Going online with router wirewall

[schumy2001]

Try this first. Disable the firewall and see if it works. If not it hasn`t got anything to do with the firewall. And what do you mean with going online with gamespy? Does it run from your pc or xbox? And what you can do also is connect the xbox directly to the internet. If that doesn`t work it doesn`t have to do with your internet connection it must be something in the software