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

ngrok
Sunny picture Sunny · Jun 3, 2015 · Viewed 26.8k times · Source

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

Bharat picture Bharat · Dec 9, 2015

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

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

Related questions

How to generate fixed url with ngrok

I am working on facebook messenger. Facebook app only accept one url for webhook but ngrock is generating new URL every time. Now I am unable to test my app because of webhook URL changed.

Read More
Invalid Host Header when ngrok tries to connect to React dev server

I'm trying to test my React application on a mobile device. I'm using ngrok to make my local server available to other devices and have gotten this working with a variety of other applications. However, when I try to connect …

Read More
ngrok command not found

I'm trying to install ngrok (which I've been using for a while on Windows with no issues) on my 1 week old yosemite and these are the steps I've followed so far. Downloaded ngrok from here https://ngrok.com/download. Unziped …

Read More