+        ))
+    } else {
+        let mask = match mask_count {
+            0 => 0u128,
+            n => u128::MAX << (128 - n),
+        };
+        let mask = Ipv6Addr::from_bits(mask);
+        Ok(mask)
+    }
+}
+
+#[cfg(test)]
+mod utils_tests {
+    use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
+
+    use super::{mask_to_ipv4, mask_to_ipv6, normalize};
+
+    #[test]
+    fn test_normalize_ip() {
+        assert_eq!(
+            normalize("83.44.23.14"),
+            Ok(IpAddr::V4(Ipv4Addr::new(83, 44, 23, 14)))
+        );
+        assert_eq!(
+            normalize("2001:db8:85a3::8a2e:370:7334"),
+            Ok(IpAddr::V6(Ipv6Addr::new(
+                0x2001, 0xdb8, 0x85a3, 0x0, 0x0, 0x8a2e, 0x370, 0x7334
+            )))
+        );
+        assert_eq!(
+            normalize("::ffff:192.168.1.34"),
+            Ok(IpAddr::V4(Ipv4Addr::new(192, 168, 1, 34)))
+        );
+        assert_eq!(
+            normalize("::ffff:1.2.3.4"),
+            Ok(IpAddr::V4(Ipv4Addr::new(1, 2, 3, 4)))
+        );
+        // octal numbers are forbidden
+        assert!(normalize("083.44.23.14").is_err());
+    }
+
+    #[test]
+    fn test_mask_to_ipv4() {
+        assert!(mask_to_ipv4(33).is_err());
+        assert!(mask_to_ipv4(100).is_err());
+        assert_eq!(mask_to_ipv4(16), Ok(Ipv4Addr::new(255, 255, 0, 0)));
+        assert_eq!(mask_to_ipv4(24), Ok(Ipv4Addr::new(255, 255, 255, 0)));
+        assert_eq!(mask_to_ipv4(25), Ok(Ipv4Addr::new(255, 255, 255, 128)));
+        assert_eq!(mask_to_ipv4(26), Ok(Ipv4Addr::new(255, 255, 255, 192)));
+        assert_eq!(mask_to_ipv4(32), Ok(Ipv4Addr::new(255, 255, 255, 255)));
+    }
+
+    #[test]
+    fn test_mask_to_ipv6() {
+        assert!(mask_to_ipv6(129).is_err());
+        assert!(mask_to_ipv6(254).is_err());
+        assert_eq!(
+            mask_to_ipv6(56),
+            Ok(Ipv6Addr::new(0xffff, 0xffff, 0xffff, 0xff00, 0, 0, 0, 0))
+        );
+        assert_eq!(
+            mask_to_ipv6(64),
+            Ok(Ipv6Addr::new(0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0))
+        );
+        assert_eq!(
+            mask_to_ipv6(112),
+            Ok(Ipv6Addr::new(
+                0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0
+            ))
+        );
+        assert_eq!(
+            mask_to_ipv6(128),
+            Ok(Ipv6Addr::new(
+                0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff
+            ))
+        );
+    }
+}
diff --git a/src/concepts/pattern/mod.rs b/src/concepts/pattern/mod.rs
new file mode 100644
index 0000000..365f379
--- /dev/null
+++ b/src/concepts/pattern/mod.rs
@@ -0,0 +1,348 @@
+use std::cmp::Ordering;
+
+use regex::{Regex, RegexSet};
+use serde::{Deserialize, Serialize};
+
+mod ip;
+
+pub use ip::{PatternIp, PatternType};
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[cfg_attr(test, derive(Default))]
+#[serde(deny_unknown_fields)]
+pub struct Pattern {
+    #[serde(default)]
+    pub regex: String,
+
+    #[serde(default, skip_serializing_if = "Vec::is_empty")]
+    pub ignore: Vec<String>,
+
+    #[serde(default, rename = "ignoreregex", skip_serializing_if = "Vec::is_empty")]
+    pub ignore_regex: Vec<String>,
+    #[serde(skip)]
+    pub compiled_ignore_regex: RegexSet,
+
+    #[serde(flatten)]
+    pub ip: PatternIp,
+
+    #[serde(skip)]
+    pub name: String,
+    #[serde(skip)]
+    pub name_with_braces: String,
+}
+
+impl Pattern {
+    #[cfg(test)]
+    pub fn from_name(name: &str) -> Pattern {
+        Pattern {
+            name: name.into(),
+            ..Pattern::default()
+        }
+    }
+
+    pub fn name_with_braces(&self) -> &String {
+        &self.name_with_braces
+    }
+
+    pub fn pattern_type(&self) -> PatternType {
+        self.ip.pattern_type
+    }
+
+    pub fn setup(&mut self, name: &str) -> Result<(), String> {
+        self._setup(name)
+            .map_err(|msg| format!("pattern {}: {}", name, msg))
+    }
+    fn _setup(&mut self, name: &str) -> Result<(), String> {
+        self.name = name.to_string();
+        self.name_with_braces = format!("<{}>", name);
+
+        if self.name.is_empty() {
+            return Err("pattern name is empty".into());
+        }
+        if self.name.contains('.') {
+            return Err("character '.' is not allowed in pattern name".into());
+        }
+
+        if let Some(regex) = self.ip.setup()? {
+            if !self.regex.is_empty() {
+                return Err("patterns of type ip, ipv4, ipv6 have a built-in regex defined. you should not define it yourself".into());
+            }
+            self.regex = regex;
+        }
+
+        if self.regex.is_empty() {
+            return Err("regex is empty".into());
+        }
+        let compiled = self.compiled()?;
+
+        self.regex = format!("(?P<{}>{})", self.name, self.regex);
+
+        for ignore in &self.ignore {
+            if !compiled.is_match(ignore) {
+                return Err(format!(
+                    "ignore '{}' doesn't match pattern. It should be fixed or removed.",
+                    ignore,
+                ));
+            }
+        }
+
+        self.compiled_ignore_regex =
+            match RegexSet::new(self.ignore_regex.iter().map(|regex| format!("^{}$", regex))) {
+                Ok(set) => set,
+                Err(err) => {
+                    // Recompile regexes one by one to display a more specific error
+                    for ignore_regex in &self.ignore_regex {
+                        Regex::new(&format!("^{}$", ignore_regex))
+                            .map_err(|err| format!("ignoreregex '{}': {}", ignore_regex, err))?;
+                    }
+                    // Here we should have returned an error already.
+                    // Returning a more generic error if not (which shouldn't happen).
+                    return Err(format!("ignoreregex: {}", err));
+                }
+            };
+        self.ignore_regex = Vec::default();
+
+        Ok(())
+    }
+
+    /// Returns the pattern's regex compiled standalone, enclosed in ^ and $
+    /// It's not kept as a field of the [`Pattern`] struct
+    /// because it's only used during setup and for the `trigger` manual command.
+    ///
+    /// *Yes, I know, avoiding a few bytes of memory is certainly a bad idea.*
+    /// *I'm open to discussion.*
+    fn compiled(&self) -> Result<Regex, String> {
+        Regex::new(&format!("^{}$", self.regex)).map_err(|err| err.to_string())
+    }
+
+    /// Normalize the pattern.
+    /// This should happen after checking on ignores.
+    /// No-op when the pattern is not an IP.
+    /// Otherwise BitAnd the IP with its configured mask,
+    /// and add the /<mask>
+    pub fn normalize(&self, match_: &mut String) {
+        self.ip.normalize(match_)
+    }
+
+    /// Whether the provided string is a match for this pattern or not.
+    ///
+    /// Doesn't take into account ignore and ignore_regex:
+    /// use [`Self::is_ignore`] to access this information.
+    pub fn is_match(&self, match_: &str) -> bool {
+        match self.compiled() {
+            Ok(regex) => regex.is_match(match_),
+            // Should not happen, this function should be called only after
+            // [`Pattern::setup`]
+            Err(_) => false,
+        }
+    }
+
+    /// Whether the provided string is ignored by the ignore or ignoreregex
+    /// fields of this pattern.
+    ///
+    /// Can be used in combination with [`Self::is_match`].
+    pub fn is_ignore(&self, match_: &str) -> bool {
+        self.ignore.iter().any(|ignore| ignore == match_)
+            || self.compiled_ignore_regex.is_match(match_)
+            || self.ip.is_ignore(match_)
+    }
+}
+
+// This is required to be added to a BTreeSet
+// We compare Patterns by their names, which are unique.
+// This is enforced by Patterns' names coming from their keys in a BTreeMap in Config
+impl Ord for Pattern {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.name.cmp(&other.name)
+    }
+}
+impl PartialOrd for Pattern {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+impl Eq for Pattern {}
+impl PartialEq for Pattern {
+    fn eq(&self, other: &Self) -> bool {
+        self.name == other.name
+    }
+}
+
+#[cfg(test)]
+impl Pattern {
+    /// Test-only constructor designed to be easy to call
+    pub fn new(name: &str, regex: &str) -> Result<Self, String> {
+        let mut pattern = Self {
+            regex: regex.into(),
+            ..Default::default()
+        };
+        pattern.setup(name)?;
+        Ok(pattern)
+    }
+
+    /// Test-only constructor designed to be easy to call.
+    /// Constructs a full [`super::Patterns`] collection with one given pattern
+    pub fn new_map(name: &str, regex: &str) -> Result<super::Patterns, String> {
+        Ok(std::iter::once((name.into(), Self::new(name, regex)?.into())).collect())
+    }
+}
+
+#[cfg(test)]
+pub mod tests {
+
+    use super::*;
+
+    pub fn default_pattern() -> Pattern {
+        Pattern {
+            regex: "".into(),
+            ignore: Vec::new(),
+            ignore_regex: Vec::new(),
+            compiled_ignore_regex: RegexSet::default(),
+            ip: PatternIp::default(),
+            name: "".into(),
+            name_with_braces: "".into(),
+        }
+    }
+
+    pub fn ok_pattern() -> Pattern {
+        let mut pattern = default_pattern();
+        pattern.regex = "[abc]".into();
+        pattern
+    }
+
+    pub fn ok_pattern_with_ignore() -> Pattern {
+        let mut pattern = ok_pattern();
+        pattern.ignore.push("a".into());
+        pattern
+    }
+
+    pub fn boubou_pattern_with_ignore() -> Pattern {
+        let mut pattern = ok_pattern();
+        pattern.regex = "(?:bou){1,3}".to_string();
+        pattern.ignore.push("boubou".into());
+        pattern
+    }
+
+    pub fn number_pattern() -> Pattern {
+        let mut pattern = ok_pattern();
+        pattern.regex = "[0-1]+".to_string();
+        pattern
+    }
+
+    #[test]
+    fn setup_missing_information() {
+        let mut pattern;
+
+        // Empty name
+        pattern = default_pattern();
+        pattern.regex = "abc".into();
+        assert!(pattern.setup("").is_err());
+
+        // '.' in name
+        pattern = default_pattern();
+        pattern.regex = "abc".into();
+        assert!(pattern.setup("na.me").is_err());
+
+        // Empty regex
+        pattern = default_pattern();
+        assert!(pattern.setup("name").is_err());
+    }
+
+    #[test]
+    fn setup_regex() {
+        let mut pattern;
+
+        // regex ok
+        pattern = ok_pattern();
+        assert!(pattern.setup("name").is_ok());
+
+        // regex ok
+        pattern = default_pattern();
+        pattern.regex = "abc".into();
+        assert!(pattern.setup("name").is_ok());
+
+        // regex ko
+        pattern = default_pattern();
+        pattern.regex = "[abc".into();
+        assert!(pattern.setup("name").is_err());
+    }
+
+    #[test]
+    fn setup_ignore() {
+        let mut pattern;
+
+        // ignore ok
+        pattern = default_pattern();
+        pattern.regex = "[abc]".into();
+        pattern.ignore.push("a".into());
+        pattern.ignore.push("b".into());
+        assert!(pattern.setup("name").is_ok());
+
+        // ignore ko
+        pattern = default_pattern();
+        pattern.regex = "[abc]".into();
+        pattern.ignore.push("d".into());
+        assert!(pattern.setup("name").is_err());
+    }
+
+    #[test]
+    fn setup_ignore_regex() {
+        let mut pattern;
+
+        // ignore_regex ok
+        pattern = default_pattern();
+        pattern.regex = "[abc]".into();
+        pattern.ignore_regex.push("[a]".into());
+        pattern.ignore_regex.push("a".into());
+        assert!(pattern.setup("name").is_ok());
+
+        // ignore_regex ko
+        pattern = default_pattern();
+        pattern.regex = "[abc]".into();
+        pattern.ignore.push("[a".into());
+        assert!(pattern.setup("name").is_err());
+    }
+
+    #[test]
+    fn setup_yml() {
+        let mut pattern: Pattern = serde_yaml::from_str("{}").unwrap();
+        assert!(pattern.setup("name").is_err());
+
+        let mut pattern: Pattern = serde_yaml::from_str(r#"regex: "[abc]""#).unwrap();
+        assert!(pattern.setup("name").is_ok());
+
+        let mut pattern: Pattern = serde_yaml::from_str(r#"type: ip"#).unwrap();
+        assert!(pattern.setup("name").is_ok());
+
+        let mut pattern: Pattern = serde_yaml::from_str(r#"type: ipv4"#).unwrap();
+        assert!(pattern.setup("name").is_ok());
+
+        let mut pattern: Pattern = serde_yaml::from_str(r#"type: ipv6"#).unwrap();
+        assert!(pattern.setup("name").is_ok());
+
+        assert!(serde_yaml::from_str::<Pattern>(r#"type: zblorg"#).is_err());
+    }
+
+    #[test]
+    fn is_ignore() {
+        let mut pattern;
+
+        // ignore ok
+        pattern = default_pattern();
+        pattern.regex = "[abcdefg]".into();
+        pattern.ignore.push("a".into());
+        pattern.ignore.push("b".into());
+        pattern.ignore_regex.push("c".into());
+        pattern.ignore_regex.push("[de]".into());
+
+        pattern.setup("name").unwrap();
+        assert!(pattern.is_ignore("a"));
+        assert!(pattern.is_ignore("b"));
+        assert!(pattern.is_ignore("c"));
+        assert!(pattern.is_ignore("d"));
+        assert!(pattern.is_ignore("e"));
+        assert!(!pattern.is_ignore("f"));
+        assert!(!pattern.is_ignore("g"));
+        assert!(!pattern.is_ignore("h"));
+    }
+}
diff --git a/src/concepts/plugin.rs b/src/concepts/plugin.rs
new file mode 100644
index 0000000..5e22287
--- /dev/null
+++ b/src/concepts/plugin.rs
@@ -0,0 +1,218 @@
+use std::{collections::BTreeMap, io::Error, path, process::Stdio};
+
+#[cfg(target_os = "macos")]
+use std::os::darwin::fs::MetadataExt;
+#[cfg(target_os = "freebsd")]
+use std::os::freebsd::fs::MetadataExt;
+#[cfg(target_os = "illumos")]
+use std::os::illumos::fs::MetadataExt;
+#[cfg(target_os = "linux")]
+use std::os::linux::fs::MetadataExt;
+#[cfg(target_os = "netbsd")]
+use std::os::netbsd::fs::MetadataExt;
+#[cfg(target_os = "openbsd")]
+use std::os::openbsd::fs::MetadataExt;
+#[cfg(target_os = "solaris")]
+use std::os::solaris::fs::MetadataExt;
+
+use serde::{Deserialize, Serialize};
+use tokio::{
+    fs,
+    process::{Child, Command},
+};
+use tracing::{debug, warn};
+
+// TODO commented options block execution of program,
+// while developping in my home directory.
+// Some options may still be useful in production environments.
+fn systemd_default_options(working_directory: &str) -> BTreeMap<String, Vec<String>> {
+    BTreeMap::from(
+        [
+            // reaction slice (does nothing if inexistent)
+            ("Slice", vec!["reaction.slice"]),
+            // Started in its own directory
+            ("WorkingDirectory", vec![working_directory]),
+            // No file access except own directory
+            ("ReadWritePaths", vec![working_directory]),
+            ("ReadOnlyPaths", vec!["/"]),
+            ("InaccessiblePaths", vec!["/boot", "/etc"]),
+            // Protect special filesystems
+            ("PrivateDevices", vec!["true"]),
+            ("PrivateMounts", vec!["true"]),
+            ("PrivateTmp", vec!["true"]),
+            // ("PrivateUsers", vec!["true"]),
+            ("ProcSubset", vec!["pid"]),
+            ("ProtectClock", vec!["true"]),
+            ("ProtectControlGroups", vec!["true"]),
+            #[cfg(not(debug_assertions))]
+            ("ProtectHome", vec!["true"]),
+            ("ProtectHostname", vec!["true"]),
+            ("ProtectKernelLogs", vec!["true"]),
+            ("ProtectKernelModules", vec!["true"]),
+            ("ProtectKernelTunables", vec!["true"]),
+            ("ProtectProc", vec!["invisible"]),
+            ("ProtectSystem", vec!["strict"]),
+            // Various Protections
+            ("LockPersonality", vec!["true"]),
+            ("NoNewPrivileges", vec!["true"]),
+            ("AmbientCapabilities", vec![""]),
+            ("CapabilityBoundingSet", vec![""]),
+            // Isolate File
+            ("RemoveIPC", vec!["true"]),
+            ("RestrictNamespaces", vec!["true"]),
+            ("RestrictSUIDSGID", vec!["true"]),
+            ("SystemCallArchitectures", vec!["native"]),
+            (
+                "SystemCallFilter",
+                vec!["@system-service", "~@privileged", "~@resources", "~@setuid"],
+            ),
+            // User
+            // FIXME Setting another user doesn't work, because of stdio pipe permission errors
+            // ("DynamicUser", vec!["true"]),
+            // ("User", vec!["reaction-plugin-test"]),
+            // Too restrictive
+            // ("NoExecPaths", vec!["/"]),
+            // ("RestrictAddressFamilies", vec![""]),
+        ]
+        .map(|(k, v)| (k.into(), v.into_iter().map(|v| v.into()).collect())),
+    )
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[cfg_attr(test, derive(Default))]
+#[serde(deny_unknown_fields)]
+pub struct Plugin {
+    #[serde(skip)]
+    pub name: String,
+
+    pub path: String,
+    /// Check that plugin file owner is root
+    #[serde(default = "_true")]
+    pub check_root: bool,
+    /// Enable systemd containerization
+    #[serde(default = "_true")]
+    pub systemd: bool,
+    /// Options for `run0`
+    #[serde(default)]
+    pub systemd_options: BTreeMap<String, Vec<String>>,
+}
+
+fn _true() -> bool {
+    true
+}
+
+// NOTE
+// `run0` can be used for security customisation.
+// with the --pipe option, raw stdio fd are transmitted to the underlying command, so there is no overhead.
+
+impl Plugin {
+    pub fn setup(&mut self, name: &str) -> Result<(), String> {
+        self.name = name.to_string();
+
+        if self.path.is_empty() {
+            return Err("can't specify empty plugin path".into());
+        }
+
+        // Only when testing, make relative paths absolute
+        #[cfg(debug_assertions)]
+        if !self.path.starts_with("/") {
+            self.path = format!(
+                "{}/{}",
+                std::env::current_dir()
+                    .map_err(|err| format!("error on working directory: {err}"))?
+                    .to_string_lossy(),
+                self.path
+            );
+        }
+
+        // Disallow relative paths
+        if !self.path.starts_with("/") {
+            return Err(format!("plugin paths must be absolute: {}", self.path));
+        }
+        Ok(())
+    }
+
+    /// Override default options with user-defined options, when defined.
+    pub fn systemd_setup(&self, working_directory: &str) -> BTreeMap<String, Vec<String>> {
+        let mut new_options = systemd_default_options(working_directory);
+        for (option, value) in self.systemd_options.iter() {
+            new_options.insert(option.clone(), value.clone());
+        }
+        new_options
+    }
+
+    pub async fn launch(&self, state_directory: &str) -> Result<Child, std::io::Error> {
+        // owner check
+        if self.check_root {
+            let path = self.path.clone();
+            let stat = fs::metadata(path).await?;
+
+            if stat.st_uid() != 0 {
+                return Err(Error::other("plugin file is not owned by root"));
+            }
+        }
+
+        let self_uid = if self.systemd {
+            Some(
+                // Well well we want to check if we're root
+                #[allow(unsafe_code)]
+                unsafe {
+                    nix::libc::geteuid()
+                },
+            )
+        } else {
+            None
+        };
+
+        // Create plugin working directory (also state directory)
+        let plugin_working_directory = format!("{state_directory}/plugin_data/{}", self.name);
+        fs::create_dir_all(&plugin_working_directory).await?;
+
+        let mut command = if self_uid.is_some_and(|self_uid| self_uid == 0) {
+            let mut command = Command::new("run0");
+            // --pipe gives direct, non-emulated stdio access, for better performance.
