[ Thanks to Jan
Stafford for this link. ]
“One of the most exciting new features in RHEL v.4 is the
implementation of Security-Enhanced Linux (SELinux). In this tip,
we’ll look at how you can use it to beef up system security.“SELinux is an open source project sponsored by the National
Security Agency, to help implement mandatory access control. It is
a subsystem which provides a much more secure framework to Linux,
then can be achieved from the operating systems level. It
implements mandatory access controls that give you finer
granularity in terms of security measures and is made up of both
kernel and user-space components…”