Useful Links

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover, and with no Back-Cover Texts. A copy of the license is included in the section entitled “GNU Free Documentation License”.


NIST Guide on Firewalls and Firewall Policy -
PPPPPPPS ( or, Paul's Principles for Practical Provision of Packet Processing with Shorewall )
Netfilter Site:
Linux Advanced Routing and Traffic Control Howto:
Clustering Shorewall:
Iproute Downloads:
LEAF Site:
Bering uClibc LEAF Distribution:
Iptables Tutorial:
Debian apt-get sources for Shorewall:
About the Shorewall Author:
Tom's 2005 LinuxFest NW Presentation:
Tom's 2006 LinuxFest NW Presentation:
Tom's 2007 LinuxFest NW Presentation:
Tom's 2008 LinuxFest NW Presentation:
Tom's 2009 LinuxFest NW Presentation:
Shorewall CIA tracker