18.7. Additional Resources

Refer to the following sources for additional information on packet filtering with iptables.
  • Security Guide; Red Hat, Inc — Contains a chapter about the role of firewalls within an overall security strategy as well as strategies for constructing firewall rules.
  • System Administrators Guide; Red Hat, Inc — Contains a chapter about configuring firewalls using Security Level Configuration Tool.

18.7.1. Installed Documentation

  • man iptables — Contains a description of iptables as well as a comprehensive list of targets, options, and match extensions.