+            command.arg("--pipe");
+            // run the command inside the same slice as reaction
+            command.arg("--slice-inherit");
+
+            // Make path absolute for systemd
+            let full_workdir = path::absolute(&plugin_working_directory)?;
+            let full_workdir = full_workdir.to_str().ok_or_else(|| {
+                std::io::Error::new(
+                    std::io::ErrorKind::InvalidFilename,
+                    format!(
+                        "Could not absolutize plugin working directory {plugin_working_directory}"
+                    ),
+                )
+            })?;
+            let merged_systemd_options = self.systemd_setup(full_workdir);
+            // run0 options
+            for (option, values) in merged_systemd_options.iter() {
+                for value in values.iter() {
+                    command.arg("--property").arg(format!("{option}={value}"));
+                }
+            }
+            command.arg(&self.path);
+            command
+        } else {
+            if self.systemd {
+                warn!("Disabling systemd because reaction does not run as root");
+            }
+            let mut command = Command::new(&self.path);
+            command.current_dir(plugin_working_directory);
+            command
+        };
+        command.arg("serve");
+        debug!(
+            "plugin {}: running command: {:?}",
+            self.name,
+            command.as_std()
+        );
+        command
+            .stdin(Stdio::piped())
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .env("RUST_BACKTRACE", "1")
+            .spawn()
+    }
+}
diff --git a/src/concepts/stream.rs b/src/concepts/stream.rs
new file mode 100644
index 0000000..97e6ece
--- /dev/null
+++ b/src/concepts/stream.rs
@@ -0,0 +1,188 @@
+use std::{cmp::Ordering, collections::BTreeMap, hash::Hash};
+
+use reaction_plugin::StreamConfig;
+use regex::RegexSet;
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+use super::{Filter, Patterns, merge_attrs};
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+#[cfg_attr(test, derive(Default))]
+#[serde(deny_unknown_fields)]
+pub struct Stream {
+    #[serde(default)]
+    pub cmd: Vec<String>,
+
+    #[serde(default)]
+    pub filters: BTreeMap<String, Filter>,
+
+    #[serde(skip)]
+    pub name: String,
+
+    #[serde(skip)]
+    pub compiled_regex_set: RegexSet,
+    #[serde(skip)]
+    pub regex_index_to_filter_name: Vec<String>,
+
+    // Plugin-specific
+    #[serde(default, rename = "type", skip_serializing_if = "Option::is_none")]
+    pub stream_type: Option<String>,
+    #[serde(default, skip_serializing_if = "Value::is_null")]
+    pub options: Value,
+}
+
+impl Stream {
+    pub fn get_filter(&self, filter_name: &str) -> Option<&Filter> {
+        self.filters.get(filter_name)
+    }
+
+    pub fn merge(&mut self, other: Stream) -> Result<(), String> {
+        self.cmd = merge_attrs(self.cmd.clone(), other.cmd, Vec::default(), "cmd")?;
+        self.stream_type = merge_attrs(self.stream_type.clone(), other.stream_type, None, "type")?;
+
+        for (key, filter) in other.filters.into_iter() {
+            if self.filters.insert(key.clone(), filter).is_some() {
+                return Err(format!(
+                    "filter {} is already defined. filter definitions can't be spread accross multiple files.",
+                    key
+                ));
+            }
+        }
+
+        Ok(())
+    }
+
+    pub fn is_plugin(&self) -> bool {
+        self.stream_type
+            .as_ref()
+            .is_some_and(|stream_type| stream_type != "cmd")
+    }
+
+    pub fn setup(&mut self, name: &str, patterns: &Patterns) -> Result<(), String> {
+        self._setup(name, patterns)
+            .map_err(|msg| format!("stream {}: {}", name, msg))
+    }
+
+    fn _setup(&mut self, name: &str, patterns: &Patterns) -> Result<(), String> {
+        self.name = name.to_string();
+
+        if self.name.is_empty() {
+            return Err("stream name is empty".into());
+        }
+        if self.name.contains('.') {
+            return Err("character '.' is not allowed in stream name".into());
+        }
+
+        if !self.is_plugin() {
+            if self.cmd.is_empty() {
+                return Err("cmd is empty".into());
+            }
+            if self.cmd[0].is_empty() {
+                return Err("cmd's first item is empty".into());
+            }
+            if !self.options.is_null() {
+                return Err("can't define options without a plugin type".into());
+            }
+        } else if !self.cmd.is_empty() {
+            return Err("can't define cmd and a plugin type".into());
+        }
+
+        if self.filters.is_empty() {
+            return Err("no filters configured".into());
+        }
+
+        for (key, filter) in &mut self.filters {
+            filter.setup(name, key, patterns)?;
+        }
+
+        let all_regexes: BTreeMap<_, _> = self
+            .filters
+            .values()
+            .flat_map(|filter| {
+                filter
+                    .regex
+                    .iter()
+                    .map(|regex| (regex, filter.name.clone()))
+            })
+            .collect();
+
+        self.compiled_regex_set = RegexSet::new(all_regexes.keys())
+            .map_err(|err| format!("too much regexes on the filters of this stream: {err}"))?;
+        self.regex_index_to_filter_name = all_regexes.into_values().collect();
+
+        Ok(())
+    }
+
+    pub fn to_stream_config(&self) -> Result<StreamConfig, String> {
+        Ok(StreamConfig {
+            stream_name: self.name.clone(),
+            stream_type: self.stream_type.clone().ok_or_else(|| {
+                format!("stream {} doesn't load a plugin. this is a bug!", self.name)
+            })?,
+            config: self.options.clone().into(),
+        })
+    }
+}
+
+impl PartialEq for Stream {
+    fn eq(&self, other: &Self) -> bool {
+        self.name == other.name
+    }
+}
+impl Eq for Stream {}
+impl Ord for Stream {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.name.cmp(&other.name)
+    }
+}
+impl PartialOrd for Stream {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+impl Hash for Stream {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.name.hash(state);
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    use crate::concepts::filter::tests::ok_filter;
+
+    fn ok_stream() -> Stream {
+        Stream {
+            cmd: vec!["command".into()],
+            filters: BTreeMap::from([("name".into(), ok_filter())]),
+            ..Default::default()
+        }
+    }
+
+    #[test]
+    fn test() {
+        let mut stream;
+        let name = "name";
+
+        // missing cmd
+        stream = ok_stream();
+        stream.cmd = Vec::new();
+        assert!(stream.setup(name, &BTreeMap::new()).is_err());
+
+        // missing cmd
+        stream = ok_stream();
+        stream.cmd = vec!["".into(), "arg1".into()];
+        assert!(stream.setup(name, &BTreeMap::new()).is_err());
+
+        // missing filters
+        stream = ok_stream();
+        stream.filters = BTreeMap::new();
+        assert!(stream.setup(name, &BTreeMap::new()).is_err());
+
+        // stream ok
+        stream = ok_stream();
+        assert!(stream.setup(name, &BTreeMap::new()).is_ok());
+    }
+}
diff --git a/src/daemon/filter/mod.rs b/src/daemon/filter/mod.rs
new file mode 100644
index 0000000..d0e2104
--- /dev/null
+++ b/src/daemon/filter/mod.rs
@@ -0,0 +1,458 @@
+#[cfg(test)]
+pub mod tests;
+
+mod state;
+
+use std::{collections::BTreeMap, process::Stdio, sync::Arc};
+
+use chrono::TimeZone;
+use reaction_plugin::{ActionImpl, shutdown::ShutdownToken};
+use regex::Regex;
+use tokio::sync::{Mutex, MutexGuard, Semaphore};
+use tracing::{error, info};
+
+use crate::{
+    concepts::{Action, Duplicate, Filter, Match, Pattern, Time},
+    daemon::plugin::Plugins,
+    protocol::{Order, PatternStatus},
+};
+use treedb::Database;
+
+use state::State;
+
+/// Responsible for handling all runtime logic dedicated to a [`Filter`].
+/// Notably handles incoming lines from [`super::stream::stream_manager`]
+/// and orders from the [`super::socket::socket_manager`]
+#[derive(Clone)]
+pub struct FilterManager {
+    /// the Filter managed
+    filter: &'static Filter,
+    /// Permits to limit concurrency of actions execution
+    exec_limit: Option<Arc<Semaphore>>,
+    /// Permits to run pending actions on shutdown
+    shutdown: ShutdownToken,
+    /// Action Plugins
+    action_plugins: BTreeMap<&'static String, ActionImpl>,
+    /// Inner state.
+    /// Protected by a [`Mutex`], permitting FilterManager to be cloned
+    /// and concurrently owned by its stream manager, the socket manager,
+    /// and actions' delayed tasks.
+    state: Arc<Mutex<State>>,
+}
+
+/// The react to a line handling.
+#[derive(Debug, PartialEq, Eq)]
+pub enum React {
+    /// This line doesn't match
+    NoMatch,
+    /// This line matches, but no execution is triggered
+    Match,
+    /// This line matches, and an execution is triggered
+    Trigger,
+}
+
+#[allow(clippy::unwrap_used)]
+impl FilterManager {
+    pub async fn new(
+        filter: &'static Filter,
+        exec_limit: Option<Arc<Semaphore>>,
+        shutdown: ShutdownToken,
+        db: &mut Database,
+        plugins: &mut Plugins,
+        now: Time,
+    ) -> Result<Self, String> {
+        let mut action_plugins = BTreeMap::default();
+        for (action_name, action) in filter.actions.iter().filter(|action| action.1.is_plugin()) {
+            action_plugins.insert(
+                action_name,
+                plugins.get_action_impl(action.to_string()).ok_or_else(|| {
+                    format!("action {action} doesn't load a plugin. this is a bug!")
+                })?,
+            );
+        }
+        let this = Self {
+            filter,
+            exec_limit,
+            shutdown,
+            action_plugins,
+            state: Arc::new(Mutex::new(State::new(filter, db, now).await?)),
+        };
+        Ok(this)
+    }
+
+    pub async fn handle_line(&self, line: &str, now: Time) -> React {
+        if let Some(match_) = self.filter.get_match(line) {
+            if self.handle_match(match_, now).await {
+                React::Trigger
+            } else {
+                React::Match
+            }
+        } else {
+            React::NoMatch
+        }
+    }
+
+    async fn handle_match(&self, m: Match, now: Time) -> bool {
+        #[allow(clippy::unwrap_used)] // propagating panics is ok
+        let mut state = self.state.lock().await;
+        state.clear_past_matches(now).await;
+
+        // if Duplicate::Ignore and already triggered, skip
+        if state.triggers.contains_key(&m) && Duplicate::Ignore == self.filter.duplicate {
+            return false;
+        }
+
+        info!("{}: match {:?}", self.filter, &m);
+
+        let trigger = match self.filter.retry {
+            None => true,
+            Some(retry) => {
+                state.add_match(m.clone(), now).await;
+                // Number of stored times for this match >= configured retry for this filter
+                state.get_times(&m).await >= retry as usize
+            }
+        };
+
+        if trigger {
+            state.remove_match(&m).await;
+            let actions_left = if Duplicate::Extend == self.filter.duplicate {
+                // Get number of actions left from last trigger
+                state
+                    .remove_trigger(&m)
+                    .await
+                    // Only one entry in the map because Duplicate::Extend
+                    .and_then(|map| map.first_key_value().map(|(_, n)| *n))
+            } else {
+                None
+            };
+            state.add_trigger(m.clone(), now, actions_left).await;
+            self.schedule_exec(m, now, now, &mut state, false, actions_left)
+                .await;
+        }
+
+        trigger
+    }
+
+    pub async fn handle_trigger(
+        &self,
+        patterns: BTreeMap<Arc<Pattern>, String>,
+        now: Time,
+    ) -> Result<(), String> {
+        let match_ = self.filter.get_match_from_patterns(patterns)?;
+
+        #[allow(clippy::unwrap_used)] // propagating panics is ok
+        let mut state = self.state.lock().await;
+        state.remove_match(&match_).await;
+        state.add_trigger(match_.clone(), now, None).await;
+        self.schedule_exec(match_, now, now, &mut state, false, None)
+            .await;
+
+        Ok(())
+    }
+
+    pub async fn handle_order(
+        &self,
+        patterns: &BTreeMap<Arc<Pattern>, Regex>,
+        order: Order,
+        now: Time,
+    ) -> BTreeMap<String, PatternStatus> {
+        let is_match = |match_: &Match| {
+            match_
+                .iter()
+                .zip(self.filter.patterns.as_ref())
+                .filter_map(|(a_match, pattern)| {
+                    patterns.get(pattern.as_ref()).map(|regex| (a_match, regex))
+                })
+                .all(|(a_match, regex)| regex.is_match(a_match))
+        };
+
+        #[allow(clippy::unwrap_used)] // propagating panics is ok
+        let mut state = self.state.lock().await;
+
+        let mut cs: BTreeMap<_, _> = {
+            let cloned_matches = state
+                .matches
+                .keys()
+                // match filtering
+                .filter(|match_| is_match(match_))
+                // clone necessary to drop all references to State
+                .cloned()
+                .collect::<Vec<_>>();
+
+            let mut cs = BTreeMap::new();
+            for match_ in cloned_matches {
+                // mutable State required here
+                if let Order::Flush = order {
+                    state.remove_match(&match_).await;
+                }
+                let matches = state
+                    .matches
+                    .get(&match_)
+                    .map(|times| times.len())
+                    .unwrap_or(0);
+                cs.insert(
+                    match_,
+                    PatternStatus {
+                        matches,
+                        ..Default::default()
+                    },
+                );
+            }
+            cs
+        };
+
+        let cloned_triggers = state
+            .triggers
+            .keys()
+            // match filtering
+            .filter(|match_| is_match(match_))
+            // clone necessary to drop all references to State
+            .cloned()
+            .collect::<Vec<_>>();
+
+        for m in cloned_triggers.into_iter() {
+            let map = state.triggers.get(&m).unwrap().clone();
+
+            if let Order::Flush = order {
+                state.remove_trigger(&m).await;
+            }
+
+            for (t, remaining) in map {
+                if remaining > 0 {
+                    let pattern_status = cs.entry(m.clone()).or_default();
+
+                    for action in self.filter.filtered_actions_from_match(&m) {
+                        let action_time = t + action.after_duration.unwrap_or_default();
+                        if action_time > now {
+                            // Pretty print time
+                            let time = chrono::Local
+                                .timestamp_opt(
+                                    action_time.as_secs() as i64,
+                                    action_time.subsec_nanos(),
+                                )
+                                .unwrap()
+                                .to_rfc3339()
+                                .chars()
+                                .take(19)
+                                .collect();
+                            // Insert action
+                            pattern_status
+                                .actions
+                                .entry(action.name.clone())
+                                .or_default()
+                                .push(time);
+
+                            // Execute the action early
+                            if let Order::Flush = order {
+                                self.exec_now(action, m.clone(), t);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        cs.into_iter().map(|(k, v)| (k.join(" "), v)).collect()
+    }
+
+    /// Schedule execution for a given Match.
+    /// We check first if the trigger is still here
+    /// because pending actions can be flushed.
+    async fn schedule_exec(
+        &self,
+        m: Match,
+        t: Time,
+        now: Time,
+        state: &mut MutexGuard<'_, State>,
+        startup: bool,
+        actions_left: Option<u64>,
+    ) {
+        let actions = self
+            .filter
+            .filtered_actions_from_match(&m)
+            .into_iter()
+            // On startup, skip oneshot actions
+            .filter(|action| !startup || !action.oneshot)
+            // skip any actions
+            .skip(match actions_left {
+                Some(actions_left) => {
+                    self.filter.filtered_actions_from_match(&m).len() - actions_left as usize
+                }
+                None => 0,
+            });
+
+        // Scheduling each action
+        for action in actions {
+            let exec_time = t + action.after_duration.unwrap_or_default();
+            let m = m.clone();
+
+            if exec_time <= now {
+                if state.decrement_trigger(&m, t, false).await {
+                    self.exec_now(action, m, t);
+                }
+            } else {
+                let this = self.clone();
+                let action_impl = self.action_plugins.get(&action.name).cloned();
+                tokio::spawn(async move {
+                    let dur = exec_time - now;
+                    // Wait either for end of sleep
+                    // or reaction exiting
+                    let exiting = tokio::select! {
+                        _ = tokio::time::sleep(dur.into()) => false,
+                        _ = this.shutdown.wait() => true,
+                    };
+                    // Exec action if triggered hasn't been already flushed
+                    if !exiting || action.on_exit {
+                        #[allow(clippy::unwrap_used)] // propagating panics is ok
+                        let mut state = this.state.lock().await;
+                        if state.decrement_trigger(&m, t, exiting).await {
+                            exec_now(&this.exec_limit, this.shutdown, action, action_impl, m, t);
+                        }
+                    }
+                });
+            }
+        }
+    }
+
+    /// Clear past triggers and schedule future actions
+    pub async fn start(&self, now: Time) {
+        let longuest_action_duration = self.filter.longuest_action_duration;
+        let number_of_actions = self
+            .filter
+            .actions
+            .values()
+            // On startup, skip oneshot actions
+            .filter(|action| !action.oneshot)
+            .count() as u64;
+
+        #[allow(clippy::unwrap_used)] // propagating panics is ok
+        let mut state = self.state.lock().await;
+
+        let cloned_triggers = state
+            .triggers
+            .iter()
+            .map(|(k, v)| (k.clone(), v.clone()))
+            .collect::<Vec<_>>();
+
+        for (m, map) in cloned_triggers.into_iter() {
+            let map: BTreeMap<_, _> = map
+                .into_iter()
+                // Keep only up-to-date triggers
+                .filter(|(t, remaining)| *remaining > 0 && *t + longuest_action_duration > now)
+                // Reset action count
+                .map(|(t, _)| (t, number_of_actions))
+                .collect();
+
+            if map.is_empty() {
+                state.triggers.remove(&m).await;
+            } else {
+                // Filter duplicates
+                // unwrap is fine because map is not empty (see if)
+                let map = match self.filter.duplicate {
+                    // Keep only last item
+                    Duplicate::Extend => BTreeMap::from([map.into_iter().next_back().unwrap()]),
+                    // Keep only first item
+                    Duplicate::Ignore => BTreeMap::from([map.into_iter().next().unwrap()]),
+                    // No filtering
+                    Duplicate::Rerun => map,
+                };
+                state.triggers.insert(m.clone(), map.clone()).await;
+                for (t, _) in map {
+                    // Schedule the upcoming times
+                    self.schedule_exec(m.clone(), t, now, &mut state, true, None)
+                        .await;
+                }
+            }
+        }
+    }
+
+    fn exec_now(&self, action: &'static Action, m: Match, t: Time) {
+        let action_impl = self.action_plugins.get(&action.name).cloned();
+        exec_now(
+            &self.exec_limit,
+            self.shutdown.clone(),
+            action,
+            action_impl,
+            m,
+            t,
+        )
+    }
+}
+
+fn exec_now(
+    exec_limit: &Option<Arc<Semaphore>>,
+    shutdown: ShutdownToken,
+    action: &'static Action,
+    action_impl: Option<ActionImpl>,
+    m: Match,
+    t: Time,
+) {
+    let exec_limit = exec_limit.clone();
+    tokio::spawn(async move {
+        // Move ShutdownToken in task
+        let _shutdown = shutdown;
+
+        match action_impl {
+            Some(action_impl) => {
+                info!(
+                    "{action}: run {} {:?}",
+                    action.action_type.clone().unwrap_or_default(),
+                    &m,
+                );
+
+                // Sending action
+                if let Err(err) = action_impl
+                    .tx
+                    .send(reaction_plugin::Exec {
+                        match_: m,
+                        time: t.into(),
+                    })
+                    .await
+                {
+                    error!("{action}: communication with plugin failed: {err}");
+                    return;
+                }
+            }
+            None => {
+                // Wait for semaphore's permission, if it is Some
+                let _permit = match exec_limit {
+                    #[allow(clippy::unwrap_used)] // We know the semaphore is not closed
+                    Some(semaphore) => Some(semaphore.acquire_owned().await.unwrap()),
+                    None => None,
+                };
+
+                // Construct command
+                let mut command = action.exec(&m);
+
+                info!("{action}: run [{:?}]", command.as_std());
+                if let Err(err) = command
+                    .stdin(Stdio::null())
+                    .stderr(Stdio::null())
+                    .stdout(Stdio::piped())
+                    .status()
+                    .await
+                {
+                    error!("{action}: run [{:?}], code {err}", command.as_std());
+                }
+            }
+        }
+    });
+}
+
+impl PartialEq for FilterManager {
+    fn eq(&self, other: &Self) -> bool {
+        self.filter == other.filter
+    }
+}
+impl Eq for FilterManager {}
+
+impl Ord for FilterManager {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        self.filter.cmp(other.filter)
+    }
+}
+impl PartialOrd for FilterManager {
+    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
+        Some(self.cmp(other))
+    }
+}
diff --git a/src/daemon/filter/state.rs b/src/daemon/filter/state.rs
new file mode 100644
index 0000000..cad2fbe
--- /dev/null
+++ b/src/daemon/filter/state.rs
@@ -0,0 +1,655 @@
+use std::collections::{BTreeMap, BTreeSet};
+
+use serde_json::Value;
+use treedb::{Database, Tree, helpers::*};
+
+use crate::concepts::{Filter, Match, MatchTime, Time};
+
+pub fn filter_ordered_times_db_name(filter: &Filter) -> String {
+    format!(
+        "filter_ordered_times_{}.{}",
+        filter.stream_name, filter.name
+    )
+}
+
+pub fn filter_triggers_old_db_name(filter: &Filter) -> String {
+    format!("filter_triggers_{}.{}", filter.stream_name, filter.name)
+}
+
+pub fn filter_triggers_db_name(filter: &Filter) -> String {
+    format!("filter_triggers2_{}.{}", filter.stream_name, filter.name)
+}
+
+/// Internal state of a [`FilterManager`].
+/// Holds all data on current matches and triggers.
+pub struct State {
+    /// the Filter managed
+    filter: &'static Filter,
+    /// Has the filter at least an action with an after directive?
+    has_after: bool,
+    /// Saves all the current Matches for this Filter
+    /// Has duplicate values for a key
+    /// Not persisted
+    pub matches: BTreeMap<Match, BTreeSet<Time>>,
+    /// Alternative view of the current Matches for O(1) cleaning of old Matches
+    /// without added async Tasks to remove them
+    /// Persisted
+    ///
+    /// I'm pretty confident that Time will always be unique, because it has enough precision.
