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Limited Warranty and License 69

Open Source Licensing

Barracuda products may include programs that are covered by the GNU General Public License

(GPL) or other "open source" license agreements. The GNU license is re-printed below for you

reference. These programs are copyrighted by their authors or other parties, and the authors and

Barracuda Networks.

GNU GENERAL PUBLIC LICENSE, (GPL) Version 2, June 1991

51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Everyone is permitted to copy and distribute verbatim copies of this license document, but changing

it is not allowed.

Preamble

The licenses for most software are designed to take away your freedom to share and change it. By

contrast, the GNU General Public

License is intended to guarantee your freedom to share and change free software--to make sure the

software is free for all its users. This General Public License applies to most of the Free Software

Foundation's software and to any other program whose authors commit to using it. (Some other Free

Software Foundation software is covered by the GNU Library General Public License instead.) You can

apply it to your programs, too.

When we speak of free software, we are referring to freedom, not price. Our General Public Licenses

are designed to make sure that you have the freedom to distribute copies of free software (and charge

for this service if you wish), that you receive source code or can get it if you want it, that you can

change the software or use pieces of it in new free programs; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or

to ask you to surrender the rights. These restrictions translate to certain responsibilities for you

if you distribute copies of the software, or if you modify it.

For example, if you distribute copies of such a program, whethergratis or for a fee, you must give the

recipients all the rights that you have. You must make sure that they, too, receive or can get the

source code. And you must show them these terms so they know their rights.

We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which

gives you legal permission to copy, distribute and/or modify the software.

Also, for each author's protection and ours, we want to make certain that everyone understands that

there is no warranty for this free software. If the software is modified by someone else and passed

on, we want its recipients to know that what they have is not the original, so that any problems

introduced by others will not reflect on the original authors' reputations.

Finally, any free program is threatened constantly by software patents. We wish to avoid the danger

that redistributors of a free program will individually obtain patent licenses, in effect making the

program proprietary. To prevent this, we have made it clear that any patent must be licensed for

everyone's free use or not licensed at all.

The precise terms and conditions for copying, distribution and modification follow.

GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. This License applies to any program or other work which contains a notice placed by the copyright

holder saying it may be distributed under the terms of this General Public License. The "Program",

below, refers to any such program or work, and a "work based on the Program" means either the Program

or any derivative work under copyright law: that is to say, a work containing the Program or a portion

of it, either verbatim or with modifications and/or translated into another language. (Hereinafter,

translation is included without limitation in the term "modification".) Each licensee is addressed

as "you".

Activities other than copying, distribution and modification are not covered by this License; they are

outside its scope. The act of running the Program is not restricted, and the output from the Program

is covered only if its contents constitute a work based on the Program (independent of having been

made by running the Program). Whether that is true depends on what the Program does.

1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any

medium, provided that you conspicuously and appropriately publish on each copy an appropriate

and to the absence of any warranty; and give any other recipients of the Program a copy of this

License along with the Program.

You may charge a fee for the physical act of transferring a copy, and you may at your option offer

warranty protection in exchange for a fee.

2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based

on the Program, and copy and distribute such modifications or work under the terms of Section 1 above,

provided that you also meet all of these conditions:

a) You must cause the modified files to carry prominent notices stating that you changed the files

and the date of any change.

b) You must cause any work that you distribute or publish, that in whole or in part contains or

is derived from the Program or any part thereof, to be licensed as a whole at no charge to all

third parties under the terms of this License.