CAUSE
ICF in Windows XP and Windows XP Service Pack 1 (SP1), and ICF and Basic Firewall in Windows Server 2003, filter IPv4 traffic only.
WORKAROUND
To work around this behavior, obtain firewall software that can filter and block IPv6 traffic.
http://support.microsoft.com/d…spx?scid=kb;EN-US;Q306203
PS: Migro$aft roxx :skull1