Linux security 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?

in CentOS, Iptables, RedHat and Friends last updated October 19, 2013

How do I disable firewall on CentOS or Red Hat Enterprise Linux server version 5.x/6.x running on my HP micro server?