PfSense packages
Various packages are available for online installation from System – Package Manager – Available Packages menu. This menu lists all such available packages including: Iftop – A real-time interface monitor Nmap – A network exploration and security utility Openvpn client export – This exports preconfigured openvpn client settings for Windows and MAC OpenBGPD, Routed and Quagga_OSPF – Offers support for BGP, RIP V1/V2 and OSPF routing protocols Snort and Suricata – For intrusion detection and prevention Squid – This is a high performance Web proxy cache, which also supports SSL filtering SquidGuard – This is a Web proxy URL filter Out of these, the most popular is Squid for caching and SquiqdGuard for website filtering.