I am new to ISA, but slowly learning. Here is my issue. I am trying to host a Star Wars Battlefront server. I have added every dang port I can think of, and strangley, Gamespy actually shows the server publicly (it does show the ping at 9999 though). You can connect right up to the point where it does the little countdown, and the connect fails. Ok, now some background: The server worked fine when I stuck it on my external router, so it's not a server issue. I've got the router forwarding all ports (1-65535) to my ISA external adapter. I have a rule allowing any outbound access, and the following inbound access (All have TCP Inbound and UDP Receive):