Firewall Builder Licensing

GNU Public License (GPL)

Firewall Builder source and packages are available under the GPL. The complete source code archives are provided on the downloads page and build instructions for Linux are published on the web site.

Please note that Firewall Builder GUI is based on QT and therefore requires the QT run time libraries and development packages if you wish to build from source. For more information about QT licensing refer to the QT licensing terms available at


You can download source code and binary packages distributed under GPL from our web site or from our SourceForge project page


Firewall Builder users can get support at our SourceForge online forum and on our mailing list.


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