COPYING 21 KB

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  1. *****************************************************************************
  2. The text that follows is the GNU General Public License, Version 2 (GPL V2)
  3. and governs your use, modification and/or distribution of SNORT.
  4. Section 9 of the GPL V2 acknowledges that the Free Software Foundation may
  5. publish revised and/or new versions of the GPL V2 from time to time. Section 9
  6. further states that a licensee of a program subject to the GPL V2 could be
  7. free to use any such revised and/or new versions under two different scenarios:
  8. 1. "Failure to Specify." Section 9 of the GPL V2 allows a licensee of a
  9. program governed by an unspecified version of the General Public License to
  10. choose any version of the General Public License ever published by the Free
  11. Software Foundation to govern his or her use of such program.
  12. This provision is not applicable to your use of SNORT because we have
  13. expressly stated in a number of instances that any third party's use,
  14. modification or distribution of SNORT is governed by GPL V2.
  15. 2. "Any Later Version." At the end of the terms and condition of the GPL V2 is
  16. a section called "How to Apply these Terms to Your New Program," which
  17. provides guidance to a developer on how to apply the GPL V2 to a third party's
  18. use, modification and/or distribution of his/her program. Among other things,
  19. this guidance suggests that the developer attach certain notices to the
  20. program. Of particular importance is the following notice:
  21. "This program is free software; you can redistribute it and/or modify it under
  22. the terms of the GNU General Public License as published by the Free Software
  23. Foundation; either version 2 of the License, or (at your option) any later
  24. version."
  25. Thus if a developer follows strictly the guidance provided by the Free
  26. Software Foundation, Section 9 of the GPL V2 provides the licensee the option
  27. to either use, modify or distribute the program under GPL V2 or under any
  28. later version published by the Free Software Foundation.
  29. SNORT is an open source project that is governed exclusively by the GPL V2
  30. and any third party desiring to use, modify or distribute SNORT must do so by
  31. strictly following the terms and conditions of GPL V2. Anyone using, modifying
  32. or distributing SNORT does not have the option to chose to use, modify or
  33. distribute SNORT under any revised or new version of the GPL, including
  34. without limitation, the GNU General Public License Version 3.
  35. For ease of reference, the comparable notice that is used with SNORT
  36. (contained in the 'README' file) is as follows:
  37. "This program is free software; you can redistribute it and/or modify it under
  38. the terms of the GNU General Public License Version 2 as published by the Free
  39. Software Foundation. You may not use, modify or distribute this program under
  40. any other version of the GNU General Public License."
  41. If you have any questions about this statement, please feel free to email
  42. snort-info@snort.org.
  43. *****************************************************************************
  44. GNU GENERAL PUBLIC LICENSE
  45. Version 2, June 1991
  46. Copyright (C) 1989, 1991 Free Software Foundation, Inc.
  47. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  48. Everyone is permitted to copy and distribute verbatim copies
  49. of this license document, but changing it is not allowed.
  50. Preamble
  51. The licenses for most software are designed to take away your
  52. freedom to share and change it. By contrast, the GNU General Public
  53. License is intended to guarantee your freedom to share and change free
  54. software--to make sure the software is free for all its users. This
  55. General Public License applies to most of the Free Software
  56. Foundation's software and to any other program whose authors commit to
  57. using it. (Some other Free Software Foundation software is covered by
  58. the GNU Library General Public License instead.) You can apply it to
  59. your programs, too.
  60. When we speak of free software, we are referring to freedom, not
  61. price. Our General Public Licenses are designed to make sure that you
  62. have the freedom to distribute copies of free software (and charge for
  63. this service if you wish), that you receive source code or can get it
  64. if you want it, that you can change the software or use pieces of it
  65. in new free programs; and that you know you can do these things.
  66. To protect your rights, we need to make restrictions that forbid
  67. anyone to deny you these rights or to ask you to surrender the rights.
  68. These restrictions translate to certain responsibilities for you if you
  69. distribute copies of the software, or if you modify it.
