Copyright Notice

jpg "Clone me," says Dolly sheepishly.

Last update: 2-Mar-2023 05:21 UTC


The following copyright notice applies to all files collectively called the Network Time Protocol Version 4 Distribution. Unless specifically declared otherwise in an individual file, this entire notice applies as if the text was explicitly included in the file.

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*                                                                     *
* Copyright (c) University of Delaware 1992-2015                      *
*                                                                     *
* Permission to use, copy, modify, and distribute this software and   *
* its documentation for any purpose with or without fee is hereby     *
* granted, provided that the above copyright notice appears in all    *
* copies and that both the copyright notice and this permission       *
* notice appear in supporting documentation, and that the name        *
* University of Delaware not be used in advertising or publicity      *
* pertaining to distribution of the software without specific,        *
* written prior permission. The University of Delaware makes no       *
* representations about the suitability this software for any         *
* purpose. It is provided "as is" without express or implied          *
* warranty.                                                           *
*                                                                     *
***********************************************************************

Content starting in 2011 from Harlan Stenn, Juergen Perlinger, Dave Hart, Danny Mayer, Martin Burnicki, and possibly others is:

***********************************************************************
*                                                                     *
* Copyright (c) Network Time Foundation 2011-2023                     *
*                                                                     *
* All Rights Reserved                                                 *
*                                                                     *
* Redistribution and use in source and binary forms, with or without  *
* modification, are permitted provided that the following conditions  *
* are met:                                                            *
* 1. Redistributions of source code must retain the above copyright   *
*    notice, this list of conditions and the following disclaimer.    *
* 2. Redistributions in binary form must reproduce the above          *
*    copyright notice, this list of conditions and the following      *
*    disclaimer in the documentation and/or other materials provided  *
*    with the distribution.                                           *
*                                                                     *
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS  *
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   *
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  *
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE    *
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT   *
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR  *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF          *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE   *
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH    *
* DAMAGE.                                                             *
***********************************************************************

The following individuals contributed in part to the Network Time Protocol Distribution Version 4 and are acknowledged as authors of this work.