+    /// See this code that gives different times, even in a minimal loop:
+    /// ```rust
+    /// use reaction::concepts::now;
+    ///
+    /// let mut res = vec![];
+    /// for _ in 0..10 {
+    ///     let now = now();
+    ///     res.push(format!("Now: {}", now.as_nanos()));
+    /// }
+    /// for s in res {
+    ///     println!("{s}");
+    /// }
+    /// ```
+    pub ordered_times: Tree<Time, Match>,
+    /// Saves all the current Triggers for this Filter
+    /// Persisted
+    pub triggers: Tree<Match, BTreeMap<Time, u64>>,
+}
+
+impl State {
+    pub async fn new(
+        filter: &'static Filter,
+        db: &mut Database,
+        now: Time,
+    ) -> Result<Self, String> {
+        let ordered_times = db
+            .open_tree(
+                filter_ordered_times_db_name(filter),
+                filter.retry_duration.unwrap_or_default(),
+                |(key, value)| Ok((to_time(&key)?, to_match(&value)?)),
+            )
+            .await?;
+        let mut triggers = db
+            .open_tree(
+                filter_triggers_db_name(filter),
+                filter.longuest_action_duration,
+                |(key, value)| Ok((to_match(&key)?, to_timemap(&value)?)),
+            )
+            .await?;
+        if triggers.is_empty() {
+            let old_triggers = db
+                .open_tree(
+                    filter_triggers_old_db_name(filter),
+                    filter.longuest_action_duration,
+                    |(key, value)| Ok((to_matchtime(&key)?, to_u64(&value)?)),
+                )
+                .await?;
+            for (mt, n) in old_triggers.iter() {
+                triggers
+                    .fetch_update(mt.m.clone(), |map| {
+                        Some(match map {
+                            None => [(mt.t, *n)].into(),
+                            Some(mut map) => {
+                                map.insert(mt.t, *n);
+                                map
+                            }
+                        })
+                    })
+                    .await;
+            }
+        }
+        let mut this = Self {
+            filter,
+            has_after: !filter.longuest_action_duration.is_zero(),
+            matches: BTreeMap::new(),
+            ordered_times,
+            triggers,
+        };
+        this.clear_past_matches(now).await;
+        this.load_matches_from_ordered_times().await;
+        Ok(this)
+    }
+
+    pub async fn add_match(&mut self, m: Match, t: Time) {
+        let set = self.matches.entry(m.clone()).or_default();
+        set.insert(t);
+        self.ordered_times.insert(t, m).await;
+    }
+
+    pub async fn add_trigger(&mut self, m: Match, t: Time, action_count: Option<u64>) {
+        // We record triggered filters only when there is an action with an `after` directive
+        if self.has_after {
+            // Add the (Match, Time) to the triggers map
+            let n = action_count
+                .unwrap_or_else(|| self.filter.filtered_actions_from_match(&m).len() as u64);
+            self.triggers
+                .fetch_update(m, |map| {
+                    Some(match map {
+                        None => [(t, n)].into(),
+                        Some(mut value) => {
+                            value.insert(t, n);
+                            value
+                        }
+                    })
+                })
+                .await;
+        }
+    }
+
+    // Completely remove a Match from the matches
+    pub async fn remove_match(&mut self, m: &Match) {
+        if let Some(set) = self.matches.get(m) {
+            for t in set {
+                self.ordered_times.remove(t).await;
+            }
+            self.matches.remove(m);
+        }
+    }
+
+    /// Completely remove a Match from the triggers
+    pub async fn remove_trigger(&mut self, m: &Match) -> Option<BTreeMap<Time, u64>> {
+        self.triggers.remove(m).await
+    }
+
+    /// Returns whether we should still execute an action for this (Match, Time) trigger
+    pub async fn decrement_trigger(&mut self, m: &Match, t: Time, exiting: bool) -> bool {
+        // We record triggered filters only when there is an action with an `after` directive
+        if self.has_after {
+            let mut exec_needed = false;
+            let mt = MatchTime { m: m.clone(), t };
+            let count = self
+                .triggers
+                .get(&mt.m)
+                .and_then(|map| map.get(&mt.t))
+                .cloned();
+            if let Some(count) = count {
+                exec_needed = true;
+                if count <= 1 {
+                    if !exiting {
+                        self.triggers
+                            .fetch_update(mt.m, |map| {
+                                map.and_then(|mut map| {
+                                    map.remove(&mt.t);
+                                    if map.is_empty() { None } else { Some(map) }
+                                })
+                            })
+                            .await;
+                    }
+                    // else don't do anything
+                    // Because that will remove the entry in the DB, and make
+                    // it forget this trigger.
+                    // Maybe we should have 2 maps for triggers:
+                    // - The current for action counting, not persisted
+                    // - Another like ordered_times, Tree<Time, Match>, persisted
+                } else {
+                    self.triggers
+                        .fetch_update(mt.m, |map| {
+                            map.map(|mut map| {
+                                map.insert(mt.t, count - 1);
+                                map
+                            })
+                        })
+                        .await;
+                }
+            }
+            exec_needed
+        } else {
+            true
+        }
+    }
+
+    pub async fn clear_past_matches(&mut self, now: Time) {
+        let retry_duration = self.filter.retry_duration.unwrap_or_default();
+        while self
+            .ordered_times
+            .first_key_value()
+            .is_some_and(|(t, _)| *t + retry_duration < now)
+        {
+            #[allow(clippy::unwrap_used)]
+            // unwrap: we just checked in the condition that first is_some
+            let (t, m) = {
+                let (t, m) = self.ordered_times.first_key_value().unwrap();
+                (*t, m.clone())
+            };
+            self.ordered_times.remove(&t).await;
+            if let Some(set) = self.matches.get(&m) {
+                let mut set = set.clone();
+                set.remove(&t);
+                if set.is_empty() {
+                    self.matches.remove(&m);
+                } else {
+                    self.matches.insert(m, set);
+                }
+            }
+        }
+    }
+
+    pub async fn get_times(&self, m: &Match) -> usize {
+        match self.matches.get(m) {
+            Some(vec) => vec.len(),
+            None => 0,
+        }
+    }
+
+    async fn load_matches_from_ordered_times(&mut self) {
+        for (t, m) in self.ordered_times.iter() {
+            let set = self.matches.entry(m.clone()).or_default();
+            set.insert(*t);
+        }
+    }
+}
+
+/// Tries to convert a [`Value`] into a [`MatchTime`]
+pub fn to_matchtime(val: &Value) -> Result<MatchTime, String> {
+    let map = val.as_object().ok_or("not an object")?;
+    Ok(MatchTime {
+        m: to_match(map.get("m").ok_or("no m in object")?)?,
+        t: to_time(map.get("t").ok_or("no t in object")?)?,
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use std::collections::{BTreeMap, HashMap};
+
+    use serde_json::{Map, Value, json};
+
+    use crate::{
+        concepts::{
+            Action, Duplicate, Filter, MatchTime, Pattern, Time, filter_tests::ok_filter, now,
+        },
+        tests::TempDatabase,
+    };
+
+    use super::{State, to_matchtime};
+
+    // Tests `new`, `clear_past_matches` and `load_matches_from_ordered_times`
+    #[tokio::test]
+    async fn state_new() {
+        let patterns = Pattern::new_map("az", "[a-z]+").unwrap();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(vec!["true"], None, false, "s1", "f1", "a1", &patterns, 0),
+                Action::new(
+                    vec!["true"],
+                    Some("3s"),
+                    false,
+                    "s1",
+                    "f1",
+                    "a2",
+                    &patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            Some(3),
+            Some("2s"),
+            "s1",
+            "f1",
+            Duplicate::default(),
+            &patterns,
+        );
+
+        let now = Time::from_secs(1234567);
+        // DateTime::parse_from_rfc3339("2025-07-10T12:35:00.000+00:00")
+        // .unwrap()
+        // .with_timezone(&Local);
+        let now_plus_1m = now + Time::from_mins(1);
+        let now_plus_1m01 = now_plus_1m + Time::from_secs(1);
+        let now_less_1m = now - Time::from_mins(1);
+        let now_less_1s = now - Time::from_secs(1);
+        let now_less_4s = now - Time::from_secs(4);
+        let now_less_5s = now - Time::from_secs(5);
+
+        let triggers = [
+            // format v1
+            (
+                "filter_triggers_s1.f1".into(),
+                HashMap::from([
+                    // Will stay
+                    (
+                        json!({
+                            "t": now_plus_1m,
+                            "m": ["one"],
+                        }),
+                        json!(1),
+                    ),
+                    (
+                        json!({
+                            "t": now_less_1s,
+                            "m": ["one"],
+                        }),
+                        json!(1),
+                    ),
+                    // Will not get cleaned because it's FilterManager's task
+                    (
+                        json!({
+                            "t": now_less_5s,
+                            "m": ["one"],
+                        }),
+                        json!(1),
+                    ),
+                ]),
+            ),
+            // format v2 (since v2.2.0)
+            (
+                "filter_triggers2_s1.f1".into(),
+                HashMap::from([(
+                    json!(["one"]),
+                    json!({
+                        // Will stay
+                        now_plus_1m.as_nanos().to_string(): 1,
+                        now_less_1s.as_nanos().to_string(): 1,
+                    // Will not get cleaned because it's FilterManager's task
+                        now_less_5s.as_nanos().to_string(): 1,
+                    }),
+                )]),
+            ),
+        ];
+
+        for trigger_db in triggers {
+            let mut db = TempDatabase::from_loaded_db(HashMap::from([
+                (
+                    "filter_ordered_times_s1.f1".into(),
+                    HashMap::from([
+                        // Will stay
+                        (now_plus_1m.as_nanos().to_string().into(), ["one"].into()),
+                        (now_plus_1m01.as_nanos().to_string().into(), ["one"].into()),
+                        (now_less_1s.as_nanos().to_string().into(), ["two"].into()), // stays because retry: 2s
+                        // Will get cleaned
+                        (now_less_4s.as_nanos().to_string().into(), ["two"].into()),
+                        (now_less_5s.as_nanos().to_string().into(), ["three"].into()),
+                        (now_less_1m.as_nanos().to_string().into(), ["two"].into()),
+                    ]),
+                ),
+                trigger_db,
+            ]))
+            .await;
+
+            let state = State::new(filter, &mut db, now).await.unwrap();
+
+            assert_eq!(
+                state.ordered_times.tree(),
+                &BTreeMap::from([
+                    (now_less_1s, vec!["two".into()]),
+                    (now_plus_1m, vec!["one".into()]),
+                    (now_plus_1m01, vec!["one".into()]),
+                ])
+            );
+            assert_eq!(
+                state.matches,
+                BTreeMap::from([
+                    (vec!["one".into()], [now_plus_1m, now_plus_1m01].into()),
+                    (vec!["two".into()], [now_less_1s].into()),
+                ])
+            );
+            assert_eq!(
+                state.triggers.tree(),
+                &BTreeMap::from([(
+                    vec!["one".into()],
+                    BTreeMap::from([
+                        (now_less_5s, 1u64),
+                        (now_less_1s, 1u64),
+                        (now_plus_1m, 1u64),
+                    ]),
+                )])
+            );
+        }
+    }
+
+    #[tokio::test]
+    async fn state_match_add_remove() {
+        let filter = Box::leak(Box::new(ok_filter()));
+
+        let one = vec!["one".into()];
+
+        let now = Time::from_secs(1234567);
+        let now_less_1s = now - Time::from_secs(1);
+        let now_less_4s = now - Time::from_secs(4);
+
+        let mut db = TempDatabase::default().await;
+        let mut state = State::new(filter, &mut db, now).await.unwrap();
+
+        assert!(state.ordered_times.tree().is_empty());
+        assert!(state.matches.is_empty());
+
+        // Add non-previously added match
+        state.add_match(one.clone(), now_less_1s).await;
+        assert_eq!(
+            state.ordered_times.tree(),
+            &BTreeMap::from([(now_less_1s, one.clone()),])
+        );
+        assert_eq!(
+            state.matches,
+            BTreeMap::from([(one.clone(), [now_less_1s].into())])
+        );
+
+        // Add previously added match
+        state.add_match(one.clone(), now_less_4s).await;
+        assert_eq!(
+            state.ordered_times.tree(),
+            &BTreeMap::from([(now_less_1s, one.clone()), (now_less_4s, one.clone())])
+        );
+        assert_eq!(
+            state.matches,
+            BTreeMap::from([(one.clone(), [now_less_1s, now_less_4s].into())])
+        );
+
+        // Remove added match
+        state.remove_match(&one).await;
+        assert!(state.ordered_times.tree().is_empty());
+        assert!(state.matches.is_empty());
+    }
+
+    #[tokio::test]
+    async fn state_trigger_no_after_add_remove_decrement() {
+        let filter = Box::leak(Box::new(ok_filter()));
+
+        let one = vec!["one".into()];
+        let now = now();
+
+        let mut db = TempDatabase::default().await;
+        let mut state = State::new(filter, &mut db, now).await.unwrap();
+
+        assert!(state.triggers.tree().is_empty());
+
+        // Add unique trigger
+        state.add_trigger(one.clone(), now, None).await;
+        // Nothing is really added
+        assert!(state.triggers.tree().is_empty());
+
+        // Will be called immediately after, it returns true
+        assert!(state.decrement_trigger(&one, now, false).await);
+    }
+
+    #[tokio::test]
+    async fn state_trigger_has_after_add_remove_decrement() {
+        let patterns = Pattern::new_map("az", "[a-z]+").unwrap();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(vec!["true"], None, false, "s1", "f1", "a1", &patterns, 0),
+                Action::new(
+                    vec!["true"],
+                    Some("1s"),
+                    false,
+                    "s1",
+                    "f1",
+                    "a2",
+                    &patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["true"],
+                    Some("3s"),
+                    false,
+                    "s1",
+                    "f1",
+                    "a3",
+                    &patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            Some(3),
+            Some("2s"),
+            "s1",
+            "f1",
+            Duplicate::default(),
+            &patterns,
+        );
+
+        let one = vec!["one".into()];
+        let now = now();
+        let now_plus_1s = now + Time::from_secs(1);
+
+        let mut db = TempDatabase::default().await;
+        let mut state = State::new(filter, &mut db, now).await.unwrap();
+
+        assert!(state.triggers.tree().is_empty());
+
+        // Add unique trigger
+        state.add_trigger(one.clone(), now, None).await;
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 3)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 2)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 1)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert!(state.triggers.tree().is_empty());
+        // Decrement → false
+        assert!(!state.decrement_trigger(&one, now, false).await);
+
+        // Add unique trigger (but decrement exiting-like)
+        state.add_trigger(one.clone(), now, None).await;
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 3)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, true).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 2)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, true).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 1)].into())])
+        );
+        // Decrement but exiting → true, does nothing
+        assert!(state.decrement_trigger(&one, now, true).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now, 1)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert!(state.triggers.tree().is_empty());
+        // Decrement → false
+        assert!(!state.decrement_trigger(&one, now, false).await);
+
+        // Add trigger with neighbour
+        state.add_trigger(one.clone(), now, None).await;
+        state.add_trigger(one.clone(), now_plus_1s, None).await;
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now_plus_1s, 3), (now, 3)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now_plus_1s, 3), (now, 2)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now_plus_1s, 3), (now, 1)].into())])
+        );
+        // Decrement → true
+        assert!(state.decrement_trigger(&one, now, false).await);
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now_plus_1s, 3)].into())])
+        );
+        // Decrement → false
+        assert!(!state.decrement_trigger(&one, now, false).await);
+        // Remove neighbour
+        state.remove_trigger(&one).await;
+        assert!(state.triggers.tree().is_empty());
+
+        // Add two neighbour triggers
+        state.add_trigger(one.clone(), now, None).await;
+        state.add_trigger(one.clone(), now_plus_1s, None).await;
+        assert_eq!(
+            state.triggers.tree(),
+            &BTreeMap::from([(one.clone(), [(now_plus_1s, 3), (now, 3)].into())])
+        );
+        // Remove them
+        state.remove_trigger(&one).await;
+        assert!(state.triggers.tree().is_empty());
+    }
+
+    #[test]
+    fn test_to_matchtime() {
+        assert_eq!(
+            to_matchtime(&Value::Object(Map::from_iter(
+                BTreeMap::from([
+                    ("m".into(), ["plip", "ploup"].into()),
+                    ("t".into(), "12345678".into()),
+                ])
+                .into_iter()
+            ))),
+            Ok(MatchTime {
+                m: vec!["plip".into(), "ploup".into()],
+                t: Time::from_nanos(12345678),
+            })
+        );
+
+        assert!(
+            to_matchtime(&Value::Object(Map::from_iter(
+                BTreeMap::from([("m".into(), ["plip", "ploup"].into()),]).into_iter()
+            )))
+            .is_err()
+        );
+
+        assert!(
+            to_matchtime(&Value::Object(Map::from_iter(
+                BTreeMap::from([("t".into(), 12345678.into()),]).into_iter()
+            )))
+            .is_err()
+        );
+
+        assert!(
+            to_matchtime(&Value::Object(Map::from_iter(
+                BTreeMap::from([("m".into(), "ploup".into()), ("t".into(), 12345678.into()),])
+                    .into_iter()
+            )))
+            .is_err()
+        );
+
+        assert!(
+            to_matchtime(&Value::Object(Map::from_iter(
+                BTreeMap::from([
+                    ("m".into(), ["plip", "ploup"].into()),
+                    ("t".into(), [1234567].into()),
+                ])
+                .into_iter()
+            )))
+            .is_err()
+        );
+    }
+}
diff --git a/src/daemon/filter/tests.rs b/src/daemon/filter/tests.rs
new file mode 100644
index 0000000..5196e42
--- /dev/null
+++ b/src/daemon/filter/tests.rs
@@ -0,0 +1,1087 @@
+use std::{
+    collections::{BTreeMap, BTreeSet, HashMap},
+    fs::read_to_string,
+    sync::Arc,
+    time::Duration,
+};
+
+use reaction_plugin::shutdown::ShutdownController;
+use serde_json::json;
+use tempfile::TempPath;
+use tokio::sync::Semaphore;
+
+use super::{
+    FilterManager, React,
+    state::{filter_ordered_times_db_name, filter_triggers_db_name},
+};
+use crate::{
+    concepts::{Action, Duplicate, Filter, Pattern, Patterns, Time, now},
+    daemon::plugin::Plugins,
+    tests::TempDatabase,
+};
+
+pub struct TestBed {
+    pub _out_path: TempPath,
+    pub out_file: String,
+    pub az_patterns: Patterns,
+    pub ip_patterns: Patterns,
+}
+
+impl Default for TestBed {
+    fn default() -> Self {
+        let _out_path = tempfile::NamedTempFile::new().unwrap().into_temp_path();
+        let out_file = _out_path.to_str().unwrap().to_string();
+
+        let az_patterns = Pattern::new_map("az", "[a-z]+").unwrap();
+        let ip_patterns = [
+            "type: ip",
+            "
+type: ipv4
+ignorecidr:
+  - 192.168.1.0/24
+",
+            "
+type: ipv4
+ipv4mask: 24
+ignorecidr:
+  - 192.168.1.0/24
+",
+            "
+type: ipv6
+ignorecidr:
+  - fe80::/16
+",
+            "
+type: ipv6
+ipv6mask: 64
+ignorecidr:
+  - 1::/120
+",
+        ]
+        .into_iter()
+        .map(serde_yaml::from_str::<Pattern>)
+        .map(Result::unwrap)
+        .zip(["ip", "ipv4", "ipv4_mask24", "ipv6", "ipv6_mask64"])
+        .map(|(mut pat, name)| {
+            pat.setup(name).unwrap();
+            (name.into(), pat.into())
+        })
+        .collect();
+        Self {
+            _out_path,
+            out_file,
+            az_patterns,
+            ip_patterns,
+        }
+    }
+}
+
+impl TestBed {
+    pub async fn part2(
+        self,
+        filter: &'static Filter,
+        now: Time,
+        db: Option<TempDatabase>,
+    ) -> TestBed2 {
+        let mut db = match db {
+            Some(db) => db,
+            None => TempDatabase::default().await,
+        };
+        let controller = ShutdownController::new();
+        let semaphore = Arc::new(Semaphore::new(1));
+        let test_bed2 = TestBed2 {
+            _out_path: self._out_path,
+            out_file: self.out_file,
+            az_patterns: self.az_patterns,
+            ip_patterns: self.ip_patterns,
+            now,
+            manager: FilterManager::new(
+                filter,
+                Some(semaphore.clone()),
+                controller.token(),
+                &mut db,
+                &mut Plugins::default(),
+                now,
+            )
+            .await
+            .unwrap(),
+            semaphore,
+        };
+        test_bed2.manager.start(now).await;
+        test_bed2
+    }
+}
+
+pub struct TestBed2 {
+    pub _out_path: TempPath,
+    pub out_file: String,
+    pub semaphore: Arc<Semaphore>,
+    pub now: Time,
+    pub manager: FilterManager,
+    pub az_patterns: Patterns,
+    pub ip_patterns: Patterns,
+}
+
+impl TestBed2 {
+    pub async fn assert_empty_trees(&self) {
+        let state = self.manager.state.lock().await;
+        assert!(state.matches.is_empty(), "matches must be empty");
+        assert!(
+            state.ordered_times.is_empty(),
+            "ordered_times must be empty"
+        );
+        assert!(state.triggers.is_empty(), "triggers must be empty");
+    }
+
+    pub async fn reset_out_file(&self) {
+        tokio::fs::write(&self.out_file, "").await.unwrap();
+    }
+}
+
+#[tokio::test]
+async fn three_matches_then_action_then_delayed_action() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a1",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a2 <az> >> {}", &bed.out_file)],
+                    Some("100ms"),
+                    false,
+                    "test",
+                    "test",
+                    "a2",
+                    &bed.az_patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            Some(3),
+            Some("2s"),
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let bed = bed.part2(filter, now, None).await;
+
+        let now = bed.now;
+        let now1s = bed.now + Time::from_secs(1);
+        let now2s = bed.now + Time::from_secs(2);
+
+        // No match
+        assert_eq!(
+            bed.manager.handle_line("test 131", now).await,
+            React::NoMatch
+        );
+        bed.assert_empty_trees().await;
+
+        // First match
+        let one = vec!["one".to_string()];
+        assert_eq!(bed.manager.handle_line("test one", now).await, React::Match);
+        {
+            let state = bed.manager.state.lock().await;
+            assert_eq!(
+                state.matches,
+                BTreeMap::from([(one.clone(), BTreeSet::from([now]))]),
+                "the match has been added to matches"
+            );
+            assert_eq!(
+                state.ordered_times.tree(),
+                &BTreeMap::from([(now, one.clone())]),
+                "the match has been added to ordered_times"
+            );
+            assert!(state.triggers.is_empty(), "triggers is still empty");
+        }
+
+        // Second match
+        assert_eq!(
+            bed.manager.handle_line("test one", now1s).await,
+            React::Match
+        );
+        {
+            let state = bed.manager.state.lock().await;
+            assert_eq!(
+                state.matches,
+                BTreeMap::from([(one.clone(), BTreeSet::from([now, now1s]))]),
+                "a second match is present in matches"
+            );
+            assert_eq!(
+                state.ordered_times.tree(),
+                &BTreeMap::from([(now, one.clone()), (now1s, one.clone())]),
+                "a second match is present in ordered_times"
+            );
+            assert!(state.triggers.is_empty(), "triggers is still empty");
+        }
+
+        // Third match, exec
+        let _block = bed.semaphore.acquire().await.unwrap();
+        assert_eq!(
+            bed.manager.handle_line("test one", now2s).await,
+            React::Trigger
+        );
+        {
+            let state = bed.manager.state.lock().await;
+            assert!(
+                state.matches.is_empty(),
+                "matches are emptied after trigger"
+            );
+            assert!(
+                state.ordered_times.is_empty(),
+                "ordered_times are emptied after trigger"
+            );
+            assert_eq!(
+                state.triggers.tree(),
+                &BTreeMap::from([(one.clone(), BTreeMap::from([(now2s, 1)]))]),
+                // 1 and not 2 because the decrement_trigger() doesn't wait for the semaphore
+                "triggers now contain the triggered match with 1 action left"
+            );
+        }
+        drop(_block);
+
+        // Now the first action executes
+        tokio::time::sleep(Duration::from_millis(40)).await;
+        // Check first action
+        assert_eq!(
+            bed.manager.state.lock().await.triggers.tree(),
+            &BTreeMap::from([(one.clone(), BTreeMap::from([(now2s, 1)]))]),
+            "triggers still contain the triggered match with 1 action left"
+        );
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the first action"
+        );
+
+        // Now the second action executes
+        tokio::time::sleep(Duration::from_millis(140)).await;
+        // Check second action
+        assert!(
+            bed.manager.state.lock().await.triggers.is_empty(),
+            "triggers are empty again"
+        );
+        assert_eq!(
+            "a1 one\na2 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the 2 actions"
+        );
+
+        bed.assert_empty_trees().await;
+    }
+}
+
+#[tokio::test]
+async fn one_match_one_action() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![Action::new(
+                vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                None,
