EULA License The Netgate pfSense firewall and VPN appliance is Copyright 2016 Netgate pfSense is Copyright 2004-2016 Rubicon Communications, LLC (Netgate) Current logo is Copyright 2005-2016 Electric Sheep Fencing LLC pfSense is a federally registered trademark of Electric Sheep Fencing LLC. Any unauthorized use of this trademark is prohibited by state and federal law and international treaties. All rights reserved. Portions from m0n0wall, Copyright 2002-2015 Manuel Kasper. Please refer to source code header for exact copyright information. Source Code pfSense source code is open source and distributed under the Apache 2.0 license.