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Using the BACnet (R) firewall router



David G. Holmberg, Joel J. Bender, Michael A. Galler


The BACnet Firewall Router (BFR) is a BACnet router with security firewall functionality. As a firewall it allows network and address filtering plus network and application layer service filtering of BACnet communications according to a security policy. The BFR also has the ability to function as a BACnet Broadcast Management Device (BBMD) and provide Network Address Translation (NAT). The BFR is a piece of software that runs under Linux on a PC with two network cards (one facing the external network and one facing the internal protected network). The BFR is presently under development as a Sourceforge project (; Sourceforge is a website that hosts many open-source software development efforts. Source code, user manual, and other details are available for free at Sourceforge.
ASHRAE American Society for Heating, Refrigeration and Air Conditioning Journal
48 No. 11


BACnet, BBMD, BFR, filter, firewall, NAT, network security, router


Holmberg, D. , Bender, J. and Galler, M. (2006), Using the BACnet (R) firewall router, ASHRAE American Society for Heating, Refrigeration and Air Conditioning Journal, [online], (Accessed February 25, 2024)
Created November 1, 2006, Updated February 19, 2017