www.netfilter.org - Homepage of the netfilter/iptables project Netfilter related FAQ Netfilter related HOWTO's www.linuxdoc.org/LDP/nag2/x-087-2-firewall.html www.linuxdoc.org/HOWTO/Security-HOWTO.html www.linuxdoc.org/HOWTO/Firewall-HOWTO.html www.ibm.com/developerworks/security/library/s-fire.html www.ibm.com/developerworks/security/library/s-fire2.html www.interhack.net/pubs/fw-faq/ www.linuxsecurity.com/docs/ www.little-idiot.de/firewall (German & outdated, but very comprehensive) www.linuxgazette.com/issue65/stumpel.html linux.oreillynet.com/pub/a/linux/2000/03/10/netadmin/ddos.html staff.washington.edu/dittrich/misc/ddos ipmasq.cjb.net/ www.e-infomax.com/ipmasq www.circlemud.org/~jelson/writings/security/index.htm www.securityfocus.com www.cert.org - tech_tips security.ittoolbox.com www.linux-firewall-tools.com/linux/ logi.cc/linux/athome-firewall.php3 www.insecure.org/reading.html www.robertgraham.com/pubs/firewall-seen.html