This article looks at the different ways you can customize Windows Firewall when deploying Service Pack 2 for Windows XP. The methods covered include manually configuring Windows Firewall, customizing the Unattend.txt answer file used by unattended setup, customizing the Netfw.inf file that defines the default configuration of Windows Firewall, configuring Windows Firewall using the new firewall context of the netsh command in XP SP2, and configuring Windows Firewall using new Group Policy settings in Windows XP SP2.