James - not sure if you have your answer yet, but here's where you find the settings for the internal firewall on XP:
Right click "My Network Places" icon, select properties
You should see on this screen a "Local Area Conection" item listed. Right click on that line, select properties
(You may see multiple newtorks here, like if you have multiple nic cards as with a docking station or even dialup etc that may need to be disabled)
On this next window, there are three tabs, select advanced.
Here you should see "Internet Connection Firewall" listed, and a check box that says something like "Protect my computer..." If checked, un-check this box. This will disable the XP onboard firewall functionality.
When doing so, please make sure you have this system behind some type of firewall protection like a Linksys, etc. so you are properly protected.
Hope this helps...
Bruce
