socket_bind(): unable to bind address [99] (Ubuntu on Amazon EC2)

Question

I\'m trying to use Sockets on an EC2 Instance, but when I try to run the code I get the following error:

PHP Warning: socket_bind(): unable to bind a

Answer 1

You cannot bind to the external IP, you have to bind to the internal IP, and setup a rule to allow that port so when they connect to the external IP and port, it gets redirected to the internal IP.