Overview
APF GUI is a free, open source WHM plugin cPanel that allows you to manage your APF firewall from within WHM. It presently has support for,

Managing the APF configuration.
Managing the allowed IP file.
Managing the denied IP file.

Requirements

cPanel/WHM
Perl 5.8 or better
APF (Advanced Policy Firewall) from R-fx networks (http://www.rfxn.com/downloads/apf-current.tar.gz)
Red Hat/CentOS

Installation

To install the latest version of apf-gui from SSH run

Code:
wget -O apf-gui.tar.gz https://www.admingeekz.com/files/apf-gui.tar.gz
tar -zxf apf-gui.tar.gz
cd apf-gui
/bin/bash install.sh
You should then be able to see "APF GUI" in WHM on the left menu under "Plugins".

See more at https://github.com/admingeekz/apf-gui