angular
diff --git a/‎packages/angular_devkit/build_angular/src/dev-server/index.ts
+1 b/‎packages/angular_devkit/build_angular/src/dev-server/index.ts
+1
@@ -226,6 +226,7 @@ export function serveWebpackBrowser(
     }
 
     if (
+      !options.disableHostCheck &&
       options.host &&
       !/^127\.\d+\.\d+\.\d+/g.test(options.host) &&
       options.host !== 'localhost'
Original file line number	Diff line number	Diff line change
`@@ -226,6 +226,7 @@ export function serveWebpackBrowser(`
`226`	`226`	`}`
`227`	`227`
`228`	`228`	`if (`
	`229`	`+ !options.disableHostCheck &&`
`229`	`230`	`options.host &&`
`230`	`231`	`!/^127\.\d+\.\d+\.\d+/g.test(options.host) &&`
`231`	`232`	`options.host !== 'localhost'`