Gateway Support - Windows XP Service Pack 2 Firewall

Windows XP Service Pack 2 Firewall

Internet Connection Firewall has been replaced by Windows Firewall in Windows XP Service Pack 2. The Windows Firewall is enabled by default for all network connections.

Windows Firewall interface
Why does my local network or shared printer not work after installing SP2?
How do I configure access to a port for certain computers in the Windows Firewall?
Why does my program not work on the Internet or network after installing SP2?
What do I choose when I am prompted to Keep Blocking, Unblock, or Ask Me Later?
Why does the ping command not work after Service Pack 2 is installed?
How do I disable the Windows Firewall for troubleshooting purposes?
How do I find the ports used by a program when connected to the Internet?

Microsoft Knowledge Base Articles

For information on troubleshooting Windows Firewall settings in Windows XP Service Pack 2, refer to Microsoft Knowledge Base article 875357.
For information if some programs seem to stop working after you install Windows XP Service Pack 2, refer to Microsoft Knowledge Base article 842242.
For a description of the Windows Firewall feature in Windows XP Service Pack 2, refer to Microsoft Knowledge Base article 843090.
For information on how to use the Security Alert dialog box in Windows XP Service Pack 2, refer to Microsoft Knowledge Base article 875353.
For a list of programs that may behave differently in Windows XP Service Pack 2, refer to Microsoft Knowledge Base article 884130 .