  1. Takao Abe <takao_abe@xurb.jp> Clock driver for JJY receivers
  2. Mark Andrews <mark_andrews@isc.org> Leitch atomic clock controller
  3. Bernd Altmeier <altmeier@atlsoft.de> hopf Elektronik serial line and PCI-bus devices
  4. Viraj Bais <vbais@mailman1.intel.com> and Clayton Kirkwood <kirkwood@striderfm.intel.com> port to WindowsNT 3.5
  5. Michael Barone <michael,barone@lmco.com> GPSVME fixes
  6. Karl Berry <karl@owl.HQ.ileaf.com> syslog to file option
  7. Greg Brackley <greg.brackley@bigfoot.com> Major rework of WINNT port. Clean up recvbuf and iosignal code into separate modules.
  8. Marc Brett <Marc.Brett@westgeo.com> Magnavox GPS clock driver
  9. Piete Brooks <Piete.Brooks@cl.cam.ac.uk> MSF clock driver, Trimble PARSE support
  10. Nelson B Bolyard <nelson@bolyard.me> update and complete broadcast and crypto features in sntp
  11. Jean-Francois Boudreault <Jean-Francois.Boudreault@viagenie.qc.ca> IPv6 support
  12. Reg Clemens <reg@dwf.com> Oncore driver (Current maintainer)
  13. Steve Clift <clift@ml.csiro.au> OMEGA clock driver
  14. Casey Crellin <casey@csc.co.za> vxWorks (Tornado) port and help with target configuration
  15. Philippe De Muyter <phdm@macqel.be> Wharton reference clock driver, sysV68 and AIX modifications.
  16. Sven Dietrich <sven_dietrich@trimble.com> Palisade reference clock driver, NT adj. residuals, integrated Greg's Winnt port.
  17. John A. Dundas III <dundas@salt.jpl.nasa.gov> Apple A/UX port
  18. Torsten Duwe <duwe@immd4.informatik.uni-erlangen.de> Linux port
  19. Dennis Ferguson <dennis@mrbill.canet.ca> foundation code for NTP Version 2 as specified in RFC-1119
  20. John Hay <jhay@icomtek.csir.co.za> IPv6 support and testing
  21. Dave Hart <davehart@gmail.com> General maintenance, IPv6 cleanup, Windows PPSAPI
  22. Claas Hilbrecht <neoclock4x@linum.com> NeoClock4X clock driver
  23. Glenn Hollinger <glenn@herald.usask.ca> GOES clock driver
  24. Mike Iglesias <iglesias@uci.edu> DEC Alpha port
  25. Jim Jagielski <jim@jagubox.gsfc.nasa.gov> A/UX port
  26. Jeff Johnson <jbj@chatham.usdesign.com> massive prototyping overhaul
  27. Hans Lambermont <Hans.Lambermont@nl.origin-it.com> or <H.Lambermont@chello.nl> ntpsweep
  28. Poul-Henning Kamp <phk@FreeBSD.ORG> Oncore driver (Original author)
  29. Frank Kardel <kardel (at) ntp (dot) org> PARSE <GENERIC> (driver 14 reference clocks), STREAMS modules for PARSE, support scripts, syslog cleanup, dynamic interface handling
  30. Johannes Maximilian Kuehn <kuehn@ntp.org> Rewrote sntp to comply with NTPv4 specification, ntpq saveconfig
  31. William L. Jones <jones@hermes.chpc.utexas.edu> RS/6000 AIX modifications, HPUX modifications
  32. Dave Katz <dkatz@cisco.com> RS/6000 AIX port
  33. Craig Leres <leres@ee.lbl.gov> 4.4BSD port, ppsclock, Magnavox GPS clock driver
  34. George Lindholm <lindholm@ucs.ubc.ca> SunOS 5.1 port
  35. Louis A. Mamakos <louie@ni.umd.edu> MD5-based authentication
  36. Lars H. Mathiesen <thorinn@diku.dk> adaptation of foundation code for Version 3 as specified in RFC-1305
  37. Danny Mayer <mayer@ntp.org>Network I/O, Windows Port, Code Maintenance
  38. David L. Mills <mills@udel.edu> Version 4 foundation, precision kernel; clock drivers: 1, 3, 4, 6, 7, 11, 13, 18, 19, 22, 36
  39. Wolfgang Moeller <moeller@gwdgv1.dnet.gwdg.de> VMS port
  40. Jeffrey Mogul <mogul@pa.dec.com> ntptrace utility
  41. Tom Moore <tmoore@fievel.daytonoh.ncr.com> i386 svr4 port
  42. Kamal A Mostafa <kamal@whence.com> SCO OpenServer port
  43. Derek Mulcahy <derek@toybox.demon.co.uk> and Damon Hart-Davis <d@hd.org> ARCRON MSF clock driver
  44. Rob Neal <neal@ntp.org> Bancomm refclock and config/parse code maintenance
  45. Rainer Pruy <Rainer.Pruy@informatik.uni-erlangen.de> monitoring/trap scripts, statistics file handling
  46. Dirce Richards <dirce@zk3.dec.com> Digital UNIX V4.0 port
  47. Wilfredo Sánchez <wsanchez@apple.com> added support for NetInfo
  48. Nick Sayer <mrapple@quack.kfu.com> SunOS streams modules
  49. Jack Sasportas <jack@innovativeinternet.com> Saved a Lot of space on the stuff in the html/pic/ subdirectory
  50. Ray Schnitzler <schnitz@unipress.com> Unixware1 port
  51. Michael Shields <shields@tembel.org> USNO clock driver
  52. Jeff Steinman <jss@pebbles.jpl.nasa.gov> Datum PTS clock driver
  53. Harlan Stenn <harlan@pfcs.com> GNU automake/autoconfigure makeover, various other bits (see the ChangeLog)
  54. Kenneth Stone <ken@sdd.hp.com> HP-UX port
  55. Ajit Thyagarajan <ajit@ee.udel.edu>IP multicast/anycast support
  56. Tomoaki TSURUOKA <tsuruoka@nc.fukuoka-u.ac.jp>TRAK clock driver
  57. Brian Utterback <brian.utterback@oracle.com> General codebase, Solaris issues
  58. Loganaden Velvindron <loganaden@gmail.com> Sandboxing (libseccomp) support
  59. Paul A Vixie <vixie@vix.com> TrueTime GPS driver, generic TrueTime clock driver
  60. Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de> corrected and validated HTML documents according to the HTML DTD