+                false,
+                "test",
+                "test",
+                "a1",
+                &bed.az_patterns,
+                0,
+            )],
+            vec!["test <az>"],
+            None,
+            None,
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let bed = bed.part2(filter, now, None).await;
+
+        // No match
+        assert_eq!(
+            bed.manager.handle_line("test 131", now).await,
+            React::NoMatch
+        );
+        bed.assert_empty_trees().await;
+
+        // match
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Trigger
+        );
+        bed.assert_empty_trees().await;
+
+        // the action executes
+        tokio::time::sleep(Duration::from_millis(40)).await;
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the first action"
+        );
+
+        bed.assert_empty_trees().await;
+    }
+}
+
+#[tokio::test]
+async fn one_match_one_delayed_action() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![Action::new(
+                vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                Some("100ms"),
+                false,
+                "test",
+                "test",
+                "a1",
+                &bed.az_patterns,
+                0,
+            )],
+            vec!["test <az>"],
+            None,
+            None,
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let bed = bed.part2(filter, now, None).await;
+
+        // No match
+        assert_eq!(
+            bed.manager.handle_line("test 131", now).await,
+            React::NoMatch
+        );
+        bed.assert_empty_trees().await;
+
+        // Match
+        let one = vec!["one".to_string()];
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Trigger
+        );
+        {
+            let state = bed.manager.state.lock().await;
+            assert!(state.matches.is_empty(), "matches stay empty");
+            assert!(state.ordered_times.is_empty(), "ordered_times stay empty");
+            assert_eq!(
+                state.triggers.tree(),
+                &BTreeMap::from([(one.clone(), BTreeMap::from([(now, 1)]))]),
+                "triggers still contain the triggered match with 1 action left"
+            );
+        }
+        assert_eq!(
+            "",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file is empty"
+        );
+
+        // The action executes
+        tokio::time::sleep(Duration::from_millis(140)).await;
+        assert!(
+            bed.manager.state.lock().await.triggers.is_empty(),
+            "triggers are empty again"
+        );
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the action"
+        );
+
+        bed.assert_empty_trees().await;
+    }
+}
+
+#[tokio::test]
+async fn one_db_match_one_runtime_match_one_action() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![Action::new(
+                vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                None,
+                false,
+                "test",
+                "test",
+                "a1",
+                &bed.az_patterns,
+                0,
+            )],
+            vec!["test <az>"],
+            Some(2),
+            Some("2s"),
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        // Pre-add match
+        let now = now();
+        let one = vec!["one".to_string()];
+        let now1s = now - Time::from_secs(1);
+
+        let db = TempDatabase::from_loaded_db(HashMap::from([(
+            filter_ordered_times_db_name(filter),
+            HashMap::from([(now1s.as_nanos().to_string().into(), one.clone().into())]),
+        )]))
+        .await;
+
+        // Finish setup
+        let bed = bed.part2(filter, now, Some(db)).await;
+
+        {
+            let state = bed.manager.state.lock().await;
+            assert_eq!(
+                state.matches,
+                BTreeMap::from([(one.clone(), BTreeSet::from([now1s]))]),
+                "the match previously added to matches"
+            );
+            assert_eq!(
+                state.ordered_times.tree(),
+                &BTreeMap::from([(now1s, one.clone())]),
+                "the match previously added to matches"
+            );
+            assert!(state.triggers.is_empty(), "triggers stay empty");
+        }
+
+        // match
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Trigger
+        );
+        bed.assert_empty_trees().await;
+        // the action executes
+        tokio::time::sleep(Duration::from_millis(40)).await;
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the action"
+        );
+    }
+}
+
+#[tokio::test]
+async fn one_outdated_db_match() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![Action::new(
+                vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                None,
+                false,
+                "test",
+                "test",
+                "a1",
+                &bed.az_patterns,
+                0,
+            )],
+            vec!["test <az>"],
+            Some(2),
+            Some("1s"),
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        // Pre-add match
+        let now = now();
+        let one = vec!["one".to_string()];
+        let now1s = now - Time::from_millis(1001);
+
+        let db = TempDatabase::from_loaded_db(HashMap::from([(
+            filter_ordered_times_db_name(filter),
+            HashMap::from([(now1s.as_nanos().to_string().into(), one.clone().into())]),
+        )]))
+        .await;
+
+        // Finish setup
+        let bed = bed.part2(filter, now, Some(db)).await;
+        bed.assert_empty_trees().await;
+    }
+}
+
+#[tokio::test]
+async fn flush() {
+    // TODO multiple tests
+}
+
+#[tokio::test]
+async fn trigger_unmatched_pattern() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a1",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a2 <az> >> {}", &bed.out_file)],
+                    Some("200ms"),
+                    false,
+                    "test",
+                    "test",
+                    "a2",
+                    &bed.az_patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            Some(2),
+            Some("1s"),
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let one = vec!["one".to_string()];
+        let bed = bed.part2(filter, now, None).await;
+
+        bed.manager
+            .handle_trigger(
+                // az_pattern: "one"
+                bed.az_patterns
+                    .values()
+                    .cloned()
+                    .map(|pattern| (pattern, one[0].clone()))
+                    .collect(),
+                now,
+            )
+            .await
+            .unwrap();
+
+        // the action executes
+        tokio::time::sleep(Duration::from_millis(40)).await;
+
+        // No matches, one action registered
+        {
+            let state = bed.manager.state.lock().await;
+            assert!(state.matches.is_empty());
+            assert!(state.ordered_times.is_empty());
+            assert_eq!(
+                state.triggers.tree(),
+                &BTreeMap::from([(one.clone(), BTreeMap::from([(now, 1)]))]),
+            );
+        }
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the action"
+        );
+    }
+}
+
+#[tokio::test]
+async fn trigger_matched_pattern() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a1",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a2 <az> >> {}", &bed.out_file)],
+                    Some("200ms"),
+                    false,
+                    "test",
+                    "test",
+                    "a2",
+                    &bed.az_patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            Some(2),
+            Some("1s"),
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let now1s = now - Time::from_millis(10);
+        let one = vec!["one".to_string()];
+
+        let db = TempDatabase::from_loaded_db(HashMap::from([(
+            filter_ordered_times_db_name(filter),
+            HashMap::from([(now1s.as_nanos().to_string().into(), one.clone().into())]),
+        )]))
+        .await;
+        let bed = bed.part2(filter, now, Some(db)).await;
+
+        bed.manager
+            .handle_trigger(
+                // az_pattern: "one"
+                bed.az_patterns
+                    .values()
+                    .cloned()
+                    .map(|pattern| (pattern, one[0].clone()))
+                    .collect(),
+                now,
+            )
+            .await
+            .unwrap();
+
+        // the action executes
+        tokio::time::sleep(Duration::from_millis(40)).await;
+
+        // No matches, one action registered
+        {
+            let state = bed.manager.state.lock().await;
+            assert!(state.matches.is_empty());
+            assert!(state.ordered_times.is_empty());
+            assert_eq!(
+                state.triggers.tree(),
+                &BTreeMap::from([(one.clone(), BTreeMap::from([(now, 1)]))]),
+            );
+        }
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the action"
+        );
+    }
+}
+
+#[tokio::test]
+async fn trigger_deduplication_on_start() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a1",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a2 <az> >> {}", &bed.out_file)],
+                    Some("2s"),
+                    false,
+                    "test",
+                    "test",
+                    "a2",
+                    &bed.az_patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            None,
+            None,
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let now1s = now - Time::from_millis(1000);
+        let now2s = now - Time::from_millis(1030);
+        let one = vec!["one".to_string()];
+
+        let db = TempDatabase::from_loaded_db(HashMap::from([(
+            filter_triggers_db_name(filter),
+            HashMap::from([(
+                one.clone().into(),
+                json!({
+                    now1s.as_nanos().to_string(): 1,
+                    now2s.as_nanos().to_string(): 1,
+                }),
+            )]),
+        )]))
+        .await;
+        let bed = bed.part2(filter, now, Some(db)).await;
+
+        // the action executes
+        tokio::time::sleep(Duration::from_millis(50)).await;
+
+        // No matches, one or two action·s registered
+        {
+            let state = bed.manager.state.lock().await;
+            assert!(state.matches.is_empty());
+            assert!(state.ordered_times.is_empty());
+            assert_eq!(
+                state.triggers.tree(),
+                &BTreeMap::from([(
+                    one.clone(),
+                    match dup {
+                        Duplicate::Extend => BTreeMap::from([(now1s, 1)]),
+                        Duplicate::Ignore => BTreeMap::from([(now2s, 1)]),
+                        Duplicate::Rerun => BTreeMap::from([(now1s, 1), (now2s, 1)]),
+                    }
+                )]),
+                "the state contains one or two triggers. Duplicate: {dup:?}"
+            );
+        }
+        assert_eq!(
+            match dup {
+                Duplicate::Ignore | Duplicate::Extend => "a1 one\n",
+                Duplicate::Rerun => "a1 one\na1 one\n",
+            },
+            &read_to_string(&bed.out_file).unwrap(),
+            "the output file contains the result of the action. Duplicate: {dup:?}"
+        );
+    }
+}
+
+#[tokio::test]
+async fn multiple_triggers() {
+    for dup in [Duplicate::Rerun, Duplicate::Extend, Duplicate::Ignore] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a1 <az> >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a1",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a2 <az> >> {}", &bed.out_file)],
+                    Some("200ms"),
+                    false,
+                    "test",
+                    "test",
+                    "a2",
+                    &bed.az_patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            Some(2),
+            Some("1s"),
+            "test",
+            "test",
+            dup,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let bed = bed.part2(filter, now, None).await;
+
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Match,
+            "Duplicate: {dup:?}"
+        );
+        let now = crate::concepts::now();
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Trigger,
+            "Duplicate: {dup:?}"
+        );
+
+        // Wait for first action to execute
+        tokio::time::sleep(Duration::from_millis(50)).await;
+
+        assert_eq!(
+            "a1 one\n",
+            &read_to_string(&bed.out_file).unwrap(),
+            "Duplicate: {dup:?}"
+        );
+
+        tokio::time::sleep(Duration::from_millis(50)).await;
+
+        let now = crate::concepts::now();
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            match dup {
+                Duplicate::Ignore => React::Match,
+                _ => React::Match,
+            },
+            "Duplicate: {dup:?}"
+        );
+
+        let now = crate::concepts::now();
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            match dup {
+                Duplicate::Ignore => React::Match,
+                _ => React::Trigger,
+            },
+            "Duplicate: {dup:?}"
+        );
+
+        // Wait for second action to execute
+        tokio::time::sleep(Duration::from_millis(50)).await;
+
+        assert_eq!(
+            &read_to_string(&bed.out_file).unwrap(),
+            match dup {
+                Duplicate::Rerun => "a1 one\na1 one\n",
+                _ => "a1 one\n",
+            },
+            "Duplicate: {dup:?}"
+        );
+
+        // Wait for first after action to execute
+        tokio::time::sleep(Duration::from_millis(100)).await;
+
+        assert_eq!(
+            &read_to_string(&bed.out_file).unwrap(),
+            match dup {
+                Duplicate::Rerun => "a1 one\na1 one\na2 one\n",
+                Duplicate::Extend => "a1 one\n",
+                Duplicate::Ignore => "a1 one\na2 one\n",
+            },
+            "Duplicate: {dup:?}"
+        );
+
+        // Wait for second after action to execute
+        tokio::time::sleep(Duration::from_millis(100)).await;
+
+        assert_eq!(
+            &read_to_string(&bed.out_file).unwrap(),
+            match dup {
+                Duplicate::Rerun => "a1 one\na1 one\na2 one\na2 one\n",
+                Duplicate::Extend => "a1 one\na2 one\n",
+                Duplicate::Ignore => "a1 one\na2 one\n",
+            },
+            "Duplicate: {dup:?}"
+        );
+    }
+}
+#[tokio::test]
+async fn extend_trigger_multiple_after_actions() {
+    let last_match_duration = Duration::from_millis(350);
+
+    for (second_match_duration, first_action_list, last_action_list) in [
+        (
+            Duration::from_millis(50),
+            vec!["a0", "a1"],
+            vec!["d2", "c3", "a4"],
+        ),
+        (
+            Duration::from_millis(150),
+            vec!["a0", "a1", "d2"],
+            vec!["c3", "a4"],
+        ),
+        (
+            Duration::from_millis(250),
+            vec!["a0", "a1", "d2", "c3"],
+            vec!["a4"],
+        ),
+    ] {
+        let bed = TestBed::default();
+        let filter = Filter::new_static(
+            vec![
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a0 >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a0",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a1 >> {}", &bed.out_file)],
+                    None,
+                    false,
+                    "test",
+                    "test",
+                    "a1",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo d2 >> {}", &bed.out_file)],
+                    Some("100ms"),
+                    false,
+                    "test",
+                    "test",
+                    "d2",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo c3 >> {}", &bed.out_file)],
+                    Some("200ms"),
+                    false,
+                    "test",
+                    "test",
+                    "c3",
+                    &bed.az_patterns,
+                    0,
+                ),
+                Action::new(
+                    vec!["sh", "-c", &format!("echo a4 >> {}", &bed.out_file)],
+                    Some("300ms"),
+                    false,
+                    "test",
+                    "test",
+                    "a4",
+                    &bed.az_patterns,
+                    0,
+                ),
+            ],
+            vec!["test <az>"],
+            None,
+            None,
+            "test",
+            "test",
+            Duplicate::Extend,
+            &bed.az_patterns,
+        );
+
+        let now = now();
+        let bed = bed.part2(filter, now, None).await;
+
+        let now = crate::concepts::now();
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Trigger,
+        );
+
+        // Wait for first trigger to execute (partially)
+        tokio::time::sleep(second_match_duration).await;
+
+        assert_eq!(
+            first_action_list.join("\n"),
+            read_to_string(&bed.out_file).unwrap().trim(),
+            "Sleep: {second_match_duration:?}"
+        );
+
+        let now = crate::concepts::now();
+        assert_eq!(
+            bed.manager.handle_line("test one", now).await,
+            React::Trigger,
+        );
+
+        // Wait for second trigger to execute (fully)
+        tokio::time::sleep(last_match_duration).await;
+
+        assert_eq!(
+            first_action_list
+                .into_iter()
+                .chain(last_action_list.clone())
+                .fold("".to_string(), |acc, elt| format!("{acc}\n{elt}"))
+                .trim(),
+            read_to_string(&bed.out_file).unwrap().trim(),
+            "Sleep: {last_match_duration:?}"
+        );
+    }
+}
+
+#[tokio::test]
+async fn ip_specific() {
+    let bed = TestBed::default();
+    let filter = Filter::new_static(
+        vec![
+            Action::new(
+                vec!["sh", "-c", &format!("echo ipv4 <ip> >> {}", &bed.out_file)],
+                None,
+                false,
+                "test",
+                "test",
+                "a4",
+                &bed.ip_patterns,
+                4,
+            ),
+            Action::new(
+                vec!["sh", "-c", &format!("echo ipv6 <ip> >> {}", &bed.out_file)],
+                None,
+                false,
+                "test",
+                "test",
+                "a6",
+                &bed.ip_patterns,
+                6,
+            ),
+            Action::new(
+                vec!["sh", "-c", &format!("echo any <ip> >> {}", &bed.out_file)],
+                Some("20ms"),
+                false,
+                "test",
+                "test",
+                "ax",
+                &bed.ip_patterns,
+                0,
+            ),
+        ],
+        vec!["test <ip>"],
+        None,
+        None,
+        "test",
+        "test",
+        Duplicate::Extend,
+        &bed.ip_patterns,
+    );
+
+    let now = now();
+    let bed = bed.part2(filter, now, None).await;
+
+    let now = crate::concepts::now();
+    assert_eq!(
+        bed.manager.handle_line("test 1.2.3.4", now).await,
+        React::Trigger,
+    );
+
+    // Wait for action to execute
+    tokio::time::sleep(Duration::from_millis(70)).await;
+
+    assert_eq!(
+        "ipv4 1.2.3.4\nany 1.2.3.4\n",
+        &read_to_string(&bed.out_file).unwrap(),
+    );
+
+    bed.reset_out_file().await;
+
+    let now = crate::concepts::now();
+    assert_eq!(
+        bed.manager.handle_line("test 1:2:3:4:5:6:7:8", now).await,
+        React::Trigger,
+    );
+
+    // Wait for action to execute
+    tokio::time::sleep(Duration::from_millis(70)).await;
+
+    assert_eq!(
+        "ipv6 1:2:3:4:5:6:7:8\nany 1:2:3:4:5:6:7:8\n",
+        &read_to_string(&bed.out_file).unwrap(),
+    );
+}
diff --git a/src/daemon/mod.rs b/src/daemon/mod.rs
new file mode 100644
index 0000000..18fb533
--- /dev/null
+++ b/src/daemon/mod.rs
@@ -0,0 +1,200 @@
+use std::{
+    collections::HashMap,
+    error::Error,
+    path::PathBuf,
+    sync::{
+        Arc,
+        atomic::{AtomicBool, Ordering},
+    },
+};
+
+use futures::future::join_all;
+use reaction_plugin::shutdown::{ShutdownController, ShutdownDelegate, ShutdownToken};
+use tokio::{
+    select,
+    signal::unix::{SignalKind, signal},
+    sync::Semaphore,
+};
+use tracing::{debug, error, info};
+use treedb::Database;
+
+use crate::concepts::{Config, now};
+use filter::FilterManager;
+pub use filter::React;
+use plugin::Plugins;
+use socket::Socket;
+use stream::StreamManager;
+
+#[cfg(test)]
+pub use filter::tests;
+
+mod filter;
+mod plugin;
+mod socket;
+mod stream;
+mod utils;
+
+pub async fn daemon(config_path: PathBuf, socket: PathBuf) -> i32 {
+    // Load config or quit
+    let config: &'static Config = Box::leak(Box::new(match Config::from_path(&config_path) {
+        Ok(config) => config,
+        Err(err) => {
+            error!("{err}");
+            return 1;
+        }
+    }));
+
+    // Cancellation Token
+    let shutdown = ShutdownController::new();
+
+    // Cancel when we receive a quit signal
+    let signal_received = Arc::new(AtomicBool::new(false));
+    if let Err(err) = handle_signals(shutdown.delegate(), signal_received.clone()) {
+        error!("{err}");
+        return 1;
+    }
+
+    let mut db = None;
+    let mut config_started = false;
+    let mut daemon_err = false;
+
+    // Start the real daemon 👹
+    if let Err(err) = daemon_start(
+        config,
+        socket,
+        shutdown.token(),
+        &mut db,
+        &mut config_started,
+    )
+    .await
+    {
+        error!("{err}");
+        daemon_err = true;
+    }
+
+    // Release last db's sender
+    let mut db_status = None;
+    if let Some(db) = db {
+        db_status = Some(db.quit());
+    }
+
+    debug!("Asking for all tasks to quit...");
+    shutdown.ask_shutdown();
+
+    debug!("Waiting for all tasks to quit...");
+    shutdown.wait_all_task_shutdown().await;
+
+    let mut stop_ok = true;
+    if config_started {
+        stop_ok = config.stop();
+    }
+
+    if daemon_err || !stop_ok {
+        return 1;
+    } else if let Some(mut db_status) = db_status
+        && let Ok(Err(err)) = db_status.try_recv()
+    {
+        error!("database error: {}", err);
+        return 1;
+    } else if !signal_received.load(Ordering::SeqCst) {
+        error!("quitting because all streams finished");
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+async fn daemon_start(
+    config: &'static Config,
+    socket: PathBuf,
+    shutdown: ShutdownToken,
+    db: &mut Option<Database>,
+    config_started: &mut bool,
+) -> Result<(), Box<dyn Error + Send + Sync>> {
+    let mut plugins = Plugins::new(config, shutdown.clone()).await?;
+
+    // Open Database
+    let (cancellation, task_tracker) = shutdown.clone().split();
+    let path = PathBuf::from(config.state_directory.clone());
+    *db = Some(Database::open(&path, cancellation, task_tracker).await?);
+
+    let (state, stream_managers) = {
+        // Semaphore limiting action execution concurrency
+        let exec_limit = match config.concurrency {
+            0 => None,
+            n => Some(Arc::new(Semaphore::new(n))),
+        };
+
+        // Filter managers
+        let now = now();
+        let mut state = HashMap::new();
+        let mut stream_managers = Vec::new();
+        for stream in config.streams.values() {
+            let mut filter_managers = HashMap::new();
+            for filter in stream.filters.values() {
+                let manager = FilterManager::new(
+                    filter,
+                    exec_limit.clone(),
+                    shutdown.clone(),
+                    db.as_mut().unwrap(),
+                    &mut plugins,
+                    now,
+                )
+                .await?;
+                filter_managers.insert(filter, manager);
+            }
+            state.insert(stream, filter_managers.clone());
+
+            stream_managers.push(
+                StreamManager::new(stream, filter_managers, shutdown.clone(), &mut plugins).await?,
+            );
+        }
+        (state, stream_managers)
+    };
+
+    // Open socket and run task
+    let socket = Socket::open(socket).await?;
+    socket.manager(config, state, shutdown.clone());
+
+    // all core systems started, we can run start commands
+    *config_started = true;
+    if !config.start() {
+        return Err("a start command failed, exiting.".into());
+    }
+
+    // Finish plugin setup
+    plugins.start().await?;
+    plugins.manager();
+
+    // Start Stream managers
+    let stream_task_handles = stream_managers.into_iter().filter_map(|stream_manager| {
+        let standalone = stream_manager.is_standalone();
+        let handle = tokio::spawn(async move { stream_manager.start().await });
+        // Only wait for standalone streams
+        if standalone { Some(handle) } else { None }
+    });
+
+    // Wait for all streams to quit
+    join_all(stream_task_handles).await;
+    Ok(())
+}
+
+fn handle_signals(
+    shutdown: ShutdownDelegate,
+    signal_received: Arc<AtomicBool>,
+) -> tokio::io::Result<()> {
+    let mut sighup = signal(SignalKind::hangup())?;
+    let mut sigint = signal(SignalKind::interrupt())?;
+    let mut sigterm = signal(SignalKind::terminate())?;
+    tokio::spawn(async move {
+        let signal = select! {
+            _ = sighup.recv() => "SIGHUP",
+            _ = sigint.recv() => "SIGINT",
+            _ = sigterm.recv() => "SIGTERM",
+        };
+        info!("received {signal}, closing streams...");
+        shutdown.ask_shutdown();
+        signal_received.store(true, Ordering::SeqCst);
+    });
+    Ok(())
+}
diff --git a/src/daemon/plugin/mod.rs b/src/daemon/plugin/mod.rs
new file mode 100644
index 0000000..c32e283
--- /dev/null
+++ b/src/daemon/plugin/mod.rs
@@ -0,0 +1,405 @@
+use std::{
+    collections::{BTreeMap, BTreeSet},
+    fmt::Display,
+    io,
+    ops::{Deref, DerefMut},
+    process::ExitStatus,
+    time::Duration,
+};
+
+use futures::{StreamExt, future::join_all};
+use reaction_plugin::{
+    ActionConfig, ActionImpl, Hello, PluginInfo, PluginInfoClient, StreamConfig, StreamImpl,
+};
+use remoc::Connect;
+use tokio::{
+    process::{Child, ChildStderr},
+    time::timeout,
+};
+use tracing::{error, info};
+
+use crate::{
+    concepts::{Action, Config, Plugin, Stream},
+    daemon::{ShutdownToken, stream::reader_to_stream, utils::kill_child},
+};
+
+pub struct PluginManager {
+    child: Child,
+    shutdown: ShutdownToken,
+    plugin: &'static Plugin,
+    plugin_info: PluginInfoClient,
+    streams: BTreeSet<String>,
+    actions: BTreeSet<String>,
+}
+
+impl Deref for PluginManager {
+    type Target = PluginInfoClient;
+    fn deref(&self) -> &Self::Target {
+        &self.plugin_info
+    }
+}
+impl DerefMut for PluginManager {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.plugin_info
+    }
+}
+
+impl PluginManager {
+    async fn new(
+        plugin: &'static Plugin,
+        state_directory: &str,
+        shutdown: ShutdownToken,
+    ) -> Result<Self, String> {
+        let mut child = plugin
+            .launch(state_directory)
+            .await
+            .map_err(|err| systemd_error(plugin, "could not launch plugin", err))?;
+
+        {
+            let stderr = child.stderr.take().unwrap();
+            // let shutdown = shutdown.clone();
+            tokio::spawn(async move { handle_stderr(stderr, plugin.name.clone()).await });
+        }
+
+        let stdin = child.stdin.take().unwrap();
+        let stdout = child.stdout.take().unwrap();
+
+        let (conn, _tx, mut rx): (
+            _,
+            remoc::rch::base::Sender<()>,
+            remoc::rch::base::Receiver<PluginInfoClient>,
+        ) = Connect::io(remoc::Cfg::default(), stdout, stdin)
+            .await
+            .map_err(|err| {
+                systemd_error(plugin, "could not init communication with plugin", err)
+            })?;
+
+        tokio::spawn(conn);
+
+        let mut plugin_info = rx
+            .recv()
+            .await
+            .map_err(|err| format!("could not retrieve initial information from plugin: {err}"))?
