Day: May 28, 2008

This tutorial guide covers only basic linux server security tips intended for linux learners. I am writing this guide assuming that you are running Centos 5 or later versions.   Install Firewall (APF or CSF Firewall with BFD) ModSecurity (Web application firewall) ModEvasive (Prevent DDOS attacks) Harden SSH server Fix Open DNS Recursion Install RKhunter…