  70. For example, if you distribute copies of such a program, whether
  71. gratis or for a fee, you must give the recipients all the rights that
  72. you have. You must make sure that they, too, receive or can get the
  73. source code. And you must show them these terms so they know their
  74. rights.
  75. We protect your rights with two steps: (1) copyright the software, and
  76. (2) offer you this license which gives you legal permission to copy,
  77. distribute and/or modify the software.
  78. Also, for each author's protection and ours, we want to make certain
  79. that everyone understands that there is no warranty for this free
  80. software. If the software is modified by someone else and passed on, we
  81. want its recipients to know that what they have is not the original, so
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  89. The precise terms and conditions for copying, distribution and
  90. modification follow.
  91. GNU GENERAL PUBLIC LICENSE
  92. TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
  93. 0. This License applies to any program or other work which contains
  94. a notice placed by the copyright holder saying it may be distributed
  95. under the terms of this General Public License. The "Program", below,
  96. refers to any such program or work, and a "work based on the Program"
  97. means either the Program or any derivative work under copyright law:
  98. that is to say, a work containing the Program or a portion of it,
  99. either verbatim or with modifications and/or translated into another
  100. language. (Hereinafter, translation is included without limitation in
  101. the term "modification".) Each licensee is addressed as "you".
  102. Activities other than copying, distribution and modification are not
  103. covered by this License; they are outside its scope. The act of
  104. running the Program is not restricted, and the output from the Program
  105. is covered only if its contents constitute a work based on the
  106. Program (independent of having been made by running the Program).
  107. Whether that is true depends on what the Program does.
  108. 1. You may copy and distribute verbatim copies of the Program's
  109. source code as you receive it, in any medium, provided that you
  110. conspicuously and appropriately publish on each copy an appropriate
  111. copyright notice and disclaimer of warranty; keep intact all the
  112. notices that refer to this License and to the absence of any warranty;
  113. and give any other recipients of the Program a copy of this License
  114. along with the Program.
  115. You may charge a fee for the physical act of transferring a copy, and
  116. you may at your option offer warranty protection in exchange for a fee.
  117. 2. You may modify your copy or copies of the Program or any portion
  118. of it, thus forming a work based on the Program, and copy and
  119. distribute such modifications or work under the terms of Section 1
  120. above, provided that you also meet all of these conditions:
  121. a) You must cause the modified files to carry prominent notices
  122. stating that you changed the files and the date of any change.
  123. b) You must cause any work that you distribute or publish, that in
  124. whole or in part contains or is derived from the Program or any
  125. part thereof, to be licensed as a whole at no charge to all third
  126. parties under the terms of this License.
  127. c) If the modified program normally reads commands interactively
  128. when run, you must cause it, when started running for such
  129. interactive use in the most ordinary way, to print or display an
  130. announcement including an appropriate copyright notice and a
  131. notice that there is no warranty (or else, saying that you provide
  132. a warranty) and that users may redistribute the program under
  133. these conditions, and telling the user how to view a copy of this
  134. License. (Exception: if the Program itself is interactive but
  135. does not normally print such an announcement, your work based on
  136. the Program is not required to print an announcement.)
  137. These requirements apply to the modified work as a whole. If
  138. identifiable sections of that work are not derived from the Program,
  139. and can be reasonably considered independent and separate works in
  140. themselves, then this License, and its terms, do not apply to those
  141. sections when you distribute them as separate works. But when you
  142. distribute the same sections as part of a whole which is a work based
  143. on the Program, the distribution of the whole must be on the terms of
  144. this License, whose permissions for other licensees extend to the
  145. entire whole, and thus to each and every part regardless of who wrote it.
  146. Thus, it is not the intent of this section to claim rights or contest
  147. your rights to work written entirely by you; rather, the intent is to
  148. exercise the right to control the distribution of derivative or
  149. collective works based on the Program.
  150. In addition, mere aggregation of another work not based on the Program
  151. with the Program (or with a work based on the Program) on a volume of
  152. a storage or distribution medium does not bring the other work under
  153. the scope of this License.
