Need to do fresh installation of Fail2Ban.
Problem 3: Install UFW for controlling Iptables.
Problem 4: Additional Security Layers Implementation
Further Security Layers
Intrusion Detection - PSAD Implementation
Implement Intrusion Prevention System Services (IPS)
Prevent IP Spoofing
Check for Rootkits-RKHunter and CHKRootKit
Problem 5: Sub-domains creations
Problem 6: Apache2 Securities and Performance Fine tuning
Problem 7: PHP.INI optimizations
Note : Please note that, all these have to be installed on my production server.