To continue my series on Practical Linux Topics, I’ll now jump into SELinux. SELinux in itself is a topic deserving of its own class. As I’ve been studying it I’ve pulled many resources for info. The chapter in Practical Linux Topics best serves as an introductory rather than a complete overview of the topic.

Straight from the man page, “SELinux is a security enhancement to Linux which allows users and administrators more control over access control (What is SELinux, 2017).” It does this by using targeted policies to enforce access controls. Particular to SELinux is also the segregating of applications to ensure they are only accessing what they need and not crawling around the filesystem. Read more