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2026-01-06 19:06:05 +01:00
.github chore: update pebble to v2.9.0 (#2763) 2025-12-19 02:27:38 +01:00
acme feat: improve ACME error types (#2761) 2025-12-18 14:29:52 +01:00
certcrypto chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
certificate chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
challenge chore: move provider "manual" into a dedicated package (#2739) 2025-12-01 20:51:43 +01:00
cmd Add DNS provider for 35.com/三五互联 (#2779) 2026-01-06 19:06:05 +01:00
docs Add DNS provider for 35.com/三五互联 (#2779) 2026-01-06 19:06:05 +01:00
e2e chore: update pebble to v2.9.0 (#2763) 2025-12-19 02:27:38 +01:00
internal chore: move provider "manual" into a dedicated package (#2739) 2025-12-01 20:51:43 +01:00
lego tests: change the signature of the method BuildHTTPS (#2611) 2025-08-04 10:21:14 +00:00
log chore: update to go1.24 (#2566) 2025-07-08 17:23:52 +02:00
platform chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
providers Add DNS provider for 35.com/三五互联 (#2779) 2026-01-06 19:06:05 +01:00
registration chore: update linter (#2699) 2025-10-30 13:02:35 +01:00
.dockerignore Automatic generation of documentation (#818) 2019-03-08 19:47:06 +01:00
.gitattributes chore: remove existing files before generating new files (#2676) 2025-10-18 16:46:55 +02:00
.gitcookies.enc Add workaround for go.googlesource.com rate limit 2016-03-22 01:46:32 +01:00
.gitignore Refactor the core of the lib (#700) 2018-12-06 22:50:17 +01:00
.golangci.yml chore: update workflows (#2741) 2025-12-05 16:45:51 +01:00
.goreleaser.yml chore: add major version tag for Docker images (#2709) 2025-11-08 13:38:05 +01:00
buildx.Dockerfile chore: update release workflow (#2657) 2025-09-29 18:06:38 +02:00
CHANGELOG.md Prepare release v4.30.1 2025-12-16 21:35:22 +01:00
CONTRIBUTING.md docs: improve contributing guide 2025-12-15 23:34:25 +01:00
Dockerfile chore: use buildx for cross-platform image builds 2023-02-26 14:27:16 +01:00
go.mod Prepare release v4.30.1 2025-12-16 21:35:22 +01:00
go.sum fix: downgrade aliyun credentials to v1.4.7 (#2756) 2025-12-16 19:33:30 +01:00
LICENSE chore: update license date 2024-10-10 22:11:07 +02:00
Makefile chore: update documentation theme (#2632) 2025-08-28 23:44:26 +02:00
README.md Add DNS provider for 35.com/三五互联 (#2779) 2026-01-06 19:06:05 +01:00

lego logo

Automatic Certificates and HTTPS for everyone.

Lego

Let's Encrypt client and ACME library written in Go.

Go Reference Build Status Docker Pulls

lego is an independent, free, and open-source project, if you value it, consider supporting it! ❤️

Everybody thinks that the others will donate, but in the end, nobody does.

So if you think that lego is worth it, please consider donating.

Features

  • ACME v2 RFC 8555
  • Comes with about 180 DNS providers
  • Register with CA
  • Obtain certificates, both from scratch or with an existing CSR
  • Renew certificates
  • Revoke certificates
  • Robust implementation of ACME challenges:
    • HTTP (http-01)
    • DNS (dns-01)
    • TLS (tls-alpn-01)
  • SAN certificate support
  • CNAME support by default
  • Custom challenge solvers
  • Certificate bundling
  • OCSP helper function

Installation

How to install.

Usage

Documentation

Documentation is hosted live at https://go-acme.github.io/lego/.

DNS providers

Detailed documentation is available here.

If your DNS provider is not supported, please open an issue.

35.com/三五互联 Active24 Akamai EdgeDNS Alibaba Cloud DNS
AlibabaCloud ESA all-inkl Alwaysdata Amazon Lightsail
Amazon Route 53 Anexia CloudDNS ArvanCloud Aurora DNS
Autodns Axelname Azion Azure (deprecated)
Azure DNS Baidu Cloud Beget.com Binary Lane
Bindman Bluecat BookMyName Brandit (deprecated)
Bunny Checkdomain Civo Cloud.ru
CloudDNS Cloudflare ClouDNS CloudXNS (Deprecated)
ConoHa v2 ConoHa v3 Constellix Core-Networks
CPanel/WHM Derak Cloud deSEC.io Designate DNSaaS for Openstack
Digital Ocean DirectAdmin DNS Made Easy dnsHome.de
DNSimple DNSPod (deprecated) Domain Offensive (do.de) Domeneshop
DreamHost Duck DNS Dyn DynDnsFree.de
Dynu EasyDNS EdgeCenter Efficient IP
Epik Exoscale External program F5 XC
freemyip.com G-Core Gandi Gandi Live DNS (v5)
Gigahost.no Glesys Go Daddy Google Cloud
Google Domains Gravity Hetzner Hosting.de
Hosting.nl Hostinger Hosttech HTTP request
http.net Huawei Cloud Hurricane Electric DNS HyperOne
IBM Cloud (SoftLayer) IIJ DNS Platform Service Infoblox Infomaniak
Internet Initiative Japan Internet.bs INWX Ionos
Ionos Cloud IPv64 ISPConfig 3 ISPConfig 3 - Dynamic DNS (DDNS) Module
iwantmyname (Deprecated) Joker Joohoi's ACME-DNS KeyHelp
Liara Lima-City Linode (v4) Liquid Web
Loopia LuaDNS Mail-in-a-Box ManageEngine CloudDNS
Manual Metaname Metaregistrar mijn.host
Mittwald myaddr.{tools,dev,io} MyDNS.jp MythicBeasts
Name.com Namecheap Namesilo NearlyFreeSpeech.NET
Neodigit Netcup Netlify Nicmanager
NIFCloud Njalla Nodion NS1
Octenium Open Telekom Cloud Oracle Cloud OVH
plesk.com Porkbun PowerDNS Rackspace
Rain Yun/雨云 RcodeZero reg.ru Regfish
RFC2136 RimuHosting RU CENTER Sakura Cloud
Scaleway Selectel Selectel v2 SelfHost.(de|eu)
Servercow Shellrent Simply.com Sonic
Spaceship Stackpath Syse Technitium
Tencent Cloud DNS Tencent EdgeOne Timeweb Cloud TransIP
UKFast SafeDNS Ultradns United-Domains Variomedia
VegaDNS Vercel Versio.[nl|eu|uk] VinylDNS
Virtualname VK Cloud Volcano Engine/火山引擎 Vscale
Vultr webnames.ca webnames.ru Websupport
WEDOS West.cn/西部数码 Yandex 360 Yandex Cloud
Yandex PDD Zone.ee ZoneEdit Zonomi

If your DNS provider is not supported, please open an issue.