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Copyright Notice
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Last update: 7-Jan-2024 00:29 UTC
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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.
***********************************************************************
* *
* 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 2011-2024 *
* *
* 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. [1]Takao Abe Clock driver for JJY receivers
2. [2]Mark Andrews Leitch atomic clock
controller
3. [3]Bernd Altmeier hopf Elektronik serial line
and PCI-bus devices
4. [4]Viraj Bais and [5]Clayton Kirkwood
port to WindowsNT 3.5
5. [6]Michael Barone GPSVME fixes
6. [7]Karl Berry syslog to file option
7. [8]Greg Brackley Major rework of WINNT
port. Clean up recvbuf and iosignal code into separate modules.
8. [9]Marc Brett Magnavox GPS clock driver
9. [10]Piete Brooks MSF clock driver,
Trimble PARSE support
10. [11]Nelson B Bolyard update and complete
broadcast and crypto features in sntp
11. [12]Jean-Francois Boudreault
IPv6 support
12. [13]Reg Clemens Oncore driver (Current maintainer)
13. [14]Steve Clift OMEGA clock driver
14. [15]Casey Crellin vxWorks (Tornado) port and help
with target configuration
15. [16]Philippe De Muyter Wharton reference clock
driver, sysV68 and AIX modifications.
16. [17]Sven Dietrich Palisade reference
clock driver, NT adj. residuals, integrated Greg's Winnt port.
17. [18]John A. Dundas III Apple A/UX port
18. [19]Torsten Duwe Linux port
19. [20]Dennis Ferguson foundation code for
NTP Version 2 as specified in RFC-1119
20. [21]John Hay IPv6 support and testing
21. [22]Dave Hart General maintenance, IPv6
cleanup, Windows PPSAPI
22. [23]Claas Hilbrecht NeoClock4X clock driver
23. [24]Glenn Hollinger GOES clock driver
24. [25]Mike Iglesias DEC Alpha port
25. [26]Jim Jagielski A/UX port
26. [27]Jeff Johnson massive prototyping
overhaul
27. [28]Hans Lambermont or
[29] ntpsweep
28. [30]Poul-Henning Kamp Oncore driver (Original
author)
29. [31]Frank Kardel [32] PARSE
(driver 14 reference clocks), STREAMS modules for PARSE, support
scripts, syslog cleanup, dynamic interface handling
30. [33]Johannes Maximilian Kuehn Rewrote sntp to
comply with NTPv4 specification, ntpq saveconfig
31. [34]William L. Jones RS/6000 AIX
modifications, HPUX modifications
32. [35]Dave Katz RS/6000 AIX port
33. [36]Craig Leres 4.4BSD port, ppsclock, Magnavox
GPS clock driver
34. [37]George Lindholm SunOS 5.1 port
35. [38]Louis A. Mamakos MD5-based authentication
36. [39]Lars H. Mathiesen adaptation of foundation
code for Version 3 as specified in RFC-1305
37. [40]Danny Mayer Network I/O, Windows Port, Code
Maintenance
38. [41]David L. Mills Version 4 foundation, precision
kernel; clock drivers: 1, 3, 4, 6, 7, 11, 13, 18, 19, 22, 36
39. [42]Wolfgang Moeller VMS port
40. [43]Jeffrey Mogul ntptrace utility
41. [44]Tom Moore i386 svr4 port
42. [45]Kamal A Mostafa SCO OpenServer port
43. [46]Derek Mulcahy and [47]Damon
Hart-Davis ARCRON MSF clock driver
44. [48]Rob Neal Bancomm refclock and config/parse code
maintenance
45. [49]Rainer Pruy
monitoring/trap scripts, statistics file handling
