The WHMCS configuration file is one of the most important files in your WHMCS install. It is what allows WHMCS to connect to the database and contains other important settings.
The WHMCS Firewall module enables you to:
(1) Backup, protect and restore this configuration.php file.
(2) Easily make edits to the file when needed. **The first edit should be changing the default path to your admin login.
Follow these steps to access your WHMCS configuration.php file via the WHMCS Firewall module.