no connection to the gamematch server

Hi all!

I have a big problem with my cfs 3 multiplayer mode. I can't logon to the gamematch server. There is always the message appearing: "Network error. Close the multiplyer menu an try again".

The machine is running behind a T-com W700V Router in a DMZ. But i also tried without DMZ and forwarding all Ports 2300 UDP and 28883 to 28886 UDP to this machine. When i scan the ports from external so everything seems to be allright. But i can't connect to the gamematch server.

I don't use a personal firewal and the Windows XP SP2 firewall is disabled. When enabling the xp firewall there is the normal message popping up that a application (cfs3.exe) is trying to connect to the internet. I allow the connection but it also doesn't work. I also tryed to open every single port 2300,28883,28884,.... in the xp firewall but that also didn't help. So i disabled it completely.

Steam and GTR 2 are working fine with forwarding and with DMZ too. So forwarding must be ok.

I also uninstalled the game two times and did a clean re-install with default values.

I hope someone can help me!

Thanks a lot!

Kai-Uwe (Germany)