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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...
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Port Enumeration and Fingerprinting
Port Enumeration Port enumeration is based on the ability to gather information from an open port, by either straightforward banner grabbing when connecting to an open port, or by inference from the...
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HAProxy 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...
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netio: A Network Benchmark Tool
netio in action under pfSense 2.1.5. netio is a network benchmark utility for OS/2 2.x, Windows, Linux and Unix. It measures the net throughput of a network via TCP and UDP protocols using various...
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Siproxd: Part One
Siproxd is a proxy/masquerading daemon for the SIP protocol. It handles registrations of SIP clients on a private IP network and performs rewriting of the SIP message bodies to make SIP connections...
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