This tutorial explains how you can start, stop and restart iptables rules of your server firewall. This tutorial is applicable […]
Solution – Server Down after Flushing IPtables
Recently one of my vps (CentOS) went down after flushing / clearing iptables rules using below command: iptables -F The […]
How to change SSH port on CentOS 7 Server
The default SSH port on centOS 7 (32-bits / 64-bits) server is 22. But for security reasons, it is recommended […]
cPanel warning – Current kernel version is out of date
When you run cPanel Security Advisor, and if you get kernel out of date warning message, you need to update […]
How to block IP range in CSF firewall
If you want to block a complete IP range in CSF firewall, please follow these steps: Let’s say you want […]