Port Forwarding with NAT in pfSense
Firewall -> NAT configuration page in the pfSense web GUI. In computer networking, Network Address Translation (NAT) is the process of modifying IP address information in IPv4 headers while in...
View ArticleFirewall Rules in pfSense: Part One
Firewall: Rules page in the pfSense web GUI. In the previous article about NAT port forwarding, we used “Add associated filter rule” in order to generate the firewall rule for the Apache web server. We...
View ArticlePort Blocking in Linux
In the previous article, I covered the network security benefit of disabling unused services. In this article, I will cover the concept of port blocking, and how it can be done under Linux. TCP/IP...
View ArticleHAProxy Load Balancing: Part Two
Listener configuration in HAProxy under pfSense 2.1.5. In the previous article, we introduced HAProxy as a load balancing solution for TCP and HTTP-based applications. In this article, we will continue...
View ArticleTraffic Shaping in pfSense: Part Two
Configuring interfaces in the pfSense traffic shaper wizard. Wrapping a GUI around the underlying traffic shaping components in pfSense proved to be difficult. Lacking functionality in the underlying...
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