Chrooting Apache2 With mod_chroot On CentOS 5.4
This guide explains how to set up mod_chroot with Apache2 on a CentOS 5.4 system. With mod_chroot, you can run Apache2 in a secure chroot environment and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache2 or your installed web applications.
Read more: http://howtoforge.com/chrooting-apache2-with-mod_chroot-on-centos-5.4