Why does not the game server rise to win server 2003?

Question

Server equipment

A server with windows Server 2003 appeared for free, I wanted to raise a game server there (cs 1.6) on linux, but here it doesn’t want ...
When I start it, it starts, but is only available on the local network ... Firewall off ... What else can interfere?
The IP seems to be visible on the network: 195.138.74.149 and not private...

Answer 1

Open the port in the firewall on the ref and input connection, and of course on the router.