46. [50]Dirce Richards Digital UNIX V4.0 port
47. [51]Wilfredo Sánchez added support for NetInfo
48. [52]Nick Sayer SunOS streams modules
49. [53]Jack Sasportas Saved a Lot of
space on the stuff in the html/pic/ subdirectory
50. [54]Ray Schnitzler Unixware1 port
51. [55]Michael Shields USNO clock driver
52. [56]Jeff Steinman Datum PTS clock driver
53. [57]Harlan Stenn GNU automake/autoconfigure
makeover, various other bits (see the ChangeLog)
54. [58]Kenneth Stone HP-UX port
55. [59]Ajit Thyagarajan IP multicast/anycast support
56. [60]Tomoaki TSURUOKA TRAK clock driver
57. [61]Brian Utterback General codebase,
Solaris issues
58. [62]Loganaden Velvindron Sandboxing
(libseccomp) support
59. [63]Paul A Vixie TrueTime GPS driver, generic
TrueTime clock driver
60. [64]Ulrich Windl corrected and
validated HTML documents according to the HTML DTD
__________________________________________________________________
References
1. mailto:%20takao_abe@xurb.jp
2. mailto:%20mark_andrews@isc.org
3. mailto:%20altmeier@atlsoft.de
4. mailto:%20vbais@mailman1.intel.co
5. mailto:%20kirkwood@striderfm.intel.com
6. mailto:%20michael.barone@lmco.com
7. mailto:%20karl@owl.HQ.ileaf.com
8. mailto:%20greg.brackley@bigfoot.com
9. mailto:%20Marc.Brett@westgeo.com
10. mailto:%20Piete.Brooks@cl.cam.ac.uk
11. mailto:%20nelson@bolyard.me
12. mailto:%20Jean-Francois.Boudreault@viagenie.qc.ca
13. mailto:%20reg@dwf.com
14. mailto:%20clift@ml.csiro.au
15. mailto:%20casey@csc.co.za
16. mailto:%20phdm@macqel.be
17. mailto:%20Sven_Dietrich@trimble.COM
18. mailto:%20dundas@salt.jpl.nasa.gov
19. mailto:%20duwe@immd4.informatik.uni-erlangen.de
20. mailto:%20dennis@mrbill.canet.ca
21. mailto:%20jhay@icomtek.csir.co.za
22. mailto:%20davehart@gmail.com
23. mailto:%20neoclock4x@linum.com
24. mailto:%20glenn@herald.usask.ca
25. mailto:%20iglesias@uci.edu
26. mailto:%20jagubox.gsfc.nasa.gov
27. mailto:%20jbj@chatham.usdesign.com
28. mailto:%20Hans.Lambermont@nl.origin-it.com
29. mailto:H.Lambermont@chello.nl
30. mailto:%20phk@FreeBSD.ORG
31. http://www4.informatik.uni-erlangen.de/%7ekardel
32. mailto:%20kardel%20%28at%29%20ntp%20%28dot%29%20org
33. mailto:kuehn@ntp.org
34. mailto:%20jones@hermes.chpc.utexas.edu
35. mailto:%20dkatz@cisco.com
36. mailto:%20leres@ee.lbl.gov
37. mailto:%20lindholm@ucs.ubc.ca
38. mailto:%20louie@ni.umd.edu
39. mailto:%20thorinn@diku.dk
40. mailto:%20mayer@ntp.org
41. mailto:%20mills@udel.edu
42. mailto:%20moeller@gwdgv1.dnet.gwdg.de
43. mailto:%20mogul@pa.dec.com
44. mailto:%20tmoore@fievel.daytonoh.ncr.com
45. mailto:%20kamal@whence.com
46. mailto:%20derek@toybox.demon.co.uk
47. mailto:%20d@hd.org
48. mailto:%20neal@ntp.org
49. mailto:%20Rainer.Pruy@informatik.uni-erlangen.de
50. mailto:%20dirce@zk3.dec.com
51. mailto:%20wsanchez@apple.com
52. mailto:%20mrapple@quack.kfu.com
53. mailto:%20jack@innovativeinternet.com
54. mailto:%20schnitz@unipress.com
55. mailto:%20shields@tembel.org
56. mailto:%20pebbles.jpl.nasa.gov
57. mailto:%20harlan@pfcs.com
58. mailto:%20ken@sdd.hp.com
59. mailto:%20ajit@ee.udel.edu
60. mailto:%20tsuruoka@nc.fukuoka-u.ac.jp
61. mailto:%20brian.utterback@oracle.com
62. mailto:%20loganaden@gmail.com
63. mailto:%20vixie@vix.com
64. mailto:%20Ulrich.Windl@rz.uni-regensburg.de