Overview(1/8)

http://selinuxproject.org/page/Main_Page
Security enhancement to the GNU/Linux OS
Mandatory Access Control(MAC) framework
Shipped by Fedora, RHEL{4,5,6}, Debian, ...
Provides the mechanism for supporting access control security policies, including US DoD mandatory access controls, through the use of LSM in the Linux kernel
(http://en.wikipedia.org/wiki/SELinux)
Included in mainline Linux, as of 2.6