  154. 3. You may copy and distribute the Program (or a work based on it,
  155. under Section 2) in object code or executable form under the terms of
  156. Sections 1 and 2 above provided that you also do one of the following:
  157. a) Accompany it with the complete corresponding machine-readable
  158. source code, which must be distributed under the terms of Sections
  159. 1 and 2 above on a medium customarily used for software interchange; or,
  160. b) Accompany it with a written offer, valid for at least three
  161. years, to give any third party, for a charge no more than your
  162. cost of physically performing source distribution, a complete
  163. machine-readable copy of the corresponding source code, to be
  164. distributed under the terms of Sections 1 and 2 above on a medium
  165. customarily used for software interchange; or,
  166. c) Accompany it with the information you received as to the offer
  167. to distribute corresponding source code. (This alternative is
  168. allowed only for noncommercial distribution and only if you
  169. received the program in object code or executable form with such
  170. an offer, in accord with Subsection b above.)
  171. The source code for a work means the preferred form of the work for
  172. making modifications to it. For an executable work, complete source
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  174. associated interface definition files, plus the scripts used to
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  177. anything that is normally distributed (in either source or binary
  178. form) with the major components (compiler, kernel, and so on) of the
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  184. distribution of the source code, even though third parties are not
  185. compelled to copy the source along with the object code.
  186. 4. You may not copy, modify, sublicense, or distribute the Program
  187. except as expressly provided under this License. Any attempt
  188. otherwise to copy, modify, sublicense or distribute the Program is
  189. void, and will automatically terminate your rights under this License.
  190. However, parties who have received copies, or rights, from you under
  191. this License will not have their licenses terminated so long as such
  192. parties remain in full compliance.
  193. 5. You are not required to accept this License, since you have not
  194. signed it. However, nothing else grants you permission to modify or
  195. distribute the Program or its derivative works. These actions are
  196. prohibited by law if you do not accept this License. Therefore, by
  197. modifying or distributing the Program (or any work based on the
  198. Program), you indicate your acceptance of this License to do so, and
  199. all its terms and conditions for copying, distributing or modifying
  200. the Program or works based on it.
  201. 6. Each time you redistribute the Program (or any work based on the
  202. Program), the recipient automatically receives a license from the
  203. original licensor to copy, distribute or modify the Program subject to
  204. these terms and conditions. You may not impose any further
  205. restrictions on the recipients' exercise of the rights granted herein.
  206. You are not responsible for enforcing compliance by third parties to
  207. this License.
  208. 7. If, as a consequence of a court judgment or allegation of patent
  209. infringement or for any other reason (not limited to patent issues),
  210. conditions are imposed on you (whether by court order, agreement or
  211. otherwise) that contradict the conditions of this License, they do not
  212. excuse you from the conditions of this License. If you cannot
  213. distribute so as to satisfy simultaneously your obligations under this
  214. License and any other pertinent obligations, then as a consequence you
  215. may not distribute the Program at all. For example, if a patent
  216. license would not permit royalty-free redistribution of the Program by
  217. all those who receive copies directly or indirectly through you, then
  218. the only way you could satisfy both it and this License would be to
  219. refrain entirely from distribution of the Program.
  220. If any portion of this section is held invalid or unenforceable under
  221. any particular circumstance, the balance of the section is intended to
  222. apply and the section as a whole is intended to apply in other
  223. circumstances.
  224. It is not the purpose of this section to induce you to infringe any
  225. patents or other property right claims or to contest validity of any
  226. such claims; this section has the sole purpose of protecting the
  227. integrity of the free software distribution system, which is
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  229. generous contributions to the wide range of software distributed
  230. through that system in reliance on consistent application of that
  231. system; it is up to the author/donor to decide if he or she is willing
  232. to distribute software through any other system and a licensee cannot
  233. impose that choice.
  234. This section is intended to make thoroughly clear what is believed to
  235. be a consequence of the rest of this License.
