What is cPHulk?
cPHulk is a service that provides protection for your server against brute force attacks. This can be observed and configured within WHM » Security Center » cPHulk Brute Force Protection.
cPhulk monitors the following web servers and services:
cPanel services (Port 2083).
WHM services (Port 2087).
Mail services (Dovecot and Exim).
The Pure-FTPd service.
Secure Shell (SSH) access.
For more information regarding cPHulk and its configuration, please read the following documentation: cPhulk Brute Force Protection.