+            .ok_or("could not retrieve initial information from plugin: no data")?;
+
+        let manifest = plugin_info
+            .manifest()
+            .await
+            .map_err(|err| format!("error while getting plugin {} manifest: {err}", plugin.name))?;
+
+        let my_hello = Hello::new();
+
+        if let Err(hint) = Hello::is_compatible(&my_hello, &manifest.hello) {
+            return Err(format!(
+                "reaction can't handle plugin {} with incompatible version {}.{}: current version: {}.{}. {}",
+                plugin.name,
+                manifest.hello.version_major,
+                manifest.hello.version_minor,
+                my_hello.version_major,
+                my_hello.version_minor,
+                hint
+            ));
+        }
+
+        Ok(Self {
+            child,
+            shutdown,
+            plugin,
+            plugin_info,
+            streams: manifest.streams,
+            actions: manifest.actions,
+        })
+    }
+
+    async fn handle_child(mut self) {
+        const PLUGIN_STOP_GRACE_TIME: u64 = 15;
+
+        // wait either for the child process to exit on its own or for the shutdown signal
+        tokio::select! {
+            status = self.child.wait() => {
+                self.print_exit(status);
+                return;
+            }
+            _ = self.shutdown.wait() => {}
+        }
+
+        match timeout(
+            Duration::from_secs(PLUGIN_STOP_GRACE_TIME),
+            self.plugin_info.close(),
+        )
+        .await
+        {
+            Ok(Ok(())) => (),
+            Ok(Err(err)) => {
+                error!("plugin {}: {err}", self.plugin.name);
+            }
+            // got timeout
+            Err(_) => {
+                error!(
+                    "plugin {} did not respond to close request in time, killing",
+                    self.plugin.name
+                );
+                kill_child(self.child, format!("plugin {}", self.plugin.name), 5).await;
+            }
+        }
+    }
+
+    fn print_exit(&self, status: io::Result<ExitStatus>) {
+        match status {
+            Ok(status) => match status.code() {
+                Some(code) => {
+                    error!(
+                        "plugin {}: process exited. exit code: {}",
+                        self.plugin.name, code
+                    );
+                }
+                None => {
+                    error!("plugin {}: process exited.", self.plugin.name);
+                }
+            },
+            Err(err) => {
+                error!("plugin {}: process exited. {err}", self.plugin.name);
+            }
+        }
+    }
+}
+
+fn systemd_error(plugin: &Plugin, message: &str, err: impl Display) -> String {
+    if plugin.systemd {
+        format!(
+            "{message}: {err}. \
+`plugins.{0}.systemd` is set to true, so this may be an issue with systemd's run0. \
+please make sure `sudo run0 ls /` returns the same thing as `sudo ls /` as a test. \
+if run0 can't be found or doesn't output anything, set `plugins.{0}.systemd` to false.",
+            plugin.name,
+        )
+    } else {
+        format!("{message}: {err}")
+    }
+}
+
+async fn handle_stderr(stderr: ChildStderr, plugin_name: String) {
+    // read lines until shutdown
+    let lines = reader_to_stream(stderr);
+    tokio::pin!(lines);
+    loop {
+        match lines.next().await {
+            Some(Ok(line)) => {
+                // sad: I can't factorize this because the tracing::event! macro
+                // requires its log level to be a constant.
+                if line.starts_with("DEBUG ") {
+                    tracing::debug!("plugin {plugin_name}: {}", line.split_at(6).1)
+                } else if line.starts_with("INFO ") {
+                    tracing::info!("plugin {plugin_name}: {}", line.split_at(5).1)
+                } else if line.starts_with("WARN ") {
+                    tracing::warn!("plugin {plugin_name}: {}", line.split_at(5).1)
+                } else if line.starts_with("ERROR ") {
+                    tracing::error!("plugin {plugin_name}: {}", line.split_at(6).1)
+                } else {
+                    // If there is no log level, we suppose it's an error (may be a panic or something)
+                    tracing::error!("plugin {plugin_name}: {}", line)
+                }
+            }
+            Some(Err(err)) => {
+                tracing::error!("while trying to read plugin {plugin_name} stderr: {err}");
+                break;
+            }
+            None => break,
+        }
+    }
+}
+
+#[derive(Default)]
+pub struct Plugins {
+    /// Loaded plugins
+    plugins: BTreeMap<String, PluginManager>,
+    /// stream_type to plugin name
+    stream_to_plugin: BTreeMap<String, String>,
+    /// action_type to plugin name
+    action_to_plugin: BTreeMap<String, String>,
+    /// plugin name to config list
+    plugin_to_confs: BTreeMap<String, (Vec<&'static Stream>, Vec<&'static Action>)>,
+    /// stream name to impl
+    stream_to_impl: BTreeMap<String, StreamImpl>,
+    /// action name to impl
+    action_to_impl: BTreeMap<String, ActionImpl>,
+}
+
+impl Plugins {
+    pub async fn new(config: &'static Config, shutdown: ShutdownToken) -> Result<Self, String> {
+        let mut this = Self::default();
+
+        for plugin in config.plugins.values() {
+            let name = plugin.name.clone();
+            this.load_plugin(plugin, &config.state_directory, shutdown.clone())
+                .await
+                .map_err(|err| format!("plugin {name}: {err}]"))?;
+        }
+
+        this.aggregate_plugin_configs(config)?;
+
+        this.load_plugin_configs().await?;
+
+        Ok(this)
+    }
+
+    async fn load_plugin(
+        &mut self,
+        plugin: &'static Plugin,
+        state_directory: &str,
+        shutdown: ShutdownToken,
+    ) -> Result<(), String> {
+        let name = plugin.name.clone();
+        let manager = PluginManager::new(plugin, state_directory, shutdown).await?;
+
+        for stream in &manager.streams {
+            if let Some(name) = self.stream_to_plugin.insert(stream.clone(), name.clone()) {
+                return Err(format!(
+                    "plugin {name} already exposed a stream with type name '{stream}'",
+                ));
+            }
+        }
+
+        for action in &manager.actions {
+            if let Some(name) = self.action_to_plugin.insert(action.clone(), name.clone()) {
+                return Err(format!(
+                    "plugin {name} already exposed a action with type name '{action}'",
+                ));
+            }
+        }
+
+        self.plugins.insert(name, manager);
+        Ok(())
+    }
+
+    fn aggregate_plugin_configs(&mut self, config: &'static Config) -> Result<(), String> {
+        for stream in config.streams.values() {
+            if stream.is_plugin()
+                && let Some(stream_type) = &stream.stream_type
+            {
+                let plugin_name = self.stream_to_plugin.get(stream_type).ok_or_else(|| {
+                    display_plugin_exposed_types(&self.stream_to_plugin, "stream", stream_type)
+                })?;
+                let (streams, _) = self
+                    .plugin_to_confs
+                    .entry(plugin_name.to_owned())
+                    .or_default();
+                streams.push(stream);
+            }
+
+            for action in stream
+                .filters
+                .values()
+                .flat_map(|filter| filter.actions.values())
+            {
+                if action.is_plugin()
+                    && let Some(action_type) = &action.action_type
+                {
+                    let plugin_name = self.action_to_plugin.get(action_type).ok_or_else(|| {
+                        display_plugin_exposed_types(&self.action_to_plugin, "action", action_type)
+                    })?;
+                    let (_, actions) = self
+                        .plugin_to_confs
+                        .entry(plugin_name.to_owned())
+                        .or_default();
+                    actions.push(action);
+                }
+            }
+        }
+        Ok(())
+    }
+
+    async fn load_plugin_configs(&mut self) -> Result<(), String> {
+        let plugin_to_confs = std::mem::take(&mut self.plugin_to_confs);
+        for (plugin_name, (streams, actions)) in plugin_to_confs {
+            let plugin = self
+                .plugins
+                .get_mut(&plugin_name)
+                .ok_or_else(|| format!("could not find plugin {plugin_name}. this is a bug!"))?;
+
+            let stream_names: Vec<String> =
+                streams.iter().map(|stream| stream.name.clone()).collect();
+            let action_names: Vec<String> =
+                actions.iter().map(|action| action.to_string()).collect();
+
+            let (stream_impls, action_impls) = plugin
+                .load_config(
+                    streams
+                        .into_iter()
+                        .map(Stream::to_stream_config)
+                        .collect::<Result<Vec<StreamConfig>, String>>()?,
+                    actions
+                        .into_iter()
+                        .map(Action::to_action_config)
+                        .collect::<Result<Vec<ActionConfig>, String>>()?,
+                )
+                .await
+                .map_err(|err| {
+                    format!("plugin {plugin_name} is not happy with your config: {err}")
+                })?;
+
+            self.stream_to_impl
+                .extend(stream_names.into_iter().zip(stream_impls));
+            self.action_to_impl
+                .extend(action_names.into_iter().zip(action_impls));
+        }
+
+        Ok(())
+    }
+
+    pub fn get_stream_impl(&mut self, stream_name: String) -> Option<StreamImpl> {
+        self.stream_to_impl.remove(&stream_name)
+    }
+
+    pub fn get_action_impl(&mut self, action_fullname: String) -> Option<ActionImpl> {
+        self.action_to_impl.remove(&action_fullname)
+    }
+
+    pub async fn start(&mut self) -> Result<(), String> {
+        // Finish setup of all plugins
+        join_all(
+            self.plugins
+                .values_mut()
+                .map(|plugin_manager| plugin_manager.start()),
+        )
+        .await
+        // Convert Vec<Result<Result>> into Result
+        .into_iter()
+        .zip(self.plugins.values())
+        .try_for_each(|(result, plugin_manager)| {
+            result.map_err(|err| {
+                format!(
+                    "plugin {}: {}",
+                    plugin_manager.plugin.name,
+                    err.to_string().replace('\n', " ")
+                )
+            })
+        })
+    }
+
+    pub fn manager(self) {
+        for plugin in self.plugins.into_values() {
+            tokio::spawn(async move {
+                plugin.handle_child().await;
+            });
+        }
+    }
+}
+
+fn display_plugin_exposed_types(
+    type_to_plugin: &BTreeMap<String, String>,
+    name: &str,
+    invalid: &str,
+) -> String {
+    let mut plugin_to_types: BTreeMap<&str, Vec<&str>> = BTreeMap::new();
+    for (type_, plugin) in type_to_plugin {
+        plugin_to_types.entry(plugin).or_default().push(type_);
+    }
+    for (plugin, types) in plugin_to_types {
+        info!(
+            "Plugin {plugin} exposes those {name} types: '{}'",
+            types.join("', '")
+        );
+    }
+    format!("No plugin provides the {name} type: {invalid}")
+}
diff --git a/src/daemon/socket.rs b/src/daemon/socket.rs
new file mode 100644
index 0000000..bdc6fe9
--- /dev/null
+++ b/src/daemon/socket.rs
@@ -0,0 +1,286 @@
+use std::{
+    collections::{BTreeMap, HashMap},
+    path::PathBuf,
+    sync::Arc,
+};
+
+use futures::{SinkExt, StreamExt};
+use reaction_plugin::shutdown::ShutdownToken;
+use regex::Regex;
+use tokio::{fs, net::UnixListener};
+use tokio_util::{
+    bytes::Bytes,
+    codec::{Framed, LengthDelimitedCodec},
+};
+use tracing::{error, warn};
+
+use crate::{
+    concepts::{Config, Filter, Pattern, Stream, now},
+    protocol::{ClientRequest, ClientStatus, DaemonResponse, Order},
+};
+
+use super::filter::FilterManager;
+
+async fn open_socket(path: PathBuf) -> Result<UnixListener, String> {
+    macro_rules! err_str {
+        ($expression:expr) => {
+            $expression.map_err(|err| err.to_string())
+        };
+    }
+    // First create all directories to the file
+    let dir = path
+        .parent()
+        .ok_or(format!("socket {path:?} has no parent directory"))?;
+    err_str!(fs::create_dir_all(dir).await)?;
+    // Test if file exists
+    match fs::metadata(&path).await {
+        Ok(meta) => {
+            if meta.file_type().is_dir() {
+                Err(format!("socket {path:?} is already a directory"))
+            } else {
+                warn!("socket {path:?} already exists: is the daemon already running? deleting.");
+                err_str!(fs::remove_file(&path).await)
+            }
+        }
+        Err(err) => err_str!(match err.kind() {
+            std::io::ErrorKind::NotFound => Ok(()),
+            _ => Err(err),
+        }),
+    }?;
+    // Open socket
+    err_str!(UnixListener::bind(path))
+}
+
+async fn handle_trigger_order(
+    stream_name: Option<String>,
+    filter_name: Option<String>,
+    patterns: BTreeMap<Arc<Pattern>, String>,
+    shared_state: &HashMap<&'static Stream, HashMap<&'static Filter, FilterManager>>,
+) -> DaemonResponse {
+    // Check names existence
+    let (stream_name, filter_name) = match (stream_name, filter_name) {
+        (Some(s), Some(p)) => (s, p),
+        _ => {
+            return DaemonResponse::Err(
+                "trigger must target a filter, e.g. `reaction trigger mystream.myfilter ...`"
+                    .into(),
+            );
+        }
+    };
+
+    // Check patterns existence
+    if patterns.is_empty() {
+        return DaemonResponse::Err(
+            "trigger must specify patterns, e.g. `reaction trigger ... ip=1.2.3.4`".into(),
+        );
+    }
+
+    // Check stream existance
+    let filters = match shared_state
+        .iter()
+        .find(|(stream, _)| stream_name == stream.name)
+    {
+        Some((_, filters)) => filters,
+        None => {
+            return DaemonResponse::Err(format!("stream {stream_name} doesn't exist"));
+        }
+    };
+
+    // Check filter existance
+    let filter_manager = match filters
+        .iter()
+        .find(|(filter, _)| filter_name == filter.name)
+    {
+        Some((_, filter)) => filter,
+        None => {
+            return DaemonResponse::Err(format!(
+                "filter {stream_name}.{filter_name} doesn't exist"
+            ));
+        }
+    };
+
+    match filter_manager.handle_trigger(patterns, now()).await {
+        Ok(()) => DaemonResponse::Ok(()),
+        Err(err) => DaemonResponse::Err(err),
+    }
+}
+
+async fn handle_show_or_flush_order(
+    stream_name: Option<String>,
+    filter_name: Option<String>,
+    patterns: BTreeMap<Arc<Pattern>, Regex>,
+    order: Order,
+    shared_state: &HashMap<&'static Stream, HashMap<&'static Filter, FilterManager>>,
+) -> DaemonResponse {
+    let now = now();
+    let iter = shared_state
+        .iter()
+        // stream filtering
+        .filter(|(stream, _)| {
+            stream_name.is_none() || stream_name.clone().is_some_and(|name| name == stream.name)
+        });
+    let mut cs = ClientStatus::new();
+    for (stream, filter_manager) in iter {
+        let iter = filter_manager
+            .iter()
+            // filter filtering
+            .filter(|(filter, _)| {
+                filter_name.is_none() || filter_name.clone().is_some_and(|name| name == filter.name)
+            })
+            // pattern filtering
+            .filter(|(filter, _)| {
+                patterns
+                    .iter()
+                    .all(|(pattern, _)| filter.patterns.get(pattern).is_some())
+            });
+        let mut inner_map = BTreeMap::new();
+        for (filter, manager) in iter {
+            inner_map.insert(
+                filter.name.to_owned(),
+                manager.handle_order(&patterns, order, now).await,
+            );
+        }
+        cs.insert(stream.name.to_owned(), inner_map);
+    }
+    DaemonResponse::Order(cs)
+}
+
+async fn answer_order(
+    config: &'static Config,
+    shared_state: &HashMap<&'static Stream, HashMap<&'static Filter, FilterManager>>,
+    options: ClientRequest,
+) -> DaemonResponse {
+    // Compute options
+    let (stream_name, filter_name) = match options.stream_filter {
+        Some(sf) => match sf.split_once(".") {
+            Some((s, f)) => (Some(s.to_string()), Some(f.to_string())),
+            None => (Some(sf), None),
+        },
+        None => (None, None),
+    };
+
+    // Compute the Vec<(pattern_name: String, regex: String)> into a BTreeMap<Arc<Pattern>, String>
+    let patterns = match options
+        .patterns
+        .into_iter()
+        .map(|(name, reg)| {
+            // lookup pattern in config.patterns
+            config
+                .patterns
+                .iter()
+                // retrieve or Err
+                .find(|(pattern_name, _)| &name == *pattern_name)
+                .ok_or_else(|| format!("pattern '{name}' doesn't exist"))
+                .map(|(_, pattern)| (pattern.clone(), reg))
+        })
+        .collect::<Result<BTreeMap<Arc<Pattern>, String>, String>>()
+    {
+        Ok(p) => p,
+        Err(err) => return DaemonResponse::Err(err),
+    };
+
+    if let Order::Trigger = options.order {
+        handle_trigger_order(stream_name, filter_name, patterns, shared_state).await
+    } else {
+        let patterns = match patterns
+            .into_iter()
+            .map(|(pattern, reg)| match Regex::new(&reg) {
+                Ok(reg) => Ok((pattern, reg)),
+                Err(err) => Err(format!(
+                    "pattern '{}' regex doesn't compile: {err}",
+                    pattern.name
+                )),
+            })
+            .collect::<Result<BTreeMap<Arc<Pattern>, Regex>, String>>()
+        {
+            Ok(p) => p,
+            Err(err) => return DaemonResponse::Err(err),
+        };
+
+        handle_show_or_flush_order(
+            stream_name,
+            filter_name,
+            patterns,
+            options.order,
+            shared_state,
+        )
+        .await
+    }
+}
+
+macro_rules! or_next {
+    ($msg:expr, $expression:expr) => {
+        match $expression {
+            Ok(x) => x,
+            Err(err) => {
+                error!("failed to answer client: {}, {}", $msg, err);
+                continue;
+            }
+        }
+    };
+}
+
+pub struct Socket {
+    path: PathBuf,
+    socket: UnixListener,
+}
+
+impl Socket {
+    pub async fn open(socket: PathBuf) -> Result<Self, String> {
+        Ok(Socket {
+            socket: open_socket(socket.clone())
+                .await
+                .map_err(|err| format!("while creating communication socket: {err}"))?,
+            path: socket,
+        })
+    }
+
+    pub fn manager(
+        self,
+        config: &'static Config,
+        shared_state: HashMap<&'static Stream, HashMap<&'static Filter, FilterManager>>,
+        shutdown: ShutdownToken,
+    ) {
+        tokio::spawn(async move {
+            loop {
+                tokio::select! {
+                    _ = shutdown.wait() => break,
+                    try_conn = self.socket.accept() => {
+                        match try_conn {
+                            Ok((conn, _)) => {
+                                let mut transport = Framed::new(conn, LengthDelimitedCodec::new());
+                                // Decode
+                                let received = transport.next().await;
+                                let encoded_request = match received {
+                                    Some(r) => or_next!("while reading request", r),
+                                    None => {
+                                        error!("failed to answer client: client sent no request");
+                                        continue;
+                                    }
+                                };
+                                let request = or_next!(
+                                    "failed to decode request",
+                                    serde_json::from_slice(&encoded_request)
+                                    );
+                                // Process
+                                let response = answer_order(config, &shared_state, request).await;
+                                // Encode
+                                let encoded_response =
+                                    or_next!("failed to serialize response", serde_json::to_string::<DaemonResponse>(&response));
+                                or_next!(
+                                    "failed to send response:",
+                                    transport.send(Bytes::from(encoded_response)).await
+                                    );
+                            }
+                            Err(err) => error!("failed to open connection from cli: {err}"),
+                        }
+                    }
+                }
+            }
+
+            if let Err(err) = fs::remove_file(self.path).await {
+                error!("failed to remove socket: {}", err);
+            }
+        });
+    }
+}
diff --git a/src/daemon/stream.rs b/src/daemon/stream.rs
new file mode 100644
index 0000000..3ed0d56
--- /dev/null
+++ b/src/daemon/stream.rs
@@ -0,0 +1,239 @@
+use std::{
+    collections::{BTreeSet, HashMap},
+    process::Stdio,
+};
+
+use futures::{FutureExt, Stream as AsyncStream, StreamExt, future::join_all};
+use reaction_plugin::{StreamImpl, shutdown::ShutdownToken};
+use tokio::{
+    io::{AsyncBufReadExt, BufReader},
+    process::{Child, ChildStderr, ChildStdout, Command},
+};
+use tracing::{debug, error, info};
+
+use crate::{
+    concepts::{Filter, Stream, Time, now},
+    daemon::{filter::FilterManager, plugin::Plugins, utils::kill_child},
+};
+
+/// Converts bytes to line string, discarding invalid utf8 sequences and newlines at the end
+fn to_line(data: &[u8]) -> String {
+    String::from_utf8_lossy(data)
+        .trim_end_matches('\n')
+        .replace(std::char::REPLACEMENT_CHARACTER, "")
+}
+
+pub fn reader_to_stream(
+    reader: impl tokio::io::AsyncRead + Unpin,
+) -> impl AsyncStream<Item = Result<String, std::io::Error>> {
+    let buf_reader = BufReader::new(reader);
+    let buffer = vec![];
+    futures::stream::try_unfold(
+        (buf_reader, buffer),
+        |(mut buf_reader, mut buffer)| async move {
+            let nl = buf_reader.read_until(b'\n', &mut buffer).await?;
+            if nl > 0 {
+                let line = to_line(&buffer);
+                buffer.clear();
+                Ok(Some((line, (buf_reader, buffer))))
+            } else {
+                Ok(None)
+            }
+        },
+    )
+}
+
+pub struct StreamManager {
+    regex_index_to_filter_manager: Vec<FilterManager>,
+    stream: &'static Stream,
+    stream_plugin: Option<StreamImpl>,
+    shutdown: ShutdownToken,
+}
+
+impl StreamManager {
+    pub async fn new(
+        stream: &'static Stream,
+        filter_managers: HashMap<&'static Filter, FilterManager>,
+        shutdown: ShutdownToken,
+        plugins: &mut Plugins,
+    ) -> Result<Self, String> {
+        let stream_plugin = if stream.is_plugin() {
+            Some(
+                plugins
+                    .get_stream_impl(stream.name.clone())
+                    .ok_or_else(|| {
+                        format!(
+                            "stream {} doesn't load a plugin. this is a bug!",
+                            stream.name
+                        )
+                    })?,
+            )
+        } else {
+            None
+        };
+
+        let regex_index_to_filter_manager = stream
+            .regex_index_to_filter_name
+            .iter()
+            .map(|filter_name| {
+                filter_managers
+                    .iter()
+                    .find(|(filter, _)| filter_name == &filter.name)
+                    .unwrap()
+                    .1
+                    .clone()
+            })
+            .collect();
+
+        debug!("successfully initialized stream {}", stream.name);
+
+        Ok(StreamManager {
+            regex_index_to_filter_manager,
+            stream,
+            stream_plugin,
+            shutdown,
+        })
+    }
+
+    pub fn is_standalone(&self) -> bool {
+        match &self.stream_plugin {
+            Some(plugin) => plugin.standalone,
+            None => true,
+        }
+    }
+
+    pub async fn start(mut self) {
+        // First start FilterManagers persisted actions
+        let now = now();
+        join_all(
+            self.regex_index_to_filter_manager
+                .iter()
+                .map(|filter_manager| filter_manager.start(now)),
+        )
+        .await;
+
+        // Then start stream
+        info!("{}: start {:?}", self.stream.name, self.stream.cmd);
+
+        if self.stream_plugin.is_some() {
+            self.start_plugin().await
+        } else {
+            self.start_cmd().await
+        }
+    }
+
+    async fn start_plugin(&mut self) {
+        let mut plugin = self.stream_plugin.take().unwrap();
+
+        loop {
+            match plugin.stream.recv().await {
+                Ok(Some((line, time))) => {
+                    self.handle_line(line, time.into()).await;
+                }
+                Err(err) => {
+                    if err.is_final() {
+                        error!(
+                            "error reading from plugin stream {}: {}",
+                            self.stream.name, err
+                        );
+                        return;
+                    } else {
+                        error!(
+                            "temporary error reading from plugin stream {}: {}",
+                            self.stream.name, err
+                        );
+                    }
+                }
+                Ok(None) => {
+                    if !self.shutdown.is_shutdown() {
+                        error!("stream {} has exited", self.stream.name);
+                    }
+                    return;
+                }
+            }
+        }
+    }
+
+    async fn start_cmd(&self) {
+        let mut child = match Command::new(&self.stream.cmd[0])
+            .args(&self.stream.cmd[1..])
