vex24 writes "According to SANS, OpenBSD 3.9 and 4.0 have fixed an issue to correct a problem in the IPv6 stack. http://isc.sans.org/diary.html?storyid=2445 Apparently a 'block in inet6' rule works as well as the patches."
"Plan to throw one away. You will anyway." - Fred Brooks, "The Mythical Man Month"