- PfSensee: The Definitive Guide: The Definitive Guide to the pfSense Open Source Router and Firewall Distribution - Michael W. Lucas Christopher M. Buechler Jim Pingle - Books
- PfSensee: The Definitive Guide: The Definitive Guide to the pfSense Open Source Router and Firewall Distribution - Michael W. Lucas Christopher M. Buechler Jim Pingle - Books