create-react-app之Invalid Host Header

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【create-react-app之Invalid Host Header】
1、When you enable the `proxy` option, you opt into a more strict set of host checks. This is necessary because leaving the backend open to remote hosts makes your computer vulnerable to DNS rebinding attacks.
【create-react-app之Invalid Host Header】you will see this error in the browser after enabling the `proxy` option:
> Invalid Host header   2、To work around it, you can specify your public development host in a file called `.env.development` in the root of your project: ``` HOST=mypublicdevhost.com ```
If you restart the development server now and load the app from the specified host, it should work.   3、If you are still having issues or if you’ re using a more exotic environment like a cloud editor, you can bypass the host check completely by adding a line to `.env.development.local`.DANGEROUSLY_DISABLE_HOST_CHECK=true  

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