Useful CSF Commands

Note: Way to the Web Ltd. (the company behind ConfigServer) has closed permanently on August 31, 2025. cPanel now provides a version of CSF as described below.
cPanel will provide its own fork of CSF starting Feb 25th, 2026

Question

What are some useful CSF commands?

Answer

You can view all the CSF command line options by using either of the following commands.

# man csf

# csf -h

For ease of reference, here is a list of a few very useful CSF commands covering some of the most common tasks when managing CSF on your server. 

• Enable CSF:

  # csf -e

• Disable CSF:

  # csf -x

• Whitelist an IP:

  # csf -a IP

  Note: Replace IP with the IP address to whitelist.

• Blacklist an IP:

  # csf -d IP

  Note: Replace IP with the IP address to block.

• Unblock an IP:

  # csf -dr IP

  Note: Replace IP with the IP address to unblock.

• Search CSF for a rule:

  # csf -g IP

  Note: Replace IP with the IP address to search