feat(core): Start listening to IPv6 addresses as well by default (#15810)

packages/@n8n/config/src/configs/scaling-mode.config.ts

@@ -16,7 +16,7 @@ class HealthConfig {
 
 	/** IP address for worker server to listen on. */
 	@Env('N8N_WORKER_SERVER_ADDRESS')
-	address: string = '0.0.0.0';
+	address: string = '::';
 }
 
 @Config

packages/@n8n/config/src/index.ts

@@ -96,7 +96,7 @@ export class GlobalConfig {
 
 	/** IP address n8n should listen on */
 	@Env('N8N_LISTEN_ADDRESS')
-	listen_address: string = '0.0.0.0';
+	listen_address: string = '::';
 
 	/** HTTP Protocol via which n8n can be reached */
 	@Env('N8N_PROTOCOL', protocolSchema)

packages/@n8n/config/test/config.test.ts

@@ -25,7 +25,7 @@ describe('GlobalConfig', () => {
 		path: '/',
 		host: 'localhost',
 		port: 5678,
-		listen_address: '0.0.0.0',
+		listen_address: '::',
 		protocol: 'http',
 		auth: {
 			cookie: {
@@ -196,7 +196,7 @@ describe('GlobalConfig', () => {
 			health: {
 				active: false,
 				port: 5678,
-				address: '0.0.0.0',
+				address: '::',
 			},
 			bull: {
 				redis: {

packages/cli/src/scaling/__tests__/worker-server.test.ts

@@ -48,7 +48,7 @@ describe('WorkerServer', () => {
 	beforeEach(() => {
 		globalConfig = mock<GlobalConfig>({
 			queue: {
-				health: { active: true, port: 5678, address: '0.0.0.0' },
+				health: { active: true, port: 5678, address: '::' },
 			},
 			credentials: {
 				overwrite: { endpoint: '' },

packages/cli/src/services/__tests__/user.service.test.ts

@@ -13,7 +13,7 @@ describe('UserService', () => {
 		host: 'localhost',
 		path: '/',
 		port: 5678,
-		listen_address: '0.0.0.0',
+		listen_address: '::',
 		protocol: 'http',
 	});
 	const urlService = new UrlService(globalConfig);