mandatory access control HowTo - Linux / Unix Q & A from nixCraft

What Is SELinux?

in SELinux last updated December 6, 2012

What is SELinux? Why should I use SELInux on my CentOS or Red Hat Enterprise Linux server running on IBM hardware?

CentOS / Redhat: Turn On SELinux Protection

in CentOS, Linux, Networking, RedHat and Friends, Security, SELinux last updated March 31, 2017

SELinux enforces the idea that programs should be limited in what files they can access and what actions they can take. However, by default it is turned off under RHEL / CentOS 5.x server? How do I turn it on?