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9<h3>Copyright Notice</h3>
10<img src="pic/sheepb.jpg" alt="jpg" align="left"> "Clone me," says Dolly sheepishly.
11<p>Last update:
12  <!-- #BeginDate format:En2m -->7-Jan-2024  00:29<!-- #EndDate -->
13    UTC</p>
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15</p>
16<hr>
17<p>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.</p>
18<pre>
19***********************************************************************
20*                                                                     *
21* Copyright (c) University of Delaware 1992-2015                      *
22*                                                                     *
23* Permission to use, copy, modify, and distribute this software and   *
24* its documentation for any purpose with or without fee is hereby     *
25* granted, provided that the above copyright notice appears in all    *
26* copies and that both the copyright notice and this permission       *
27* notice appear in supporting documentation, and that the name        *
28* University of Delaware not be used in advertising or publicity      *
29* pertaining to distribution of the software without specific,        *
30* written prior permission. The University of Delaware makes no       *
31* representations about the suitability this software for any         *
32* purpose. It is provided &quot;as is&quot; without express or implied          *
33* warranty.                                                           *
34*                                                                     *
35***********************************************************************
36</pre>
37<p>Content starting in 2011 from Harlan Stenn, Juergen Perlinger, Dave Hart, Danny Mayer, Martin Burnicki, and possibly others is:</p>
38<pre>
39***********************************************************************
40*                                                                     *
41* Copyright (c) Network Time Foundation 2011-2024                     *
42*                                                                     *
43* All Rights Reserved                                                 *
44*                                                                     *
45* Redistribution and use in source and binary forms, with or without  *
46* modification, are permitted provided that the following conditions  *
47* are met:                                                            *
48* 1. Redistributions of source code must retain the above copyright   *
49*    notice, this list of conditions and the following disclaimer.    *
50* 2. Redistributions in binary form must reproduce the above          *
51*    copyright notice, this list of conditions and the following      *
52*    disclaimer in the documentation and/or other materials provided  *
53*    with the distribution.                                           *
54*                                                                     *
55* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS  *
56* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED   *
57* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  *
58* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE    *
59* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
60* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT   *
61* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR  *
62* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF          *
63* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           *
64* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE   *
65* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH    *
66* DAMAGE.                                                             *
67***********************************************************************
68</pre>
69<p>The following individuals contributed in part to the Network Time Protocol Distribution Version 4 and are acknowledged as authors of this work.</p>
70<ol>
71  <li><a href="mailto:%[email protected]">Takao Abe &lt;[email protected]&gt;</a> Clock driver for JJY receivers</li>
