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7.8. Additional Resources

There are several aspects to firewalls and the Linux Netfilter subsystem that could not be covered in this chapter. For more information, refer to the following resources.

7.8.1. Installed Documentation

  • The Red Hat Enterprise Linux Reference Guide has a comprehensive chapter on iptables, including definitions for all command options.

  • The iptables man page contains a brief summary of the various options, as well.

  • A list of common services and their port numbers can be found in Appendix C Common Ports and in /etc/services.

7.8.2. Useful Websites

7.8.3. Related Documentation

  • Red Hat Linux Firewalls, by Bill McCarty; Red Hat Press — a comprehensive reference to building network and server firewalls using open source packet filtering technology such as Netfilter and iptables. It includes such topics as analyzing firewall logs, developing firewall rules, and customizing your firewall with graphical tools such as lokkit.

  • Linux Firewalls, by Robert Ziegler; New Riders Press — contains a wealth of information on building firewalls using both 2.2 kernel ipchains as well as Netfilter and iptables. Additional security topics such as remote access issues and intrusion detection systems are also covered.

 
 
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