Articles in this category
Manage your server’s firewall with iptables
iptables can act as your server's gatekeeper, deciding which network traffic is allowed in, out, or through your server.
Restoring CSF Firewall Configuration from a Backup
Protect your server by reverting unwanted changes. Learn how to safely restore your CSF firewall configuration from a backup in WHM's Firewall Profiles.
Unblock Your WHM Server’s IP Address
Your server firewall blocks malicious traffic based on rules but can sometimes affect legitimate access. If you're locked out, unblock your IP.
Unblocking an IP Address or Opening a Port in the Firewall
If an IP address has been blocked by the firewall on your cPanel VPS server unexpectedly, you can quickly resolve the issue yourself with…
Using CSF Firewall to Mitigate DoS/DDoS Attacks
Mitigating DoS and DDoS attacks is challenging. There's no way to prevent them, but we can reduce their impact and, in extreme cases, take…
Using FirewallD on CentOS 7
Secure your CentOS 7 server with FirewallD. Learn how to easily start, stop, enable, disable, and check the status of this dynamic firewall via…
What is a Firewall?
A firewall is like a security guard for your server. It checks all network traffic against a list of rules to block unauthorized access.
What Is the Login Failure Daemon (LFD)?
The Login Failure Daemon (LFD) monitors and blocks brute-force login attempts on your server. WHM allows you to configure and track LFD settings.
Windows Firewall
Secure your server with Windows Firewall. Our guides show you how to open ports, manage IP rules, and configure this built-in security tool.