72  <li><a href="mailto:%[email protected]">Mark Andrews &lt;[email protected]&gt;</a> Leitch atomic clock controller</li>
73  <li><a href="mailto:%[email protected]">Bernd Altmeier &lt;[email protected]&gt;</a> hopf Elektronik serial line and PCI-bus devices</li>
74  <li><a href="mailto:%[email protected]">Viraj Bais &lt;[email protected]&gt;</a> and <a href="mailto:%[email protected]">Clayton Kirkwood &lt;[email protected]&gt;</a> port to WindowsNT 3.5</li>
75  <li><a href="mailto:%[email protected]">Michael Barone &lt;michael,[email protected]&gt;</a> GPSVME fixes</li>
76  <li><a href="mailto:%[email protected]">Karl Berry &lt;[email protected]&gt;</a> syslog to file option</li>
77  <li><a href="mailto:%[email protected]">Greg Brackley &lt;[email protected]&gt;</a> Major rework of WINNT port. Clean up recvbuf and iosignal code into separate modules.</li>
78  <li><a href="mailto:%[email protected]">Marc Brett &lt;[email protected]&gt;</a> Magnavox GPS clock driver</li>
79  <li><a href="mailto:%[email protected]">Piete Brooks &lt;[email protected]&gt;</a> MSF clock driver, Trimble PARSE support</li>
80  <li><a href="mailto:%[email protected]">Nelson B Bolyard &lt;[email protected]&gt;</a> update and complete broadcast and crypto features in sntp</li>
81  <li><a href="mailto:%[email protected]">Jean-Francois Boudreault &lt;[email protected]&gt;</a> IPv6 support</li>
82  <li><a href="mailto:%[email protected]">Reg Clemens &lt;[email protected]&gt;</a> Oncore driver (Current maintainer)</li>
83  <li><a href="mailto:%[email protected]">Steve Clift &lt;[email protected]&gt;</a> OMEGA clock driver</li>
84  <li><a href="mailto:%[email protected]">Casey Crellin &lt;[email protected]&gt;</a> vxWorks (Tornado) port and help with target configuration</li>
85  <li><a href="mailto:%[email protected]">Philippe De Muyter &lt;[email protected]&gt;</a> Wharton reference clock driver, sysV68 and AIX modifications.</li>
86  <li><a href="mailto:%[email protected]">Sven Dietrich &lt;[email protected]&gt;</a> Palisade reference clock driver, NT adj. residuals, integrated Greg's Winnt port.</li>
87  <li><a href="mailto:%[email protected]">John A. Dundas III &lt;[email protected]&gt;</a> Apple A/UX port</li>
88  <li><a href="mailto:%[email protected]">Torsten Duwe &lt;[email protected]&gt;</a> Linux port</li>
89  <li><a href="mailto:%[email protected]">Dennis Ferguson &lt;[email protected]&gt;</a> foundation code for NTP Version 2 as specified in RFC-1119</li>
90  <li><a href="mailto:%[email protected]">John Hay &lt;[email protected]&gt;</a> IPv6 support and testing</li>
91  <li><a href="mailto:%[email protected]">Dave Hart &lt;[email protected]&gt;</a> General maintenance, IPv6 cleanup, Windows PPSAPI</li>
92  <li><a href="mailto:%[email protected]">Claas Hilbrecht &lt;[email protected]&gt;</a> NeoClock4X clock driver</li>
93  <li><a href="mailto:%[email protected]">Glenn Hollinger &lt;[email protected]&gt;</a> GOES clock driver</li>
94  <li><a href="mailto:%[email protected]">Mike Iglesias &lt;[email protected]&gt;</a> DEC Alpha port</li>
95  <li><a href="mailto:%20jagubox.gsfc.nasa.gov">Jim Jagielski &lt;[email protected]&gt;</a> A/UX port</li>
96  <li><a href="mailto:%[email protected]">Jeff Johnson &lt;[email protected]&gt;</a> massive prototyping overhaul</li>
97  <li><a href="mailto:%[email protected]">Hans Lambermont &lt;[email protected]&gt;</a> or <a href="mailto:[email protected]">&lt;[email protected]&gt;</a> ntpsweep</li>
98  <li><a href="mailto:%[email protected]">Poul-Henning Kamp &lt;[email protected]&gt;</a> Oncore driver (Original author)</li>
99  <li><a href="http://www4.informatik.uni-erlangen.de/%7ekardel">Frank Kardel</a> <a href="mailto:%20kardel%20%28at%29%20ntp%20%28dot%29%20org">&lt;kardel (at) ntp (dot) org&gt;</a> PARSE &lt;GENERIC&gt; (driver 14 reference clocks), STREAMS modules for PARSE, support scripts, syslog cleanup, dynamic interface handling</li>
100  <li><a href="mailto:[email protected]">Johannes Maximilian Kuehn &lt;[email protected]&gt;</a> Rewrote <tt>sntp</tt> to comply with NTPv4 specification, <tt>ntpq saveconfig</tt></li>
