Bad Request - Invalid Hostname HTTP Error 400. The request hostname is invalid. when i am using ngrok

Question

When I am using ngrok & run url given by ngrok with following configuration:

• my local url is : localhost:8080/someexample
• my ngrok url is : http://f07d0862.ngrok.io/

it show this error:

Bad Request - Invalid Hostname  HTTP Error 400.  

Answer 1

Your web server is rejecting the request since it has different hostname.

Try ngrok http -host-header="localhost:8080"