Red Hat Enterprise Linux 3: System Administration Guide
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# 21.6. Additional Resources

For more information, refer to the following resources.

## 21.6.1. Installed Documentation

- The man pages for `ntsysv`, `chkconfig`, `xinetd`, and `xinetd.conf`.

- `man 5 hosts_access` — The man page for the format of host access control files (in section 5 of the man pages).

## 21.6.2. Useful Websites

- http://www.xinetd.org — The `xinetd` webpage. It contains a more detailed list of features and sample configuration files.

## 21.6.3. Related Books

- Red Hat Enterprise Linux Reference Guide, Red Hat, Inc. — This companion manual contains detailed information about how TCP wrappers and `xinetd` allow or deny access as well as how to configure network access using them. It also provides instructions for creating `iptables` firewall rules.

- Red Hat Enterprise Linux Security Guide Red Hat, Inc. — This manual discusses securing services with TCP wrappers and `xinetd` such as logging denied connection attempts.

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