Securing linux

APF Firewall Installation - Secures your server against internal and external attacks

Secure /tmp and /var/tmp - prevent malicious code execution

Disable insecure PHP Functions - prevents many common website exploits

Disable telnet and direct root logins

Root login email alerts

Brute Force Detection - helps prevent and divert brute force attacks

Hardening /etc/hosts and /etc/resolv.conf - helps prevent dns spoofing

Sysctl.conf hardening and tuning - helps prevent DoS attacks, as well tunes tcp for increases performance

Libsafe Installation - prevents stack overflow attacks

Kernel Update with Grsecurity

mod_security apache Installation - secure apache against common attacks
mod_dosevasive - apache DoS protection
Daily security scans setup (chkrootkit and rkhunter)
System Integrity Monitor - check regularly that all your services are up and running
Mask apache, exim, and named versions
Disable unused and insecure services
Limit get, fetch, and compiler use
Update apache, cPanel, and other system software
Linux Socket Monitor - prevent unpriviledged users from opening sockets