Open-source software isn't just free to use it’s software that has its entire code open to the public to examine and modify without worrying about copyright infringement. And depending on the level of protection and security you’re looking for, along with your technical knowledge, you can customize the pfsense firewall to suit your needs. pfsense was first created in 2004 as part of the project “m0n0wall” that aimed to create full-feature, embedded firewall software.īut unlike other free software available online, the functionality that pfsense offers allows it to compete with commercial firewalls.

Pfsense is a brand of firewall and router software that’s free to use and customize as long as you have the right hardware-that is, anything from a specialized router to an old PC you salvaged. being dangerous or coming from a source you blocked, either from the internet or software installed on your device. A firewall is a network security system, that monitors, tracks, and controls outgoing and incoming data and network traffic. A firewall is your first line of defense against malicious software and strangers online.ĭepending on your settings, your firewall will intercept network traffic that meets certain criteria, i.e.

Pfsense wifi router