Close Combat: Modern Tactics has been released

[Easymeat]

Combat Mission requires that TCP port 7023 be open for all outgoing and incoming transmissions.

CCMT uses the following ports in addition to DirectPlay ports: 47624 TCP; 2300-2400 TCP and UDP.

You can use port forwarding or port triggering on your router to open the ports.

You could also try Hamachi.

If you want to try trouble shooting your tcp problem just send an email.