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1. Formalities

1.1 Disclaimer

---------------If you read nothing else, please read this----------------

This program offers an aid to creating firewall rules. It offers ABSOLUTELY NO intelligence in deciding what should be allowed or disallowed. It has ABSOLUTELY NO ability to understand your security policy and implement it. YOU are responsible for reviewing the rules and massaging them to fit your needs.

While this documentation attempts to provide some general guidelines on how to use Mason, please remember: the author has no knowledge of what you want your firewall to do and has not tailored the documentation or program to specially fit your needs. If there is ever a discrepancy between your needs and the program output or your needs and the documentation, the program and/or documentation are _dead_ _wrong_.

1.2 Copyleft

Mason interactively creates a Linux packet filtering firewall.

Copyright (C) 1998-2002 William Stearns

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

The author can also be reached at:

email (preferred)



William Stearns
6 Manchester Dr.
Lebanon NH, 03766, USA

This code is entirely owned by William Stearns ( and has no relation to any employer or employer sponsored project.

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