Essentials covers installation and basic configuration through advanced networking and firewalling with the popular FreeBSD-based pfSense open source firewall and router distribution. The book includes setting up captive portals and MAC filtering, DHCP services, IPv6 autoconfiguration, multi-WAN routing, caching DNS, Dynamic DNS, high availability and redundant firewalls, port forwarding and network address translation, virtual LANs, traffic shaping and QoS, IPsec, L2TP, OpenVPN, wireless access points, time-scheduled packet filtering, and much more. It describes the web-based interface for backups, system upgrades, log management, installing add-on packages, graphical reports and analyzing network and system activity, and advanced firewall tunings, as well as the text console interface. Authored by BSD Unix and QA expert, Jeremy C. Reed, pfSense Essentials is a detailed guide for common security and networking tasks using pfSense 2.4.4 with older and newer features.