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2.8.9.7. Additional Resources
There are several aspects to firewalls and the Linux Netfilter subsystem that could not be covered in this chapter. For more information, see the following resources.
2.8.9.7.1. Useful Firewall Websites
- http://www.netfilter.org/ — The home of the netfilter/iptables project. Contains assorted information about
iptables, including a FAQ addressing specific problems and various helpful guides by Rusty Russell, the Linux IP firewall maintainer. The HOWTO documents on the site cover subjects such as basic networking concepts, kernel packet filtering, and NAT configurations. - http://www.tldp.org/ — The Linux Documentation Project contains several useful guides relating to firewall creation and administration.
- http://www.iana.org/assignments/port-numbers — The official list of registered and common service ports as assigned by the Internet Assigned Numbers Authority.
