- Log in to the WHM panel.
- Select the Server Configuration option.
- Click on Terminal.
- Copy/enter this code in the Terminal window.
cd /usr/local/src/
wget https://download.configserver.com/csf.tgz
tar -xzf csf.tgz
cd csf
sh install.sh
- Use the ConfigServer Security & Firewall interface in WHM by navigating to WHM » Home » Plugins » ConfigServer Security & Firewall.
- Click on the csf tab.
- Scroll down to the csf – ConfigServer Firewall section and click the Firewall Configuration button.
- You will find all the options for firewall configurations. Here is a quick rundown of the important settings to get you started.