how to get ip behind NAT using php?

Question

Is it possible to retrieve IP behind NAT in PHP? I am using $_SERVER[\"REMOTE_ADDR\"] for getting IP address of the client. It\'s not giving exact IP address of

Answer 1

You cannot see the private address of client and usually you don't care to see it beacuse you can't access that. Even if it used a proxy, sometimes you may get address by:

 $_SERVER['HTTP_X_FORWARDED_FOR']