Hello All,

One need to perform below mentioned steps to whitelist/blacklist an IP address from Linux server firewall - CSF:

1) Login into the Web Host Manager - WHM
2) Click on Configure Server Security & Firewall from plugins menu.

To Whitelist IP address:
  • Click on ‘Firewall allow IPs’ to Whitelist the IP address.
  • Enter the IP address which needs to be whitelisted.
  • Click on change button and restart the firewall.
To Blacklist IP address:
  • Click on ‘Firewall Deny IPs’ to blacklist the IP address.
  • Enter the IP address which needs to be blacklisted.
  • Click on change button and restart the firewall.
Thanks,

Shane G.
AccuWebHosting.Com