I have set up an source on an Computer with router witch i port forwarded but the computers connected to the router can connect to the server with no problems. The problem comes when someone from exterior tries to connect, i also have an website on that computer , but it works from an external PC, the clients connects to the server but only to auth server, after authentication the connection is not sent to game server.ill attach some pictures below.
In router
Attemping connection
Error shown after
I mention that all configuration files are set correctly
The router is an ZTE ZXDSL 931CII