How to get the real client ip for a request when tunneling with ngrok

Question

How can I make sure that the client IP address is forwarded by ngrok?

My test code keeps insisting that all the requests are coming from 127.0.0.1 because of ngrok b

Answer 1

Unfortunately, all header names in Node.JS are lowercase. Use

req.headers['x-forwarded-for']

instead of

req.headers['X-Forwarded-For']