Can any one point me to some documentation that deals with stripping un-needed stuff from the BSD kernel and to get it more secure at the kernel level for use as a firewall. I've found lots of stuff ...

Upon examining several proprietary and open-source solutions, we found a major drawback to many of them was the requirement that our internal networks would need to be renumbered into a private ...

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...

In January 2000, Check Point Software introduced a Linux port of its flagship product, FireWall-1. FireWall-1 is one of the best-selling products in the commercial firewall market. It now runs on five ...

Nick Gregory, a Sophos threat researcher, found this hole recently while checking netfilter for possible security problems. Gregory explains in great detail his bug hunt, and I recommend it for those ...