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Answer by Andre Ponce for I am getting an "Invalid Host header" message when...

In the terminal of Visual Studio Code, you can do this:ng serve --disable-host-checkAnd if you want to raise a temporary server on the port 4200 with SSH you can do this:ssh -R 80:localhost:4200...

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Answer by Mohammad Babaei for I am getting an "Invalid Host header" message...

For webpack-dev-server 4.7 you can use --allowed-hosts allnpx webpack serve --open --allowed-hosts all

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Answer by Anand Raja for I am getting an "Invalid Host header" message when...

This may happen under two situations:When you run your webpack-dev-server in cloud-9 or any other online IDE other than localhost.When you want to run the dev mode on mobile or quickly share the web...

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Answer by Romeo Kienzler for I am getting an "Invalid Host header" message...

I tried the suggestions above but the following solution didn't work for me:devServer: { allowedHosts: 'auto' | 'all' | Array[string]}The following solution works for me:devServer: { disableHostCheck:...

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Answer by DEV Tiago França for I am getting an "Invalid Host header" message...

on package.json, on "scripts", add the param --disableHostCheck=trueLike:"scripts": {"start": "ng serve --host=0.0.0.0 --configuration=dev --disableHostCheck=true"}

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Answer by Astor99 for I am getting an "Invalid Host header" message when...

note for vue-cli users:put a file vue.config.js in the root, with the same lines:module.exports = { configureWebpack: { devServer: { public: '0.0.0.0:8080', host: '0.0.0.0', disableHostCheck: true, } }};

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Answer by Cameron Tacklind for I am getting an "Invalid Host header" message...

When an HTTP request is made, by default, browsers/clients include the "Host" (from the URL) as part of the headers of the raw HTTP request. As part of an extra security/sanity check that is now...

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Answer by Devin Clark for I am getting an "Invalid Host header" message when...

Anyone coming here in 2021 on webpack-dev-server v4+,allowedHosts and disableHostsCheck were removed in favor of allowedHosts: 'all'To get rid of the error, change your devServer to this:devServer: {...

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I am getting an "Invalid Host header" message when connecting to...

I am using as an environment, a Cloud9.io ubuntu VM Online IDE and I have reduced by troubleshooting this error to just running the app with Webpack dev server. I launch it with:webpack-dev-server -d...

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Answer by Artur Vieira for I am getting an "Invalid Host header" message when...

I found out, that I need to set the public property of devServer, to my request's host value. Being that it will be displayed at that external address.So I needed this in my webpack.config.jsdevServer:...

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Answer by 刘芳友 for I am getting an "Invalid Host header" message when...

The problem occurs because webpack-dev-server 2.4.4 adds a host check. You can disable it by adding this to your webpack config: devServer: { compress: true, disableHostCheck: true, // That solved it }...

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Answer by rex for I am getting an "Invalid Host header" message when...

If you are using create-react-app on C9 just run this command to start npm run start --public $C9_HOSTNAMEAnd access the app from whatever your hostname is (eg type $C_HOSTNAME in the terminal to get...

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Answer by Sampath for I am getting an "Invalid Host header" message when...

Add this config to your webpack config file when using webpack-dev-server (you can still specify the host as 0.0.0.0).devServer: { disableHostCheck: true, host: '0.0.0.0', port: 3000}

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Answer by irl_irl for I am getting an "Invalid Host header" message when...

This is what worked for me:Add allowedHosts under devServer in your webpack.config.js:devServer: { compress: true, inline: true, port: '8080', allowedHosts: ['.amazonaws.com' ]},I did not need to use...

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Answer by AV Paul for I am getting an "Invalid Host header" message when...

The more secure option would be to add allowedHosts to your Webpack config like this: module.exports = {devServer: { allowedHosts: ['host.com','subdomain.host.com','subdomain2.host.com','host2.com' ]...

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Answer by Lukas Kalbertodt for I am getting an "Invalid Host header" message...

If you have not ejected from CRA yet, you can't easily modify your webpack config. The config file is hidden in node_modules/react_scripts/config/webpackDevServer.config.js. You are discouraged to...

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Answer by Kyle Ordona for I am getting an "Invalid Host header" message when...

Rather than editing the webpack config file, the easier way to disable the host check is by adding a .env file to your root folder and putting this:DANGEROUSLY_DISABLE_HOST_CHECK=trueAs the variable...

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Answer by ParkerD for I am getting an "Invalid Host header" message when...

If you are running webpack-dev-server in a container and are sending requests to it via its container name, you will get this error. To allow requests from other containers on the same network, simply...

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