  236. 8. If the distribution and/or use of the Program is restricted in
  237. certain countries either by patents or by copyrighted interfaces, the
  238. original copyright holder who places the Program under this License
  239. may add an explicit geographical distribution limitation excluding
  240. those countries, so that distribution is permitted only in or among
  241. countries not thus excluded. In such case, this License incorporates
  242. the limitation as if written in the body of this License.
  243. 9. The Free Software Foundation may publish revised and/or new versions
  244. of the General Public License from time to time. Such new versions will
  245. be similar in spirit to the present version, but may differ in detail to
  246. address new problems or concerns.
  247. Each version is given a distinguishing version number. If the Program
  248. specifies a version number of this License which applies to it and "any
  249. later version", you have the option of following the terms and conditions
  250. either of that version or of any later version published by the Free
  251. Software Foundation. If the Program does not specify a version number of
  252. this License, you may choose any version ever published by the Free Software
  253. Foundation.
  254. 10. If you wish to incorporate parts of the Program into other free
  255. programs whose distribution conditions are different, write to the author
  256. to ask for permission. For software which is copyrighted by the Free
  257. Software Foundation, write to the Free Software Foundation; we sometimes
  258. make exceptions for this. Our decision will be guided by the two goals
  259. of preserving the free status of all derivatives of our free software and
  260. of promoting the sharing and reuse of software generally.
  261. NO WARRANTY
  262. 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
  263. FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
  264. OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
  265. PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
  266. OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  267. MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
  268. TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
  269. PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
  270. REPAIR OR CORRECTION.
  271. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
  272. WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
  273. REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
  274. INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
  275. OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
  276. TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
  277. YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
  278. PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
  279. POSSIBILITY OF SUCH DAMAGES.
  280. END OF TERMS AND CONDITIONS
  281. How to Apply These Terms to Your New Programs
  282. If you develop a new program, and you want it to be of the greatest
  283. possible use to the public, the best way to achieve this is to make it
  284. free software which everyone can redistribute and change under these terms.
  285. To do so, attach the following notices to the program. It is safest
  286. to attach them to the start of each source file to most effectively
  287. convey the exclusion of warranty; and each file should have at least
  288. the "copyright" line and a pointer to where the full notice is found.
  289. <one line to give the program's name and a brief idea of what it does.>
  290. Copyright (C) 19yy <name of author>
  291. This program is free software; you can redistribute it and/or modify
  292. it under the terms of the GNU General Public License as published by
  293. the Free Software Foundation; either version 2 of the License, or
  294. (at your option) any later version.
  295. This program is distributed in the hope that it will be useful,
  296. but WITHOUT ANY WARRANTY; without even the implied warranty of
  297. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  298. GNU General Public License for more details.
  299. You should have received a copy of the GNU General Public License
  300. along with this program; if not, write to the Free Software
  301. Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  302. USA
  303. Also add information on how to contact you by electronic and paper mail.
  304. If the program is interactive, make it output a short notice like this
  305. when it starts in an interactive mode:
  306. Gnomovision version 69, Copyright (C) 19yy name of author
  307. Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
  308. This is free software, and you are welcome to redistribute it
  309. under certain conditions; type `show c' for details.
  310. The hypothetical commands `show w' and `show c' should show the appropriate
  311. parts of the General Public License. Of course, the commands you use may
  312. be called something other than `show w' and `show c'; they could even be
  313. mouse-clicks or menu items--whatever suits your program.
  314. You should also get your employer (if you work as a programmer) or your
  315. school, if any, to sign a "copyright disclaimer" for the program, if
  316. necessary. Here is a sample; alter the names:
  317. Yoyodyne, Inc., hereby disclaims all copyright interest in the program
  318. `Gnomovision' (which makes passes at compilers) written by James Hacker.
  319. <signature of Ty Coon>, 1 April 1989
  320. Ty Coon, President of Vice
  321. This General Public License does not permit incorporating your program into
  322. proprietary programs. If your program is a subroutine library, you may
  323. consider it more useful to permit linking proprietary applications with the
  324. library. If this is what you want to do, use the GNU Library General
  325. Public License instead of this License.