
1) Computer network security
Found on
https://www.crosswordclues.com/clue/pfsense

pfSense is an open source firewall/router computer software distribution based on FreeBSD. It is installed on a computer to make a dedicated firewall/router for a network and is noted for its reliability and offering features often only found in expensive commercial firewalls. It can be configured and upgraded through a web-based interface, and re...
Found on
http://en.wikipedia.org/wiki/PfSense
No exact match found.