P
PA Bear [MS MVP]
All of these apply to WinXP SP3, as well:
Changes to Functionality in Microsoft Windows XP Service Pack 2: Network
Protection
http://technet.microsoft.com/en-us/bb457156.aspx
Troubleshooting Windows Firewall settings in Windows XP Service Pack 2
http://support.microsoft.com/kb/875357
Changes to Functionality in Microsoft Windows XP Service Pack 2: Network
Protection
http://technet.microsoft.com/en-us/bb457156.aspx
Troubleshooting Windows Firewall settings in Windows XP Service Pack 2
http://support.microsoft.com/kb/875357