The NSA originally developed Security-Enhanced Linux (SELinux) as a set of Linux kernel patches that used Linux Security Modules to implement mandatory access controls within the Linux kernel. Through ...

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 ...

Modern Linux distributions ship with a plethora of security features and tools, and one of the most important features added to the kernel has been the inclusion of SELinux. SELinux solves one the ...

Configuring high-end SELinux (Security-enhanced Linux) policies can be a daunting challenge to system administrators, especially those who are new to the concepts and processes. But there are a number ...

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 ...

A security framework originally published by the US National Security Agency has begun to rack up an impressive list of protections agains security holes. Linux security experts are reporting a ...

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 ...