How to install and uninstall APF firewall

A firewall is a very good idea for a server. Though many people think that a firewall is instant protection that will do everything it really is not. A firewall will help prevent some things but it is not going to stop everything. It is just one piece of the security network that is being woven. I recommend advanced protection firewall (APF) by rfxnetworks. APF will block unused outgoing and incoming ports. It can also be configured to use information from some block lists. The below port list will work for cPanel. For the other control panels you will need to add in the administration ports.

Cài đặt và cấu hình APF Firewall

APF Firewall là một phần mềm Firewall Script phát triễn trên nền IPTables, tuy không thể sánh cùng với các đàn anh firewall khác nhưng bù lại được miễn phí và mức độ firewall cũng không đến nỗi tệ. Bài viết này hi vọng sẽ giúp được bạn nào dùng VPS ( không ít thì nhiều ) để security VPS của mình được tốt hơn.

1. Login SSH bằng tài khoản Root:

wget http://www.r-fx.ca/downloads/apf-current.tar.gz

How to install APF (Advanced Policy Firewall)

What is APF (Advanced Policy Firewall)? APF Firewall
APF is a policy based iptables firewall system designed for ease of use and configuration. It employs a subset of features to satisfy the veteran Linux user and the novice alike. Packaged in tar.gz format and RPM formats, make APF ideal for deployment in many server environments based on Linux. APF is developed and maintained by R-fx Networks: http://www.rfxnetworks.com/apf.php