NOTE: CentOS Enterprise Linux is built from the Red Hat Enterprise Linux source code. Other than logo and name changes CentOS Enterprise Linux is compatible with the equivalent Red Hat version. This document applies equally to both Red Hat and CentOS Enterprise Linux.
Writing SELinux policy is not a trivial undertaking. The topic
cannot easily be covered in a few, simple how-to steps. If you are
interested in this topic, read Chapter 7 Compiling SELinux
Policy and Chapter 8
Customizing and Writing Policy. Those chapters contain
information on writing, testing, loading, and validating a
policy.