101  <li><a href="mailto:%[email protected]">William L. Jones &lt;[email protected]&gt;</a> RS/6000 AIX modifications, HPUX modifications</li>
102  <li><a href="mailto:%[email protected]">Dave Katz &lt;[email protected]&gt;</a> RS/6000 AIX port</li>
103  <li><a href="mailto:%[email protected]">Craig Leres &lt;[email protected]&gt;</a> 4.4BSD port, ppsclock, Magnavox GPS clock driver</li>
104  <li><a href="mailto:%[email protected]">George Lindholm &lt;[email protected]&gt;</a> SunOS 5.1 port</li>
105  <li><a href="mailto:%[email protected]">Louis A. Mamakos &lt;[email protected]&gt;</a> MD5-based authentication</li>
106  <li><a href="mailto:%[email protected]">Lars H. Mathiesen &lt;[email protected]&gt;</a> adaptation of foundation code for Version 3 as specified in RFC-1305</li>
107  <li><a href="mailto:%[email protected]">Danny Mayer &lt;[email protected]&gt;</a>Network I/O, Windows Port, Code Maintenance</li>
108  <li><a href="mailto:%[email protected]">David L. Mills &lt;[email protected]&gt;</a> Version 4 foundation, precision kernel; clock drivers: 1, 3, 4, 6, 7, 11, 13, 18, 19, 22, 36</li>
109  <li><a href="mailto:%[email protected]">Wolfgang Moeller &lt;[email protected]&gt;</a> VMS port</li>
110  <li><a href="mailto:%[email protected]">Jeffrey Mogul &lt;[email protected]&gt;</a> ntptrace utility</li>
111  <li><a href="mailto:%[email protected]">Tom Moore &lt;[email protected]&gt;</a> i386 svr4 port</li>
112  <li><a href="mailto:%[email protected]">Kamal A Mostafa &lt;[email protected]&gt;</a> SCO OpenServer port</li>
113  <li><a href="mailto:%[email protected]">Derek Mulcahy &lt;[email protected]&gt;</a> and <a href="mailto:%[email protected]">Damon Hart-Davis &lt;[email protected]&gt;</a> ARCRON MSF clock driver</li>
114  <li><a href="mailto:%[email protected]">Rob Neal &lt;[email protected]&gt;</a> Bancomm refclock and config/parse code maintenance</li>
115  <li><a href="mailto:%[email protected]">Rainer Pruy &lt;[email protected]&gt;</a> monitoring/trap scripts, statistics file handling</li>
116  <li><a href="mailto:%[email protected]">Dirce Richards &lt;[email protected]&gt;</a> Digital UNIX V4.0 port</li>
117  <li><a href="mailto:%[email protected]">Wilfredo S&aacute;nchez &lt;[email protected]&gt;</a> added support for NetInfo</li>
118  <li><a href="mailto:%[email protected]">Nick Sayer &lt;[email protected]&gt;</a> SunOS streams modules</li>
119  <li><a href="mailto:%[email protected]">Jack Sasportas &lt;[email protected]&gt;</a> Saved a Lot of space on the stuff in the html/pic/ subdirectory</li>
120  <li><a href="mailto:%[email protected]">Ray Schnitzler &lt;[email protected]&gt;</a> Unixware1 port</li>
121  <li><a href="mailto:%[email protected]">Michael Shields &lt;[email protected]&gt;</a> USNO clock driver</li>
122  <li><a href="mailto:%20pebbles.jpl.nasa.gov">Jeff Steinman &lt;[email protected]&gt;</a> Datum PTS clock driver</li>
123  <li><a href="mailto:%[email protected]">Harlan Stenn &lt;[email protected]&gt;</a> GNU automake/autoconfigure makeover, various other bits (see the ChangeLog)</li>
124  <li><a href="mailto:%[email protected]">Kenneth Stone &lt;[email protected]&gt;</a> HP-UX port</li>
125  <li><a href="mailto:%[email protected]">Ajit Thyagarajan &lt;[email protected]&gt;</a>IP multicast/anycast support</li>
126  <li><a href="mailto:%[email protected]">Tomoaki TSURUOKA &lt;[email protected]&gt;</a>TRAK clock driver</li>
127  <li><a href="mailto:%[email protected]">Brian Utterback &lt;[email protected]&gt;</a> General codebase, Solaris issues</li>
128  <li><a href="mailto:%[email protected]">Loganaden Velvindron &lt;[email protected]&gt;</a> Sandboxing (libseccomp) support</li>
129  <li><a href="mailto:%[email protected]">Paul A Vixie &lt;[email protected]&gt;</a> TrueTime GPS driver, generic TrueTime clock driver</li>
130  <li><a href="mailto:%[email protected]">Ulrich Windl &lt;[email protected]&gt;</a> corrected and validated HTML documents according to the HTML DTD</li>
131</ol>
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