If you're behind a linksys router none of that will help.
You need to set your PC to be in the DMZ while playing or configure your PC for a static lan IP and forward ports 47624 TCP, 2300-2400 TCP & UDP to your PC. In either case make sure to set the router to allow pings from the WAN. (and disable UPnP)
Port forwarding is the more secure solution.
http://www.dynaverse.net/forum/index.php/topic,163362630.msg1122700648.html#msg1122700648http://support.microsoft.com/kb/240429You also need to make sure that the Windows XP firewall is disabled while playing on the Dynaverse, as well as any other software firewalls that might be installed.
If you are running McAfee you need to disable/uninstall the privacy service thing as it interferes for some unknown reason.
The linksys configuration page can usually be found by entering
http://192.168.1.1 in the address bar of your browser. Usually the initial username is admin with no password. (local access only).
If you have not read the manual for your router yet, then do so. (not the quickstart guide, but the full user's guide)
Also, you might find this site useful:
http://www.portforward.comIf all that is too much to absorb, you can always just connect directly and bypass the router when playing on the dynaverse.
If you are wondering why you do not need to do this for other games, it is because the Dynaverse is somewhat unique in that not only must you be able to see the server unobstructed but also all other players who login, which cannot possibly be known in advance. Once a multiplayer mission in underway, the server has nothing to do with it, you are connecting directly to other players, without the server acting as an intermediate, unlike other games like Quake or BF1942 or the like, where the server is always the go-between.