diff --git a/client/components/NetworkForm.vue b/client/components/NetworkForm.vue
index 93ff3a2f..00ad3326 100644
--- a/client/components/NetworkForm.vue
+++ b/client/components/NetworkForm.vue
@@ -400,6 +400,9 @@ the server tab on new connection"
 			</template>
 
 			<div>
+				<div v-if="disabledReason && disabled" class="disabled-reason">
+					{{ disabledReason }}
+				</div>
 				<button type="submit" class="btn" :disabled="disabled ? true : false">
 					<template v-if="defaults.uuid">Save network</template>
 					<template v-else>Connect</template>
@@ -409,7 +412,7 @@ the server tab on new connection"
 	</div>
 </template>
 
-<style>
+<style scoped>
 #connect .connect-auth {
 	display: block;
 	margin-bottom: 10px;
@@ -435,6 +438,11 @@ the server tab on new connection"
 	margin: 0;
 	user-select: text;
 }
+
+.disabled-reason {
+	margin-top: 10px;
+	font-size: 12px;
+}
 </style>
 
 <script lang="ts">
@@ -464,6 +472,7 @@ export default defineComponent({
 			required: true,
 		},
 		disabled: Boolean,
+		disabledReason: String,
 	},
 	setup(props) {
 		const store = useStore();
diff --git a/client/components/Windows/Connect.vue b/client/components/Windows/Connect.vue
index 66d2f6e4..a59bc997 100644
--- a/client/components/Windows/Connect.vue
+++ b/client/components/Windows/Connect.vue
@@ -1,9 +1,14 @@
 <template>
-	<NetworkForm :handle-submit="handleSubmit" :defaults="defaults" :disabled="disabled" />
+	<NetworkForm
+		:disabled-reason="disabledReason"
+		:handle-submit="handleSubmit"
+		:defaults="defaults"
+		:disabled="disabled"
+	/>
 </template>
 
 <script lang="ts">
-import {defineComponent, ref} from "vue";
+import {defineComponent, onMounted, ref} from "vue";
 
 import socket from "../../js/socket";
 import {useStore} from "../../js/store";
@@ -21,12 +26,28 @@ export default defineComponent({
 		const store = useStore();
 
 		const disabled = ref(false);
+		const disabledReason = ref("");
 
 		const handleSubmit = (data: Record<string, any>) => {
 			disabled.value = true;
 			socket.emit("network:new", data);
 		};
 
+		onMounted(() => {
+			if (
+				store.state.serverConfiguration?.lockNetwork &&
+				store.state.serverConfiguration?.allowMultipleSameHostConnections
+			) {
+				if (store.state.networks.length > 0) {
+					disabled.value = true;
+					disabledReason.value = "You have already connected and cannot connect again.";
+				} else {
+					disabled.value = false;
+					disabledReason.value = "";
+				}
+			}
+		});
+
 		const parseOverrideParams = (params?: Record<string, string>) => {
 			if (!params) {
 				return {};
diff --git a/defaults/config.js b/defaults/config.js
index a943ca0f..4adb6f24 100644
--- a/defaults/config.js
+++ b/defaults/config.js
@@ -285,6 +285,15 @@ module.exports = {
 	// This value is set to `false` by default.
 	lockNetwork: false,
 
+	// ### `sameHostLockedNetworkConnections`
+	//
+	// When set to `true`, users will be able to connect to the configured
+	// network multiple times. This can be useful if you connect to
+	// a bouncer like ZNC. Requires `lockNetwork` to be set to `true`.
+	//
+	// This value is set to `false` by default.
+	allowMultipleSameHostConnections: false,
+
 	// ## User management
 
 	// ### `messageStorage`
diff --git a/server/config.ts b/server/config.ts
index bad5f522..e02c0d94 100644
--- a/server/config.ts
+++ b/server/config.ts
@@ -102,6 +102,7 @@ export type ConfigType = {
 	leaveMessage: string;
 	defaults: Defaults;
 	lockNetwork: boolean;
+	allowMultipleSameHostConnections: boolean;
 	messageStorage: string[];
 	storagePolicy: StoragePolicy;
 	useHexIp: boolean;
diff --git a/server/server.ts b/server/server.ts
index 38987218..147cbd9f 100644
--- a/server/server.ts
+++ b/server/server.ts
@@ -47,7 +47,12 @@ type IndexTemplateConfiguration = ServerConfiguration & {
 
 export type ClientConfiguration = Pick<
 	ConfigType,
-	"public" | "lockNetwork" | "useHexIp" | "prefetch" | "defaults"
+	| "public"
+	| "lockNetwork"
+	| "useHexIp"
+	| "prefetch"
+	| "defaults"
+	| "allowMultipleSameHostConnections"
 > & {
 	fileUpload: boolean;
 	ldapEnabled: boolean;
@@ -479,6 +484,12 @@ function initializeClient(
 	});
 
 	socket.on("network:new", (data) => {
+		if (Config.values.lockNetwork && Config.values.allowMultipleSameHostConnections) {
+			if (client.networks.length > 0) {
+				return;
+			}
+		}
+
 		if (_.isPlainObject(data)) {
 			// prevent people from overriding webirc settings
 			data.uuid = null;
@@ -863,6 +874,8 @@ function getClientConfiguration(): ClientConfiguration {
 		"lockNetwork",
 		"useHexIp",
 		"prefetch",
+		"allowMultipleSameHostConnections",
+		// TODO: remove this type cast
 	]) as ClientConfiguration;
 
 	config.fileUpload = Config.values.fileUpload.enable;