+            .stdin(Stdio::null())
+            .stderr(Stdio::piped())
+            .stdout(Stdio::piped())
+            .spawn()
+        {
+            Ok(child) => child,
+            Err(err) => {
+                error!("could not execute stream {} cmd: {}", self.stream.name, err);
+                return;
+            }
+        };
+
+        // keep stdout/stderr before moving child to handle_child
+        #[allow(clippy::unwrap_used)]
+        // we know there is an stdout because we asked for Stdio::piped()
+        let child_stdout = child.stdout.take().unwrap();
+        #[allow(clippy::unwrap_used)]
+        // we know there is an stderr because we asked for Stdio::piped()
+        let child_stderr = child.stderr.take().unwrap();
+
+        tokio::join!(
+            self.handle_child(child),
+            self.handle_io(child_stdout, child_stderr),
+        );
+    }
+
+    async fn handle_child(&self, mut child: Child) {
+        // wait either for the child process to exit on its own or for the shutdown signal
+        futures::select! {
+            _ = child.wait().fuse() => {
+                error!("stream {} exited: its command returned.", self.stream.name);
+                return;
+            }
+            _ = self.shutdown.wait().fuse() => {}
+        }
+
+        kill_child(child, format!("stream {}", self.stream.name), 15).await;
+    }
+
+    async fn handle_io(&self, child_stdout: ChildStdout, child_stderr: ChildStderr) {
+        let lines_stdout = reader_to_stream(child_stdout);
+        let lines_stderr = reader_to_stream(child_stderr);
+        // aggregate outputs, will end when both streams end
+        let lines = futures::stream::select(lines_stdout, lines_stderr);
+        tokio::pin!(lines);
+
+        loop {
+            match lines.next().await {
+                Some(Ok(line)) => {
+                    let now = now();
+                    self.handle_line(line, now).await;
+                }
+                Some(Err(err)) => {
+                    error!(
+                        "impossible to read output from stream {}: {}",
+                        self.stream.name, err
+                    );
+                    return;
+                }
+                None => {
+                    return;
+                }
+            }
+        }
+    }
+
+    async fn handle_line(&self, line: String, time: Time) {
+        for manager in self.matching_filters(&line) {
+            manager.handle_line(&line, time).await;
+        }
+    }
+
+    fn matching_filters(&self, line: &str) -> BTreeSet<&FilterManager> {
+        let matches = self.stream.compiled_regex_set.matches(line);
+        matches
+            .into_iter()
+            .map(|match_| &self.regex_index_to_filter_manager[match_])
+            .collect()
+    }
+}
diff --git a/src/daemon/utils.rs b/src/daemon/utils.rs
new file mode 100644
index 0000000..4ec94ae
--- /dev/null
+++ b/src/daemon/utils.rs
@@ -0,0 +1,51 @@
+use std::time::Duration;
+
+use tokio::{process::Child, time::timeout};
+use tracing::{error, warn};
+
+pub async fn kill_child(mut child: Child, context: String, grace_time_sec: u64) {
+    const STREAM_PROCESS_KILL_WAIT_TIMEOUT_SEC: u64 = 5;
+
+    // first, try to ask nicely the child process to exit
+    if let Some(pid) = child.id() {
+        let pid = nix::unistd::Pid::from_raw(pid as i32);
+
+        // the most likely error is that the process does not exist anymore
+        // but we still need to reclaim it with Child::wait
+        let _ = nix::sys::signal::kill(pid, nix::sys::signal::SIGTERM);
+
+        if let Ok(_) = timeout(Duration::from_secs(grace_time_sec), child.wait()).await {
+            return;
+        }
+    } else {
+        warn!("could not get PID of child process for {context}");
+        // still try to use tokio API to kill and reclaim the child process
+    }
+
+    // if that fails, or we cannot get the underlying PID, terminate the process.
+    // NOTE: processes killed with SIGKILL are not guaranteed to exit. They can be locked up in a
+    // syscall to a resource no-longer available (a notorious example is a read on a disconnected
+    // NFS share)
+
+    // as before, the only expected error is that the child process already terminated
+    // but we still need to reclaim it if that's the case.
+    warn!("process for {context} didn't exit {grace_time_sec}s after SIGTERM, sending SIGKILL");
+    let _ = child.start_kill();
+
+    match timeout(
+        Duration::from_secs(STREAM_PROCESS_KILL_WAIT_TIMEOUT_SEC),
+        child.wait(),
+    )
+    .await
+    {
+        Ok(_) => {}
+        Err(_) => match child.id() {
+            Some(id) => {
+                error!("child process of {context} did not terminate. PID: {id}");
+            }
+            None => {
+                error!("child process of {context} did not terminate");
+            }
+        },
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..3bd0acf
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,11 @@
+#![warn(clippy::panic, clippy::todo, clippy::unimplemented, unsafe_code)]
+#![allow(clippy::upper_case_acronyms, clippy::mutable_key_type)]
+// Allow unwrap in tests
+#![cfg_attr(test, allow(clippy::unwrap_used))]
+
+pub mod cli;
+pub mod client;
+pub mod concepts;
+pub mod daemon;
+pub mod protocol;
+pub mod tests;
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..e1db591
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,90 @@
+use std::{io::IsTerminal, process::exit};
+
+use clap::Parser;
+use reaction::{
+    cli::{Cli, Format, SubCommand},
+    client::{request, test_config, test_regex},
+    daemon::daemon,
+    protocol::Order,
+};
+
+#[tokio::main]
+async fn main() {
+    // Show a nice message when reaction panics
+    std::panic::set_hook(Box::new(move |panic_info| {
+        eprintln!("ERROR internal reaction error: panic");
+        eprintln!("{}", panic_info);
+        eprintln!();
+        eprintln!("This is likely a bug in reaction. Please report it on the issue tracker:");
+        eprintln!("https://framagit.org/ppom/reaction/-/issues");
+        eprintln!();
+        eprintln!("Please include the last log messages in your bug report, as well as any");
+        eprintln!("relevant information on the context in which reaction was running when");
+        eprintln!("this error occurred.");
+    }));
+
+    // console_subscriber::init();
+
+    let cli = Cli::parse();
+
+    if let SubCommand::Start {
+        loglevel,
+        config,
+        socket,
+    } = cli.command
+    {
+        if let Err(err) = tracing_subscriber::fmt::fmt()
+            .without_time()
+            .with_target(false)
+            .with_ansi(std::io::stdout().is_terminal())
+            .with_max_level(loglevel)
+            // .with_max_level(Level::TRACE)
+            .try_init()
+        {
+            eprintln!("ERROR could not initialize logging: {err}");
+            exit(1);
+        }
+        exit(daemon(config, socket).await);
+    } else {
+        let result = match cli.command {
+            SubCommand::Show {
+                socket,
+                format,
+                limit,
+                patterns,
+            } => request(socket, format, limit, patterns, Order::Show).await,
+            SubCommand::Flush {
+                socket,
+                format,
+                limit,
+                patterns,
+            } => request(socket, format, limit, patterns, Order::Flush).await,
+            SubCommand::Trigger {
+                socket,
+                limit,
+                patterns,
+            } => request(socket, Format::JSON, Some(limit), patterns, Order::Trigger).await,
+            SubCommand::TestRegex {
+                config,
+                regex,
+                line,
+            } => test_regex(config, regex, line),
+            SubCommand::TestConfig {
+                config,
+                format,
+                verbose,
+            } => test_config(config, format, verbose),
+            // Can't be daemon
+            _ => Ok(()),
+        };
+        match result {
+            Ok(()) => {
+                exit(0);
+            }
+            Err(err) => {
+                eprintln!("ERROR {err}");
+                exit(1);
+            }
+        }
+    }
+}
diff --git a/src/protocol.rs b/src/protocol.rs
new file mode 100644
index 0000000..9dff86e
--- /dev/null
+++ b/src/protocol.rs
@@ -0,0 +1,78 @@
+use std::collections::BTreeMap;
+
+use serde::{
+    // ser::{SerializeMap, SerializeStruct},
+    Deserialize,
+    Serialize,
+};
+
+// We don't need protocol versionning here because
+// client and daemon are the same binary
+
+#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
+pub enum Order {
+    Show,
+    Flush,
+    Trigger,
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct ClientRequest {
+    pub order: Order,
+    pub stream_filter: Option<String>,
+    pub patterns: Vec<(String, String)>,
+}
+
+#[derive(Serialize, Deserialize)]
+pub enum DaemonResponse {
+    Ok(()),
+    Order(ClientStatus),
+    Err(String),
+}
+
+pub type ClientStatus = BTreeMap<String, BTreeMap<String, BTreeMap<String, PatternStatus>>>;
+
+#[derive(Debug, Default, Deserialize, Serialize)]
+pub struct PatternStatus {
+    #[serde(default, skip_serializing_if = "is_zero")]
+    pub matches: usize,
+    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
+    pub actions: BTreeMap<String, Vec<String>>,
+}
+
+fn is_zero(n: &usize) -> bool {
+    *n == 0
+}
+
+pub trait Cleanable {
+    /// Remove empty fields
+    fn clean(self) -> Self;
+}
+
+impl Cleanable for ClientStatus {
+    fn clean(self) -> Self {
+        self.into_iter()
+            .map(|(key, value)| {
+                (
+                    key,
+                    value
+                        .into_iter()
+                        .map(|(key, value)| {
+                            (
+                                key,
+                                value
+                                    .into_iter()
+                                    .filter(|(_, value)| {
+                                        value.matches != 0 || !value.actions.is_empty()
+                                    })
+                                    .collect::<BTreeMap<_, _>>(),
+                            )
+                        })
+                        .filter(|(_, value)| !value.is_empty())
+                        .collect::<BTreeMap<_, _>>(),
+                )
+            })
+            .filter(|(_, value)| !value.is_empty())
+            .collect()
+    }
+}
diff --git a/src/tests.rs b/src/tests.rs
new file mode 100644
index 0000000..9eae17d
--- /dev/null
+++ b/src/tests.rs
@@ -0,0 +1,93 @@
+#![cfg(test)]
+
+use std::{
+    fs::File,
+    io::Write,
+    ops::{Deref, DerefMut},
+    path::{Path, PathBuf},
+};
+
+use tempfile::TempDir;
+
+use treedb::{Database, LoadedDB};
+
+pub struct Fixture {
+    path: PathBuf,
+    _tempdir: TempDir,
+}
+
+impl Fixture {
+    // pub fn from_file(source: &Path) -> Self {
+    //     let dir = TempDir::new().unwrap();
+    //     let filename = source.file_name();
+    //     let path = dir.path().join(&filename.unwrap());
+    //     fs::copy(&source, &path).unwrap();
+    //     Fixture {
+    //         path,
+    //         _tempdir: dir,
+    //     }
+    // }
+
+    pub fn from_string(filename: &str, content: &str) -> Self {
+        let dir = TempDir::new().unwrap();
+        let path = dir.path().join(filename);
+        let mut file = File::create(&path).unwrap();
+        file.write_all(content.as_bytes()).unwrap();
+        Fixture {
+            path,
+            _tempdir: dir,
+        }
+    }
+
+    pub fn empty(filename: &str) -> Self {
+        let dir = TempDir::new().unwrap();
+        let path = dir.path().join(filename);
+        Fixture {
+            _tempdir: dir,
+            path,
+        }
+    }
+}
+
+impl Deref for Fixture {
+    type Target = Path;
+
+    fn deref(&self) -> &Self::Target {
+        self.path.deref()
+    }
+}
+
+pub struct TempDatabase {
+    db: Database,
+    _tempdir: TempDir,
+}
+
+impl TempDatabase {
+    pub async fn default() -> Self {
+        let _tempdir = TempDir::new().unwrap();
+        let db = Database::from_dir(_tempdir.path(), None).await.unwrap();
+        TempDatabase { _tempdir, db }
+    }
+
+    pub async fn from_loaded_db(loaded_db: LoadedDB) -> Self {
+        let _tempdir = TempDir::new().unwrap();
+        let db = Database::from_dir(_tempdir.path(), Some(loaded_db))
+            .await
+            .unwrap();
+        TempDatabase { _tempdir, db }
+    }
+}
+
+impl Deref for TempDatabase {
+    type Target = Database;
+
+    fn deref(&self) -> &Self::Target {
+        &self.db
+    }
+}
+
+impl DerefMut for TempDatabase {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.db
+    }
+}
diff --git a/tests/conf_load.rs b/tests/conf_load.rs
new file mode 100644
index 0000000..4968621
--- /dev/null
+++ b/tests/conf_load.rs
@@ -0,0 +1,80 @@
+use std::error::Error;
+
+use assert_cmd::cargo::cargo_bin_cmd;
+
+#[test]
+fn load_conf_directory() -> Result<(), Box<dyn Error>> {
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args([
+        "test-config",
+        "--verbose",
+        "--config",
+        "./tests/test-conf/conf-00.d",
+    ]);
+    cmd.assert().success().stdout(
+        r#"Loaded the configuration from the following files in the directory ./tests/test-conf/conf-00.d in this order:
+part.json
+part.jsonnet
+part.yaml
+part.yml
+
+concurrency: 1
+state_directory: .
+patterns:
+  mypat:
+    regex: FLAG
+    ipv4mask: null
+    ipv6mask: null
+start:
+- - echo
+  - start
+stop:
+- - echo
+  - stop
+streams:
+  common:
+    cmd:
+    - cat
+    - access.log
+    filters:
+      from_jsonnet:
+        regex:
+        - ^<mypat>
+        duplicate: extend
+        actions:
+          ban:
+            cmd:
+            - ban
+            - <mypat>
+          unban:
+            cmd:
+            - unban
+            - <mypat>
+            after: 42s
+      from_yaml:
+        regex:
+        - ^'<mypat>'
+        duplicate: extend
+        actions:
+          print:
+            cmd:
+            - echo
+            - <mypat>
+            after: 1s
+
+"#);
+    Ok(())
+}
+
+#[test]
+fn example_configs_are_equal() {
+    let outputs = ["config/example.yml", "config/example.jsonnet"]
+        .map(|config_path| {
+            let mut cmd = cargo_bin_cmd!("reaction");
+            cmd.args(["test-config", "--config", config_path]);
+            cmd.assert().success().get_output().stdout.clone()
+        })
+        .map(String::from_utf8)
+        .map(Result::unwrap);
+    assert_eq!(outputs[0], outputs[1]);
+}
diff --git a/tests/end_to_end.rs b/tests/end_to_end.rs
new file mode 100644
index 0000000..cfe09d6
--- /dev/null
+++ b/tests/end_to_end.rs
@@ -0,0 +1,238 @@
+use std::{error::Error, path::Path, process::Stdio, thread::sleep, time::Duration};
+
+use assert_cmd::cargo::cargo_bin_cmd;
+use assert_fs::prelude::*;
+use nix::sys::signal;
+use predicates::prelude::predicate;
+
+#[test]
+#[ignore = "currently failing"] // FIXME
+fn actions_delayed_and_on_exit() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-after.jsonnet"))?;
+
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args(["start", "--socket", "./s", "--config", "./config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.timeout(Duration::from_secs(5));
+    // Expected exit 1: all stream exited
+    cmd.assert().code(predicate::eq(1));
+
+    // Expect 9 lines of im, then de (appended after 1s), then la (appended on reaction exit).
