Linux Advanced Routing and Traffic Control HOWTO
Gregory Maxwell & Remco Mook & Martijn Oosterhout & Paul Schroeder & Jasper Spaans & Bert Hubert
Cloud Attack Vectors
Morey J. Haber & Brian Chappell & Christopher Hills
Bash Guide for Beginners: Everything You Need to Know about ...
Enriqueta Paneczko
Iptables Tutorial 1.2.2
Oskar Andreasson