How To Install And Configure Advanced Policy Firewall (APF) On CentOS 5.3
Thursday, September 17th, 2009This tutorial explains how you can install and configure APF - an interface to IPTables which lets you easily configure a full featured firewall to secure servers and workstations connected to a network. This guide describes an example installation on a server with cPanel but it’s only a matter of port numbers which must be open for everything to work. APF can be used on any system.http://www.howtoforge.com/how-to-install-and-configure-advanced-policy-firewall-apf-on-centos-5.3