With NSA Security-Enhanced Linux now integrated into the 2.6 kernel and making its way into distributions, an increasing number of people likely will be installing SELinux and experimenting with it.

In this article, we take a look at how SELinux can help increase the security of networked systems, as well as the design and implementation of its network-specific security controls. We then walk ...

These days, security is one of those things everyone talks about and in this arena, many actually do something about it. Using mandatory-access-control (MAC) systems like SELinux and AppArmor can ...

Many of us got used to the simple owner, group, and other model of Unix security so long ago that we were somewhat taken back when the setfacl and getfacl commands were introduced and added complexity ...