This document provides instructions on how to manually block access to your website by specific IP addresses by adding them to the GLOBAL_IP_BLACKLIST array in the zero-site-protector.php file.
// Manual IP blocking can be done here.
define("GLOBAL_IP_BLACKLIST", array(
"41.50.128.9",
"41.50.128.10",
"41.89.128.10"
));