+    const EXPECTED_MATCH: usize = 9;
+    const CATEGORIES: [&str; 3] = ["im", "de", "la"];
+    let mut expected = String::new();
+    for cat in &CATEGORIES {
+        for _ in 0..EXPECTED_MATCH {
+            expected += cat;
+            expected += "\n";
+        }
+    }
+
+    tmp_dir.child("log").assert(&expected);
+
+    Ok(())
+}
+
+#[test]
+#[ignore = "long test (~15s)"]
+fn kill_stream_on_exit() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-shutdown.jsonnet"))?;
+
+    let cmd = cargo_bin_cmd!("reaction");
+    let mut cmd = std::process::Command::new(cmd.get_program());
+    cmd.args(["start", "--socket", "./s", "--config", "./config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.stdin(std::process::Stdio::null());
+    cmd.stdout(std::process::Stdio::null());
+    cmd.stderr(std::process::Stdio::null());
+    let mut child = cmd.spawn()?;
+    let start = std::time::Instant::now();
+
+    // wait for reaction to start all its streams
+    sleep(std::time::Duration::from_millis(500));
+
+    let pid = nix::unistd::Pid::from_raw(child.id() as i32);
+
+    // stop reaction, ignore kill error (should only happen if the process already exited)
+    let _ = signal::kill(pid, signal::SIGINT);
+
+    // wait for reaction exit (it waits for all streams to exit, ~15s)
+    loop {
+        match child.try_wait()? {
+            None => {}
+            Some(status) => {
+                assert_eq!(
+                    status.code(),
+                    Some(0),
+                    "Expect reaction to terminate with code 0"
+                );
+                break;
+            }
+        }
+
+        let elapsed = std::time::Instant::now() - start;
+        if elapsed > std::time::Duration::from_secs(20) {
+            // try to terminate reaction before ending the test
+            let _ = signal::kill(pid, signal::SIGKILL);
+            let _ = child.wait();
+
+            panic!("Test timed out");
+        }
+    }
+
+    // make sure the streams were correctly signaled
+    tmp_dir.child("log_term").assert("sigterm\n");
+    tmp_dir.child("log_kill").assert("sigterm\n");
+
+    Ok(())
+}
+
+#[test]
+fn non_utf8_is_stripped() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-binary-input.jsonnet"))?;
+
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args(["start", "--socket", "./s", "--config", "config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.timeout(std::time::Duration::from_secs(1));
+    // Expect exit code 1: all streams exited
+    cmd.assert().code(predicate::eq(1));
+
+    let expected = "received \"\x1babc \x05\"\n".repeat(3);
+    tmp_dir.child("log").assert(&expected);
+
+    Ok(())
+}
+
+#[test]
+fn capture_streams_stderr() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-stream-stderr.jsonnet"))?;
+
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args(["start", "--socket", "./s", "--config", "config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.timeout(std::time::Duration::from_secs(1));
+    // Expect exit code 1: all streams exited
+    cmd.assert().code(predicate::eq(1));
+
+    let mut expected = String::new();
+    for n in 1..=5 {
+        expected += &format!("{n}\n");
+    }
+    tmp_dir.child("log").assert(&expected);
+
+    Ok(())
+}
+
+#[test]
+fn manualy_trigger_filter() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-trigger.jsonnet"))?;
+
+    // start daemon
+    let cmd = cargo_bin_cmd!("reaction");
+    let program = cmd.get_program();
+    let mut cmd = std::process::Command::new(program);
+    cmd.args(["start", "--socket", "./s", "--config", "config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.stdin(Stdio::null());
+    cmd.stdout(Stdio::null());
+    cmd.stderr(Stdio::null());
+    let mut daemon = cmd.spawn()?;
+    let start = std::time::Instant::now();
+
+    // wait for socket to be created
+    loop {
+        std::thread::sleep(Duration::from_millis(10));
+
+        let c = tmp_dir.child("s");
+        if c.exists() {
+            break;
+        }
+
+        let elapsed = std::time::Instant::now() - start;
+        if elapsed > Duration::from_secs(1) {
+            let _ = daemon.kill();
+            let _ = daemon.wait();
+            panic!("Daemon did not create socket");
+        }
+    }
+
+    let socket = tmp_dir.child("s");
+    let socket_path = socket.path().to_str().unwrap();
+
+    // trigger event manually
+    let mut cmd_trigger = cargo_bin_cmd!("reaction");
+    cmd_trigger.current_dir(tmp_dir.path());
+    cmd_trigger.args(["trigger", "--socket", socket_path, "s1.f1", "num=95"]);
+    cmd_trigger.timeout(Duration::from_secs(1));
+    cmd_trigger.assert().success();
+
+    // wait for daemon exit
+    loop {
+        std::thread::sleep(Duration::from_millis(100));
+
+        if let Some(res) = daemon.try_wait()? {
+            assert_eq!(
+                res.code(),
+                Some(1),
+                "Expect exit code 1: All streams exited"
+            );
+            break;
+        }
+
+        let elapsed = std::time::Instant::now() - start;
+        if elapsed > Duration::from_secs(2) {
+            let _ = daemon.kill();
+            let _ = daemon.wait();
+            panic!("Daemon did not exit");
+        }
+    }
+
+    tmp_dir.child("log").assert("95\n");
+
+    Ok(())
+}
+
+#[test]
+fn filter_regex_match_eol() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-eol-match.jsonnet"))?;
+
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args(["start", "--socket", "./s", "--config", "config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.timeout(std::time::Duration::from_secs(1));
+    // Expect exit code 1: all streams exited
+    cmd.assert().code(predicate::eq(1));
+
+    let mut expected = String::new();
+    for i in 1..=5 {
+        expected += &format!("{i}\n");
+    }
+    tmp_dir.child("log").assert(&expected);
+
+    Ok(())
+}
diff --git a/tests/ip.rs b/tests/ip.rs
new file mode 100644
index 0000000..fe5f44b
--- /dev/null
+++ b/tests/ip.rs
@@ -0,0 +1,179 @@
+use std::{
+    env,
+    fs::File,
+    io::{IsTerminal, Read, Write},
+    time::Duration,
+};
+
+use tempfile::TempDir;
+use tracing::Level;
+
+use reaction::{cli::Format, client::request, daemon::daemon, protocol::Order};
+use tokio::time::sleep;
+
+fn file_with_contents(path: &str, contents: &str) {
+    let mut file = File::create(path).unwrap();
+    file.write_all(contents.as_bytes()).unwrap();
+}
+
+fn config_with_cmd(config_path: &str, cmd: &str) {
+    file_with_contents(
+        config_path,
+        &("
+{
+    concurrency: 0,
+    patterns: {
+        ip: {
+            type: 'ip',
+            ipv6mask: 64,
+        },
+    },
+    streams: {
+        stream1: {
+            cmd: ['sh', '-c', '"
+            .to_owned()
+            + cmd
+            + "'],
+            filters: {
+                filter1: {
+                    regex: ['ip <ip>'],
+                    retry: 2,
+                    retryperiod: '2s',
+                    duplicate: 'rerun',
+                    actions: {
+                        // Don't mix code and data at home!
+                        // You may permit arbitrary execution from vilains,
+                        // if your regex is permissive enough.
+                        // This is OK only for testing purposes.
+                        ipv4_1: {
+                            cmd: ['sh', '-c', 'echo <ip> >> ./ipv4.txt'],
+                            ipv4only: true,
+                        },
+                        ipv4_2: {
+                            cmd: ['sh', '-c', 'echo del <ip> >> ./ipv4.txt'],
+                            ipv4only: true,
+                            after: '30s',
+                            onexit: false,
+                        },
+                        ipv6_1: {
+                            cmd: ['sh', '-c', 'echo <ip> >> ./ipv6.txt'],
+                            ipv6only: true,
+                        },
+                        ipv6_2: {
+                            cmd: ['sh', '-c', 'echo del <ip> >> ./ipv6.txt'],
+                            ipv6only: true,
+                            after: '30s',
+                            onexit: false,
+                        },
+                        all_1: {
+                            cmd: ['sh', '-c', 'echo <ip> >> ./out.txt'],
+                        },
+                        all_2: {
+                            cmd: ['sh', '-c', 'echo del <ip> >> ./out.txt'],
+                            after: '30s',
+                            onexit: false,
+                        },
+                    }
+                }
+            }
+        }
+    }
+}"),
+    );
+}
+
+fn get_file_content(path: &str) -> String {
+    let mut out_txt = File::open(path).unwrap();
+    let mut contents = String::new();
+    out_txt.read_to_string(&mut contents).unwrap();
+    contents
+}
+
+#[tokio::test]
+async fn ip() {
+    let dir = TempDir::new().unwrap();
+    env::set_current_dir(&dir).unwrap();
+
+    let config_path = "config.jsonnet";
+    let out_path = "./out.txt";
+    let ipv4_path = "./ipv4.txt";
+    let ipv6_path = "./ipv6.txt";
+    let socket_path = "./reaction.sock";
+
+    config_with_cmd(
+        config_path,
+        "for i in 1.2.3.4 204:31::1 5.5.5.5 1.2.3.4 204:31::1 5.5.5.5; do echo ip $i; sleep 0.01; done; sleep 0.15",
+    );
+
+    file_with_contents(out_path, "");
+    file_with_contents(ipv4_path, "");
+    file_with_contents(ipv6_path, "");
+
+    // Set the logger before running any code from the crate
+    tracing_subscriber::fmt::fmt()
+        .without_time()
+        .with_target(false)
+        .with_ansi(std::io::stdout().is_terminal())
+        .with_max_level(Level::DEBUG)
+        .try_init()
+        .unwrap();
+
+    // Run the daemon
+    let handle = tokio::spawn(async move { daemon(config_path.into(), socket_path.into()).await });
+
+    // Run the flushes
+
+    // We sleep for the time the echoes are finished + a bit (100ms)
+    let handle2 = tokio::spawn(async move {
+        sleep(Duration::from_millis(160)).await;
+        request(
+            socket_path.into(),
+            Format::JSON,
+            None,
+            vec![("ip".into(), "1.2.3.4".into())],
+            Order::Flush,
+        )
+        .await
+    });
+
+    let handle3 = tokio::spawn(async move {
+        sleep(Duration::from_millis(180)).await;
+        request(
+            socket_path.into(),
+            Format::JSON,
+            None,
+            vec![("ip".into(), "204:31::/64".into())],
+            Order::Flush,
+        )
+        .await
+    });
+
+    let (daemon_exit, flush1, flush2) = tokio::join!(handle, handle2, handle3);
+    assert!(daemon_exit.is_ok());
+    assert!(flush1.is_ok());
+    assert!(flush2.is_ok());
+
+    // tokio::time::sleep(Duration::from_secs(100)).await;
+
+    assert_eq!(
+        get_file_content(out_path).trim(),
+        [
+            "1.2.3.4",
+            "204:31::/64",
+            "5.5.5.5",
+            "del 1.2.3.4",
+            "del 204:31::/64"
+        ]
+        .join("\n")
+    );
+
+    assert_eq!(
+        get_file_content(ipv4_path).trim(),
+        ["1.2.3.4", "5.5.5.5", "del 1.2.3.4"].join("\n")
+    );
+
+    assert_eq!(
+        get_file_content(ipv6_path).trim(),
+        ["204:31::/64", "del 204:31::/64"].join("\n")
+    );
+}
diff --git a/tests/notif-no-pattern.jsonnet b/tests/notif-no-pattern.jsonnet
new file mode 100644
index 0000000..df8bec2
--- /dev/null
+++ b/tests/notif-no-pattern.jsonnet
@@ -0,0 +1,42 @@
+{
+  patterns: {
+    num: {
+      regex: '[0-9]+',
+      ignore: ['1'],
+      // ignoreregex: ['2.?'],
+    },
+  },
+
+  start: [
+    ['echo', 'coucou'],
+  ],
+
+  stop: [
+    ['echo', 'byebye'],
+  ],
+
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'seq 20 | while read i; do echo found $((i % 5)); sleep 1; done'],
+      filters: {
+        f1: {
+          regex: [
+            '^found [0-9]+$',
+          ],
+          retry: 4,
+          retryperiod: '60s',
+          actions: {
+            damn: {
+              cmd: ['notify-send', 'first stream', 'found!'],
+            },
+            undamn: {
+              cmd: ['notify-send', 'first stream', 'unfound'],
+              after: '3s',
+              onexit: true,
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/notif.jsonnet b/tests/notif.jsonnet
new file mode 100644
index 0000000..14d76c0
--- /dev/null
+++ b/tests/notif.jsonnet
@@ -0,0 +1,64 @@
+{
+  patterns: {
+    num: {
+      regex: '[0-9]+',
+      ignore: ['1'],
+      // ignoreregex: ['2.?'],
+    },
+    letter: {
+      regex: '[a-z]+',
+      ignore: ['b'],
+      // ignoreregex: ['b.?'],
+    },
+  },
+
+  start: [
+    ['echo', 'coucou'],
+  ],
+
+  stop: [
+    ['echo', 'byebye'],
+  ],
+
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'seq 20 | while read i; do echo found $((i % 5)); sleep 1; done'],
+      filters: {
+        f1: {
+          regex: [
+            '^found <num>$',
+          ],
+          retry: 2,
+          retryperiod: '60s',
+          actions: {
+            damn: {
+              cmd: ['notify-send', 'first stream', 'ban <num>'],
+            },
+            undamn: {
+              cmd: ['notify-send', 'first stream', 'unban <num>'],
+              after: '3s',
+              onexit: true,
+            },
+          },
+        },
+        f2: {
+          regex: [
+            "^can't found <num>$",
+          ],
+          retry: 2,
+          retryperiod: '60s',
+          actions: {
+            damn: {
+              cmd: ['notify-send', 'you should not see that', 'ban <num>'],
+            },
+            undamn: {
+              cmd: ['notify-send', 'you should not see that', 'unban <num>'],
+              after: '3s',
+              onexit: true,
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/persistence.rs b/tests/persistence.rs
new file mode 100644
index 0000000..d68db33
--- /dev/null
+++ b/tests/persistence.rs
@@ -0,0 +1,51 @@
+use std::{error::Error, path::Path, time::Duration};
+
+use assert_cmd::cargo::cargo_bin_cmd;
+use assert_fs::prelude::*;
+use predicates::prelude::predicate;
+
+#[test]
+fn resume_action() -> Result<(), Box<dyn Error>> {
+    let tmp_dir = assert_fs::TempDir::new()?;
+
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-resume-action.jsonnet"))?;
+
+    // first run
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args(["start", "--socket", "./s", "--config", "./config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.timeout(Duration::from_secs(5));
+    // Expected exit 1: all stream exited
+    cmd.assert().code(predicate::eq(1));
+
+    // expect a single match from the stream command
+    let expected = ["starting", "start4 10.1.0.1", "stopping"].join("\n") + "\n";
+    tmp_dir.child("log").assert(&expected);
+
+    // second run, expect to resume action
+    let mut cmd = cargo_bin_cmd!("reaction");
+    cmd.args(["start", "--socket", "./s", "--config", "./config.jsonnet"]);
+    cmd.current_dir(tmp_dir.path());
+    cmd.timeout(Duration::from_secs(5));
+    // Expected exit 1: all stream exited
+    cmd.assert().code(predicate::eq(1));
+
+    let expected = [
+        "starting",
+        "start4 10.1.0.1", // from the stream command
+        "stopping",
+        "starting",
+        "start4 10.1.0.1", // previous action loaded from db
+        "stop4 10.1.0.1",  // previous action lapses
+        "start4 10.1.0.1", // from the stream command
+        "stopping",
+    ]
+    .join("\n")
+        + "\n";
+
+    tmp_dir.child("log").assert(&expected);
+
+    Ok(())
+}
diff --git a/tests/plugin_cluster.rs b/tests/plugin_cluster.rs
new file mode 100644
index 0000000..2fc99c2
--- /dev/null
+++ b/tests/plugin_cluster.rs
@@ -0,0 +1,127 @@
+use std::{fs::read_to_string, path::Path, thread, time::Duration};
+
+use assert_cmd::{Command, cargo::cargo_bin_cmd};
+use assert_fs::prelude::*;
+
+const SECRET_KEY_A: &str = "g7U1LPq2cgGSyk6CH_v1QpoXowSFKVQ8IcFljd_ZKGw=";
+const PUBLIC_KEY_A: &str = "HhVh7ghqpXM9375HZ82OOeB504HBSS25wgug-1vUggY=";
+
+const SECRET_KEY_B: &str = "5EgRjwIpqd60IXWCGg5dFTtxkI-0fS1PlhoIhUjh1eY=";
+const PUBLIC_KEY_B: &str = "LPSQ9pS7m_5vvNC-fhoBNeL2-eS2Fd6aO4ImSnXp3lc=";
+
+// require UDP ports 9876-9879 to be free on 127.0.0.1
+
+#[test]
+#[ignore = "failing for now"]
+fn plugin_cluster_same_startup() {
+    // First build reaction-plugin-cluster
+    Command::new("cargo")
+        .args(["build", "-p", "reaction-plugin-cluster"])
+        .unwrap();
+
+    let config = read_to_string("tests/test-conf/test-cluster.jsonnet").unwrap();
+
+    let config_a = config
+        .replace("PUBLIC_KEY", PUBLIC_KEY_B)
+        .replace("NODE", "A")
+        .replace("1234", "9876")
+        .replace("4321", "9877");
+    let config_b = config
+        .replace("PUBLIC_KEY", PUBLIC_KEY_A)
+        .replace("NODE", "B")
+        .replace("1234", "9877")
+        .replace("4321", "9876");
+
+    let output_a = vec![
+        "B a0 1", "B a0 2", "B a0 3", "B a0 4", "B b0 1", "B b0 2", "B b0 3", "B b0 4", "",
+    ];
+    let output_b = vec![
+        "A a0 1", "A a0 2", "A a0 3", "A a0 4", "A b0 1", "A b0 2", "A b0 3", "A b0 4", "",
+    ];
+
+    let a_handle = thread::spawn(|| launch_node(config_a, SECRET_KEY_A, output_a));
+    let b_handle = thread::spawn(|| launch_node(config_b, SECRET_KEY_B, output_b));
+
+    a_handle.join().unwrap();
+    b_handle.join().unwrap();
+}
+
+#[test]
+#[ignore = "failing for now"]
+fn plugin_cluster_different_startup() {
+    // First build reaction-plugin-cluster
+    Command::new("cargo")
+        .args(["build", "-p", "reaction-plugin-cluster"])
+        .unwrap();
+
+    let config = read_to_string("tests/test-conf/test-cluster.jsonnet").unwrap();
+
+    let config_a = config
+        .replace("PUBLIC_KEY", PUBLIC_KEY_B)
+        .replace("NODE", "A")
+        .replace("1234", "9878")
+        .replace("4321", "9879");
+    let config_b = config
+        .replace("PUBLIC_KEY", PUBLIC_KEY_A)
+        .replace("NODE", "B")
+        .replace("1234", "9879")
+        .replace("4321", "9878");
+
+    let output_a = vec![
+        "B a0 1", "B a0 2", "B a0 3", "B a0 4", "B b0 1", "B b0 2", "B b0 3", "B b0 4", "",
+    ];
+    let output_b = vec![
+        "A a0 1", "A a0 2", "A a0 3", "A a0 4", "A b0 1", "A b0 2", "A b0 3", "A b0 4", "",
+    ];
+
+    let a_handle = thread::spawn(|| launch_node(config_a, SECRET_KEY_A, output_a));
+    let b_handle = thread::spawn(|| {
+        thread::sleep(Duration::from_secs(2));
+        launch_node(config_b, SECRET_KEY_B, output_b);
+    });
+
+    // thread::sleep(Duration::from_secs(60));
+
+    a_handle.join().unwrap();
+    b_handle.join().unwrap();
+}
+
+fn launch_node(config: String, my_secret: &'static str, expected_output: Vec<&'static str>) {
+    let tmp_dir = assert_fs::TempDir::new().unwrap();
+
+    // Write node config
+    tmp_dir.child("config.jsonnet").write_str(&config).unwrap();
+    tmp_dir
+        .child("plugin_data/cluster/secret_key_s1.txt")
+        .write_str(my_secret)
+        .unwrap();
+
+    // Copy cluster plugin
+    tmp_dir
+        .child("./target/debug/reaction-plugin-cluster")
+        .write_file(Path::new("./target/debug/reaction-plugin-cluster"))
+        .unwrap();
+
+    let output = cargo_bin_cmd!("reaction")
+        .args([
+            "start",
+            "--socket",
+            "./s",
+            "--config",
+            "./config.jsonnet",
+            "-l",
+            "DEBUG",
+        ])
+        .current_dir(tmp_dir.path())
+        .timeout(Duration::from_secs(5))
+        .output()
+        .unwrap();
+
+    println!(
+        "command output:\n{}",
+        String::from_utf8(output.stdout).unwrap()
+    );
+
+    // Expected output
+    tmp_dir.child("log").assert(expected_output.join("\n"));
+}
diff --git a/tests/plugin_virtual.rs b/tests/plugin_virtual.rs
new file mode 100644
index 0000000..89f37da
--- /dev/null
+++ b/tests/plugin_virtual.rs
@@ -0,0 +1,40 @@
+use std::{path::Path, time::Duration};
+
+use assert_cmd::{Command, cargo::cargo_bin_cmd};
+use assert_fs::prelude::*;
+use predicates::prelude::predicate;
+
+#[test]
+fn plugin_virtual() {
+    // First build reaction-plugin-virtual
+    Command::new("cargo")
+        .args(["build", "-p", "reaction-plugin-virtual"])
+        .unwrap();
+
+    let tmp_dir = assert_fs::TempDir::new().unwrap();
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/test-conf/test-virtual.jsonnet"))
+        .unwrap();
+
+    // Copy virtual plugin
+    tmp_dir
+        .child("./target/debug/reaction-plugin-virtual")
+        .write_file(Path::new("./target/debug/reaction-plugin-virtual"))
+        .unwrap();
+
+    cargo_bin_cmd!("reaction")
+        .args(["start", "--socket", "./s", "--config", "./config.jsonnet"])
+        .current_dir(tmp_dir.path())
+        .timeout(Duration::from_secs(5))
+        // Expected exit 1: all stream exited
+        .assert()
+        .code(predicate::eq(1));
+
+    // Expected output
+    let output = [
+        "a0 1", "a0 2", "a0 3", "a0 4", "b0 1", "b0 2", "b0 3", "b0 4", "",
+    ];
+    tmp_dir.child("log").assert(output.join("\n"));
+    tmp_dir.child("log").write_str("").unwrap();
+}
diff --git a/tests/simple.rs b/tests/simple.rs
new file mode 100644
index 0000000..88af416
--- /dev/null
+++ b/tests/simple.rs
@@ -0,0 +1,191 @@
+use std::{
+    env,
+    fs::File,
+    io::{IsTerminal, Read, Write},
+    time::Duration,
+};
+
+use tempfile::TempDir;
+use tracing::Level;
+
+use reaction::{cli::Format, client::request, daemon::daemon, protocol::Order};
+use tokio::time::sleep;
+
+fn file_with_contents(path: &str, contents: &str) {
+    let mut file = File::create(path).unwrap();
+    file.write_all(contents.as_bytes()).unwrap();
+}
+
+fn config_with_cmd(config_path: &str, cmd: &str) {
+    file_with_contents(
+        config_path,
+        &("
+{
+    concurrency: 0,
+    patterns: {
+        num: { regex: '[0-9]+' },
+    },
+    streams: {
+        stream1: {
+            cmd: ['sh', '-c', '"
+            .to_owned()
+            + cmd
+            + "'],
+            filters: {
+                filter1: {
+                    regex: ['here is <num>'],
+                    retry: 2,
+                    retryperiod: '2s',
+                    duplicate: 'rerun',
+                    actions: {
+                        // Don't mix code and data at home!
+                        // You may permit arbitrary execution from vilains,
+                        // if your regex is permissive enough.
+                        // This is OK only for testing purposes.
