10. Additional resources

• http://www.netfilter.orgNetfilter/iptables for 2.4.x kernels.
• http://www.rustcorp.com/linux/ipchains Linux IP firewalling chains for 2.2.x kernels.
• http://ipmasq.cjb.net The Linux IP Masquerade Resource.
• http://www.xos.nl/linux/ Experts in Open Systems; specifically, Jos Vos, one of the firewall code authors.
• http://metalab.unc.edu/linux/HOWTO/HOWTO-INDEX-3.html The Linux HOWTO index, part of the:
• http://metalab.unc.edu/linux/ Linux Documentation Project.
• http://metalab.unc.edu/linux/HOWTO/mini/IP-Masquerade.html The IP Masquerade HOWTO. Useful information on ipfwadm and masquerading.
• http://www.ecst.csuchico.edu/~dranch/LINUX/index-linux.html David Ranch's excellent networking resource. Check out the "Trinity OS" document and the IP Masquerade Howto, co-authored with Ambrose Au. Both are comprehensive documents about Linux networking - well worth reading.