cPanel: IP Restrict Joomla Administrator Section
In order to restrict Joomla Administrator section to only one or few particular IP’s add the below in the .htaccess file in the administrator directory
Order Deny,Allow Deny from all Allow from <IP 1> Allow from <IP 2> Allow from <IP 3> Allow from <IP 4>
The code should be added only in .htaccess file under administrator directory and nowhere else.
Replace <IP 1>, <IP 2>, <IP 3>, <IP 4> with your real IP’s.