Switching the SSH listening port is an easy way to help secure remote login on your Linux servers. But when SELinux is involved, you have to take a few extra steps. Jack Wallen shows you how. UK ...

SELinux, or Security-Enhanced Linux, represents a paradigm shift in Linux security by enforcing mandatory access controls (MAC) based on security policies. Unlike traditional discretionary access ...

In my last column, we began exploring the concepts, terms and theory behind Security-Enhanced Linux (SELinux). This month, we conclude our overview, ending with a description of the SELinux ...

The profound growth in Internet-connected devices has heightened the need for secure systems, beyond the traditional bounds of enterprise IT gateways and servers. Embedded devices from wearables to ...

Jack Wallen introduces you to three semanage commands that will help make dealing with SELinux considerably easier. I get it–SELinux is challenging, and when your applications or services are ...

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 ...