+                        action1: {
+                            cmd: ['sh', '-c', 'echo <num> >> ./out.txt'],
+                        },
+                        action2: {
+                            cmd: ['sh', '-c', 'echo del <num> >> ./out.txt'],
+                            after: '30s',
+                            onexit: false,
+                        },
+                        action_oneshot: {
+                            cmd: ['sh', '-c', 'echo oneshot <num> >> ./oneshot.txt'],
+                            oneshot: true,
+                        },
+                    }
+                }
+            }
+        }
+    }
+}"),
+    );
+}
+
+fn get_file_content(path: &str) -> String {
+    let mut out_txt = File::open(path).unwrap();
+    let mut contents = String::new();
+    out_txt.read_to_string(&mut contents).unwrap();
+    contents
+}
+
+#[tokio::test]
+async fn simple() {
+    let dir = TempDir::new().unwrap();
+    env::set_current_dir(&dir).unwrap();
+
+    let config_path = "config.jsonnet";
+    let out_path = "./out.txt";
+    let oneshot_path = "./oneshot.txt";
+    let socket_path = "./reaction.sock";
+
+    config_with_cmd(
+        config_path,
+        "for i in 12 24 36 24 36 12 12 24 56 67; do echo here is $i; sleep 0.01; done; sleep 0.15",
+    );
+
+    file_with_contents(out_path, "");
+    file_with_contents(oneshot_path, "");
+
+    // Set the logger before running any code from the crate
+    tracing_subscriber::fmt::fmt()
+        .without_time()
+        .with_target(false)
+        .with_ansi(std::io::stdout().is_terminal())
+        .with_max_level(Level::DEBUG)
+        .try_init()
+        .unwrap();
+
+    // Run the daemon
+    let handle = tokio::spawn(async move { daemon(config_path.into(), socket_path.into()).await });
+
+    // Run the flushes
+
+    // We sleep for the time the echoes are finished + a bit (100ms)
+    let handle2 = tokio::spawn(async move {
+        sleep(Duration::from_millis(200)).await;
+        request(
+            socket_path.into(),
+            Format::JSON,
+            None,
+            vec![("num".into(), "24".into())],
+            Order::Flush,
+        )
+        .await
+    });
+
+    let handle3 = tokio::spawn(async move {
+        sleep(Duration::from_millis(220)).await;
+        request(
+            socket_path.into(),
+            Format::JSON,
+            None,
+            vec![("num".into(), "56".into())],
+            Order::Flush,
+        )
+        .await
+    });
+
+    let (daemon_exit, flush1, flush2) = tokio::join!(handle, handle2, handle3);
+    assert!(daemon_exit.is_ok());
+    assert!(daemon_exit.unwrap() == 1);
+    assert!(flush1.is_ok());
+    assert!(flush1.unwrap().is_ok());
+    assert!(flush2.is_ok());
+    assert!(flush2.unwrap().is_ok());
+
+    assert_eq!(
+        // 24 is encountered for the second time, then
+        // 36 is encountered for the second time, then
+        // 12 is encountered for the second time, then
+        // 24 is flushed
+        get_file_content(out_path).trim(),
+        "24\n36\n12\ndel 24".to_owned().trim()
+    );
+
+    // oneshot actions are also executed
+    assert_eq!(
+        get_file_content(oneshot_path).trim(),
+        "oneshot 24\noneshot 36\noneshot 12".to_owned().trim()
+    );
+
+    // Second part of the test
+    // We test that persistence worked as intended
+    // Both for matches and for flushes
+
+    config_with_cmd(
+        config_path,
+        "sleep 0.02; for i in 12 24 36 56 67; do echo here is $i; sleep 0.01; done",
+    );
+
+    file_with_contents(out_path, "");
+    file_with_contents(oneshot_path, "");
+
+    let daemon_exit = daemon(config_path.into(), socket_path.into()).await;
+    assert!(daemon_exit == 1);
+
+    // 36 trigger from DB
+    // 12 trigger from DB
+    // 12 match from DB + new match
+    // 67 match from DB + new match
+    let content = get_file_content(out_path).trim().to_owned();
+    let scenario1 = "36\n12\n12\n67".trim().to_owned();
+    let scenario2 = "12\n36\n12\n67".trim().to_owned();
+    assert!(
+        content == scenario1 || content == scenario2,
+        "content: {}\nscenario1: {}\nscenario2: {}",
+        content,
+        scenario1,
+        scenario2
+    );
+
+    // triggers from the DB aren't executed for oneshot actions
+    // only for new triggers
+    // 12 match from DB + new match
+    // 67 match from DB + new match
+    assert_eq!(
+        get_file_content(oneshot_path).trim(),
+        "oneshot 12\noneshot 67".to_owned().trim()
+    );
+}
diff --git a/tests/start_stop.jsonnet b/tests/start_stop.jsonnet
new file mode 100644
index 0000000..1e483da
--- /dev/null
+++ b/tests/start_stop.jsonnet
@@ -0,0 +1,46 @@
+local echo(message, before='true') = [
+  'sh',
+  '-c',
+  before + '; echo ' + message + ' >> ./log',
+];
+{
+  patterns: {
+    num: {
+      regex: '[0-9]+',
+    },
+  },
+
+  start: [
+    echo('start 1'),
+    echo('start 2'),
+  ],
+
+  stop: [
+    echo('stop 1'),
+    echo('stop 2'),
+  ],
+
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'seq 2 | while read i; do echo runtime $i; sleep 0.1; done'],
+      filters: {
+        f1: {
+          duplicate: 'rerun',
+          regex: [
+            '^runtime <num>$',
+          ],
+          actions: {
+            one: {
+              cmd: echo('runtime <num>'),
+            },
+            two: {
+              cmd: echo('after', before='sleep 0.2'),
+              after: '5m',
+              onexit: true,
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/start_stop.rs b/tests/start_stop.rs
new file mode 100644
index 0000000..949b6b8
--- /dev/null
+++ b/tests/start_stop.rs
@@ -0,0 +1,90 @@
+use std::{path::Path, time::Duration};
+
+use assert_cmd::cargo::cargo_bin_cmd;
+use assert_fs::{TempDir, prelude::*};
+use predicates::prelude::predicate;
+
+#[test]
+fn start_stop() {
+    let tmp_dir = assert_fs::TempDir::new().unwrap();
+
+    run_reaction(&tmp_dir);
+
+    // Expected output
+    let output = [
+        "start 1",
+        "start 2",
+        "runtime 1",
+        "runtime 2",
+        // no order required because they'll be awaken all together on exit
+        "after",
+        "after",
+        "stop 1",
+        "stop 2",
+        "",
+    ];
+    tmp_dir.child("log").assert(output.join("\n"));
+    tmp_dir.child("log").write_str("").unwrap();
+
+    println!(
+        "DATABASE:\n{}",
+        std::fs::read_to_string(tmp_dir.child("reaction.db")).unwrap()
+    );
+
+    // Second run
+    run_reaction(&tmp_dir);
+
+    // Expected output
+    // (one of them)
+    let outputs = [
+        [
+            "start 1",
+            "start 2",
+            "runtime 1",
+            "runtime 2",
+            "runtime 1",
+            "runtime 2",
+            // no order required because they'll be awaken all together on exit
+            "after",
+            "after",
+            "after",
+            "after",
+            "stop 1",
+            "stop 2",
+            "",
+        ],
+        [
+            "start 1",
+            "start 2",
+            "runtime 2",
+            "runtime 1",
+            "runtime 1",
+            "runtime 2",
+            // no order required because they'll be awaken all together on exit
+            "after",
+            "after",
+            "after",
+            "after",
+            "stop 1",
+            "stop 2",
+            "",
+        ],
+    ];
+    let contents = std::fs::read_to_string(tmp_dir.child("log")).unwrap();
+    assert!(contents == outputs[0].join("\n") || contents == outputs[1].join("\n"));
+}
+
+fn run_reaction(tmp_dir: &TempDir) {
+    tmp_dir
+        .child("config.jsonnet")
+        .write_file(Path::new("tests/start_stop.jsonnet"))
+        .unwrap();
+
+    cargo_bin_cmd!("reaction")
+        .args(["start", "--socket", "./s", "--config", "./config.jsonnet"])
+        .current_dir(tmp_dir.path())
+        .timeout(Duration::from_secs(5))
+        // Expected exit 1: all stream exited
+        .assert()
+        .code(predicate::eq(1));
+}
diff --git a/tests/test-conf/conf-00.d/.should_be_ignored.json b/tests/test-conf/conf-00.d/.should_be_ignored.json
new file mode 100644
index 0000000..9ce7649
--- /dev/null
+++ b/tests/test-conf/conf-00.d/.should_be_ignored.json
@@ -0,0 +1 @@
+garbage
diff --git a/tests/test-conf/conf-00.d/_should_be_ignored.json b/tests/test-conf/conf-00.d/_should_be_ignored.json
new file mode 100644
index 0000000..9ce7649
--- /dev/null
+++ b/tests/test-conf/conf-00.d/_should_be_ignored.json
@@ -0,0 +1 @@
+garbage
diff --git a/tests/test-conf/conf-00.d/maybe_swap_file2.~1~ b/tests/test-conf/conf-00.d/maybe_swap_file2.~1~
new file mode 100644
index 0000000..9ce7649
--- /dev/null
+++ b/tests/test-conf/conf-00.d/maybe_swap_file2.~1~
@@ -0,0 +1 @@
+garbage
diff --git a/tests/test-conf/conf-00.d/maybe_swap_file~ b/tests/test-conf/conf-00.d/maybe_swap_file~
new file mode 100644
index 0000000..9ce7649
--- /dev/null
+++ b/tests/test-conf/conf-00.d/maybe_swap_file~
@@ -0,0 +1 @@
+garbage
diff --git a/tests/test-conf/conf-00.d/part.json b/tests/test-conf/conf-00.d/part.json
new file mode 100644
index 0000000..16c56cd
--- /dev/null
+++ b/tests/test-conf/conf-00.d/part.json
@@ -0,0 +1,7 @@
+{
+  "patterns": {
+    "mypat": {
+      "regex": "FLAG"
+    }
+  }
+}
diff --git a/tests/test-conf/conf-00.d/part.jsonnet b/tests/test-conf/conf-00.d/part.jsonnet
new file mode 100644
index 0000000..59e1530
--- /dev/null
+++ b/tests/test-conf/conf-00.d/part.jsonnet
@@ -0,0 +1,21 @@
+local banFor(time) = {
+  ban: {
+    cmd: ['ban', '<mypat>'],
+  },
+  unban: {
+    after: time,
+    cmd: ['unban', '<mypat>'],
+  }
+};
+{
+  streams: {
+    common: {
+      filters: {
+        from_jsonnet: {
+          regex: [@'^<mypat>'],
+          actions: banFor('42s'),
+        }
+      }
+    }
+  }
+}
diff --git a/tests/test-conf/conf-00.d/part.yaml b/tests/test-conf/conf-00.d/part.yaml
new file mode 100644
index 0000000..86c534f
--- /dev/null
+++ b/tests/test-conf/conf-00.d/part.yaml
@@ -0,0 +1,15 @@
+streams:
+  common:
+    cmd:
+      - cat
+      - access.log
+    filters:
+      from_yaml:
+        regex:
+          - '^''<mypat>'''
+        actions:
+          print:
+            after: 1s
+            cmd:
+              - echo
+              - <mypat>
diff --git a/tests/test-conf/conf-00.d/part.yml b/tests/test-conf/conf-00.d/part.yml
new file mode 100644
index 0000000..9b7ca55
--- /dev/null
+++ b/tests/test-conf/conf-00.d/part.yml
@@ -0,0 +1,7 @@
+concurrency: 1
+start:
+  - - echo
+    - start
+stop:
+  - - echo
+    - stop
diff --git a/tests/test-conf/test-after.jsonnet b/tests/test-conf/test-after.jsonnet
new file mode 100644
index 0000000..01ba0de
--- /dev/null
+++ b/tests/test-conf/test-after.jsonnet
@@ -0,0 +1,38 @@
+local log(cat) = [
+  // NOTE: do not log the ID as it would be out of order since all cat commands
+  // are executed at once
+  'sh', '-c', 'echo "' + cat + '" >>log',
+];
+{
+  patterns: {
+    id: {
+      regex: @'\d+',
+    },
+  },
+  streams: {
+    idle: {
+      cmd: ['sh', '-c', 'for n in $(seq 9); do echo $n; done; sleep 2'],
+      filters: {
+        filt1: {
+          regex: [
+            @'<id>',
+          ],
+          actions: {
+            act: {
+              cmd: log('im'),
+            },
+            delayed: {
+              cmd: log('de'),
+              after: '1s',
+            },
+            longafter: {
+              cmd: log('la'),
+              after: '1d',
+              onexit: true,
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-binary-input.jsonnet b/tests/test-conf/test-binary-input.jsonnet
new file mode 100644
index 0000000..19bab5f
--- /dev/null
+++ b/tests/test-conf/test-binary-input.jsonnet
@@ -0,0 +1,28 @@
+/* Test that non-utf8 characters are stripped from the commands' output
+ *
+ * ASCII characters such as \x1b, \x05 are kept as is.
+ */
+{
+  patterns: {
+    id: {
+      regex: @'.+',
+    },
+  },
+  streams: {
+    binary: {
+      cmd: ['sh', '-c', 'for n in $(seq 3); do printf "\\n\\x1babc\\xe2 \\x05"; done; printf "\\n"; sleep 0.2'],
+      filters: {
+        filt1: {
+          regex: [
+            @'<id>',
+          ],
+          actions: {
+            act: {
+              cmd: ['sh', '-c', 'echo \'received "<id>"\' >>log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-cluster.jsonnet b/tests/test-conf/test-cluster.jsonnet
new file mode 100644
index 0000000..36e7d76
--- /dev/null
+++ b/tests/test-conf/test-cluster.jsonnet
@@ -0,0 +1,71 @@
+{
+  patterns: {
+    num: {
+      regex: @"[0-9]+",
+    },
+    all: {
+      regex: @".*",
+    },
+  },
+
+  plugins: {
+    cluster: {
+      path: './target/debug/reaction-plugin-cluster',
+      check_root: false,
+      systemd_options: {
+        DynamicUser: ['false'],
+      },
+    },
+  },
+
+  streams: {
+    s0: {
+      cmd: ['bash', '-c', 'sleep 1; for i in $(seq 4); do echo $i; sleep 0.1; done'],
+      filters: {
+        f0: {
+          regex: ['^<num>$'],
+          actions: {
+            a0: {
+              type: 'cluster_send',
+              options: {
+                send: 'NODE a0 <num>',
+                to: 's1',
+              },
+            },
+            b0: {
+              type: 'cluster_send',
+              options: {
+                send: 'NODE b0 <num>',
+                to: 's1',
+              },
+              after: '1s',
+            },
+          },
+        },
+      },
+    },
+    s1: {
+      type: 'cluster',
+      options: {
+        listen_port: 1234,
+        bind_ipv4: '127.0.0.1',
+        bind_ipv6: null,
+        message_timeout: '30s',
+        nodes: [{
+          public_key: 'PUBLIC_KEY',
+          addresses: ['127.0.0.1:4321'],
+        }],
+      },
+      filters: {
+        f1: {
+          regex: ['^<all>$'],
+          actions: {
+            a1: {
+              cmd: ['sh', '-c', 'echo <all> >>./log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-eol-match.jsonnet b/tests/test-conf/test-eol-match.jsonnet
new file mode 100644
index 0000000..5513812
--- /dev/null
+++ b/tests/test-conf/test-eol-match.jsonnet
@@ -0,0 +1,20 @@
+{
+  patterns: {
+    num: { regex: '[0-9]+' },
+  },
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'for i in $(seq 5); do echo here is $i;  sleep 0.01; done'],
+      filters: {
+        f1: {
+          regex: ['here is <num>$'],
+          actions: {
+            log: {
+              cmd: ['sh', '-c', 'echo <num> >>./log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-ipset.jsonnet b/tests/test-conf/test-ipset.jsonnet
new file mode 100644
index 0000000..13c4c21
--- /dev/null
+++ b/tests/test-conf/test-ipset.jsonnet
@@ -0,0 +1,52 @@
+{
+  patterns: {
+    ip: {
+      type: 'ip',
+    },
+    all: {
+      regex: @".*",
+    },
+  },
+
+  plugins: {
+    ipset: {
+      path: './target/debug/reaction-plugin-ipset',
+      check_root: false,
+      systemd_options: {
+        CapabilityBoundingSet: ['~CAP_NET_ADMIN', '~CAP_PERFMON'],
+      },
+    },
+  },
+
+  streams: {
+    s0: {
+      cmd: ['bash', '-c', 'sleep 1; for i in $(seq 4); do echo 192.0.2.$i; echo 2001:db8:$i:a31b::$i; sleep 0.1; done; sleep 3'],
+      filters: {
+        f0: {
+          regex: ['^<ip>$'],
+          actions: {
+            a0: {
+              type: 'ipset',
+              options: {
+                set: 'reactiontest',
+                // pattern: 'ip',
+                // version: 'ip',
+                // chains: ['INPUT', 'FORWARD'],
+                // target: 'DROP',
+                // action: 'add',
+              },
+            },
+            a1: {
+              after: '2s',
+              type: 'ipset',
+              options: {
+                set: 'reactiontest',
+                action: 'del',
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-resume-action.jsonnet b/tests/test-conf/test-resume-action.jsonnet
new file mode 100644
index 0000000..3e92ef8
--- /dev/null
+++ b/tests/test-conf/test-resume-action.jsonnet
@@ -0,0 +1,46 @@
+{
+  patterns: {
+    ip: {
+      type: 'ip',
+      ipv6mask: 64,
+    },
+  },
+  start: [
+    ['sh', '-c', 'echo starting >>./log'],
+  ],
+  stop: [
+    ['sh', '-c', 'echo stopping >>./log'],
+  ],
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'sleep 2; echo T 10.1.0.1; sleep 0.2; echo T 10.1.0.1; sleep 0.8'],
+      filters: {
+        f1: {
+          regex: ['T <ip>'],
+          actions: {
+            log_start4: {
+              ipv4only: true,
+              cmd: ['sh', '-c', 'echo start4 <ip> >>./log'],
+            },
+            log_start6: {
+              ipv6only: true,
+              cmd: ['sh', '-c', 'echo start6 <ip> >>./log'],
+            },
+            log_stop4: {
+              ipv4only: true,
+              onexit: false,
+              after: '2s',
+              cmd: ['sh', '-c', 'echo stop4 <ip> >> ./log'],
+            },
+            log_stop6: {
+              ipv6only: true,
+              onexit: false,
+              after: '2s',
+              cmd: ['sh', '-c', 'echo stop6 <ip> >> ./log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-shutdown.jsonnet b/tests/test-conf/test-shutdown.jsonnet
new file mode 100644
index 0000000..fd4b6a6
--- /dev/null
+++ b/tests/test-conf/test-shutdown.jsonnet
@@ -0,0 +1,44 @@
+// build a small shell program that intercepts SIGTERM and either exit or ignores it
+local build_cmd(log, exit=true) = [
+  'sh',
+  '-c',
+  |||
+    t() {
+      echo sigterm >>%s
+      %s
+    }
+    trap t SIGTERM
+    while true; do sleep 1; done
+  |||
+  % [log, if exit then 'exit 0' else 'return'],
+];
+local dummy_filter = {
+  filt1: {
+    regex: [
+      @'abc',
+    ],
+    actions: {
+      act: {
+        cmd: ['echo', '1'],
+      },
+    },
+  },
+};
+{
+  patterns: {
+    zero: {
+      regex: @'0',
+    },
+  },
+
+  streams: {
+    exit_on_sigint: {
+      cmd: build_cmd('log_term', exit=true),
+      filters: dummy_filter,
+    },
+    exit_on_sigkill: {
+      cmd: build_cmd('log_kill', exit=false),
+      filters: dummy_filter,
+    },
+  },
+}
diff --git a/tests/test-conf/test-stream-stderr.jsonnet b/tests/test-conf/test-stream-stderr.jsonnet
new file mode 100644
index 0000000..de78c74
--- /dev/null
+++ b/tests/test-conf/test-stream-stderr.jsonnet
@@ -0,0 +1,23 @@
+{
+  concurrency: 1,
+  patterns: {
+    num: { regex: '[0-9]+' },
+  },
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'for i in $(seq 5); do echo here is $i; echo here is $i 1>&2; sleep 0.01; done'],
+      filters: {
+        f1: {
+          regex: ['here is <num>'],
+          retry: 2,
+          retryperiod: '2s',
+          actions: {
+            log: {
+              cmd: ['sh', '-c', 'echo <num> >>./log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-trigger.jsonnet b/tests/test-conf/test-trigger.jsonnet
new file mode 100644
index 0000000..35024b5
--- /dev/null
+++ b/tests/test-conf/test-trigger.jsonnet
@@ -0,0 +1,22 @@
+{
+  patterns: {
+    num: { regex: '[0-9]+' },
+  },
+  streams: {
+    s1: {
+      cmd: ['sh', '-c', 'sleep 1'],
+      filters: {
+        f1: {
+          regex: ['here is <num>'],
+          retry: 2,
+          retryperiod: '2s',
+          actions: {
+            log: {
+              cmd: ['sh', '-c', 'echo <num> >>./log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/tests/test-conf/test-virtual.jsonnet b/tests/test-conf/test-virtual.jsonnet
new file mode 100644
index 0000000..b828b1b
--- /dev/null
+++ b/tests/test-conf/test-virtual.jsonnet
@@ -0,0 +1,61 @@
+{
+  patterns: {
+    num: {
+      regex: @"[0-9]+",
+    },
+    all: {
+      regex: @".*",
+    },
+  },
+
+  plugins: {
+    virtual: {
+      path: './target/debug/reaction-plugin-virtual',
+      check_root: false,
+      systemd_options: {
+      },
+    },
+  },
+
+  streams: {
+    s0: {
+      cmd: ['bash', '-c', 'for i in $(seq 4); do echo $i; sleep 0.1; done; sleep 1.2'],
+      filters: {
+        f0: {
+          regex: ['^<num>$'],
+          actions: {
+            a0: {
+              type: 'virtual',
+              options: {
+                send: 'a0 <num>',
+                to: 's1',
+              },
+            },
+            b0: {
+              type: 'virtual',
+              options: {
+                send: 'b0 <num>',
+                to: 's1',
+              },
+              after: '600ms',
+            },
+          },
+        },
+      },
+    },
+    s1: {
+      type: 'virtual',
+      options: {},
+      filters: {
+        f1: {
+          regex: ['^<all>$'],
+          actions: {
+            a1: {
+              cmd: ['sh', '-c', 'echo <all> >>./log'],
+            },
+          },
+        },
+      },
+    },
+  },
+}