Firewall, shield wall or firewall is a system designed to prevent unwanted access to or from an internal network. Software used to keep private networks secure by blocking unauthorized access to or from private networks.
and how to set up firewall on WHM and cPanel? follow the tutorial
1. Install Firewall Moduleyum install firewalld -y
2. Check firewall servicerpm -qa firewalld
3. Backup old iptablesiptables-save > /etc/sysconfig/iptables.save
4. cPanel service configuration to firewall/usr/local/cpanel/scripts/configure_firewall_for_cpanel
5. Reload firewallsudo firewall-cmd --reload
6. Run the firewall modulesystemctl start firewalld
7. Check all service on firewallfirewall-cmd --list-all
Now your cpanel service has been protected by the firewall system.
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