An updated version of the Troubleshooting Windows Firewall in Microsoft Windows XP Service Pack 2 white paper(http://www.microsoft.com/downloads/details.aspx?familyid=a7628646-131d-4617-bf68-f0532d8db131&displaylang=en) has been published, which includes some minor corrections based on internal Microsoft technical review feedback and a new table that describes all of the fields in the Pfirewall.log file.