The lan server in game wont work. They allways say 0.0.0.0:90348 or something like that but the 0.0.0.0 is the thing that bugs it all up!

The lan server in game wont work. They allways say 0.0.0.0:90348 or something like that but the 0.0.0.0 is the thing that bugs it all up! I repeatedly try new things loke the ipv4 address and my ip address but it wont work! HELP!