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Copyright Notice

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pic/sheepb.jpg "Clone me," says Dolly sheepishly.

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 University of Delaware                                    *
*                                                                     *
* 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, Danny Mayer, and Martin
Burnicki is:

***********************************************************************
*                                                                     *
* Copyright Network Time Foundation                                   *
* 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 have contributed significantly to NTPsec:

  * Eric S. Raymond <esr@thyrsus.com> Massive code reduction/
    refactoring/hardening, documentation cleanup and update, new
    refclock configuration syntax.
  * Gary E. Miller <gem@rellim.com> Code ANSIfication, testing,
    ntpviz
  * Daniel Fox Franke <dfranke@dfranke.us> CVE fixes, protocol
    machine refactoring.
  * Hal Murray <hmurray@megapathdsl.net> Code cleanups, bug hunting,
    sage advice.
  * Amar Takhar <verm@darkbeer.org> waf build recipe.
  * Matt Selsky <matthew.selsky@twosigma.com> Documentation
    corrections, compiler warning and port cleanup.

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

  * Takao Abe <takao_abe@xurb.jp> Clock driver for JJY receivers
  * Karl Berry <karl@owl.HQ.ileaf.com> syslog to file option
  * Marc Brett <Marc.Brett@westgeo.com> Magnavox GPS clock driver
    (removed in NTPsec)
  * Piete Brooks <Piete.Brooks@cl.cam.ac.uk> Trimble PARSE support
  * Nelson B Bolyard <nelson@bolyard.me> update and complete
    broadcast and crypto features in sntp
  * Jean-Francois Boudreault
    <Jean-Francois.Boudreault@viagenie.qc.ca> IPv6 support
  * Reg Clemens <reg@dwf.com> Oncore driver (Current maintainer)
  * Sven Dietrich <sven_dietrich@trimble.com> Palisade reference
    clock driver
  * Torsten Duwe <duwe@immd4.informatik.uni-erlangen.de> Linux port
  * Dennis Ferguson <dennis@mrbill.canet.ca> foundation code for NTP
    Version 2 as specified in RFC 1119
  * John Hay <jhay@icomtek.csir.co.za> IPv6 support and testing
  * Dave Hart <davehart@davehart.com> General maintenance
  * Glenn Hollinger <glenn@herald.usask.ca> GOES clock driver
    (removed in NTPsec)
  * Jeff Johnson <jbj@chatham.usdesign.com> massive prototyping
    overhaul
  * Hans Lambermont <Hans.Lambermont@nl.origin-it.com> or
    <H.Lambermont@chello.nl> ntpsweep
  * Poul-Henning Kamp <phk@FreeBSD.ORG> Oncore driver (Original
    author)
  * Frank Kardel <kardel (at) ntp (dot) org> PARSE <GENERIC> (driver
    14 reference clocks), STREAMS modules for PARSE, support scripts,
    syslog cleanup, dynamic interface handling
  * Johannes Maximilian Kuehn <kuehn@ntp.org> Rewrote sntp to comply
    with NTPv4 specification
  * Craig Leres <leres@ee.lbl.gov> 4.4BSD port, ppsclock, Magnavox
    GPS clock driver
  * Louis A. Mamakos <louie@ni.umd.edu> MD5-based authentication
  * Lars H. Mathiesen <thorinn@diku.dk> adaptation of foundation code
    for Version 3 as specified in RFC 1305
  * Danny Mayer <mayer@ntp.org>Network I/O, Windows Port, Code
    Maintenance
  * David L. Mills <mills@udel.edu> Version 4 foundation, precision
    kernel; clock drivers: 1, 3, 4, 6, 7, 11, 13, 18, 19, 22, 36
  * Jeffrey Mogul <mogul@pa.dec.com> ntptrace utility
  * Rob Neal <neal@ntp.org> config/parse code maintenance
  * Jack Sasportas <jack@innovativeinternet.com> Saved a Lot of space
    on the stuff in the html/pic/ subdirectory
  * Michael Shields <shields@tembel.org> USNO clock driver
  * Harlan Stenn <harlan@pfcs.com> General maintenance (see the
    ChangeLog)
  * Ajit Thyagarajan <ajit@ee.udel.edu>IP multicast/anycast support
  * Brian Utterback <brian.utterback@oracle.com> General codebase
  * Loganaden Velvindron <loganaden@gmail.com> Sandboxing
    (libseccomp) support
  * Paul A Vixie <vixie@vix.com> TrueTime GPS driver, generic
    TrueTime clock driver

The following people contributed code to NTP Classic which has since
been removed:

  * Mark Andrews <mark_andrews@isc.org> Leitch atomic clock
    controller
  * Bernd Altmeier <altmeier@atlsoft.de> hopf Elektronik serial line
    and PCI-bus devices
  * Viraj Bais <vbais@mailman1.intel.com> and Clayton Kirkwood
    <kirkwood@striderfm.intel.com> port to WindowsNT 3.5
  * Michael Barone <michael,barone@lmco.com> GPSVME fixes
  * Greg Brackley <greg.brackley@bigfoot.com> Major rework of WINNT
    port. Clean up recvbuf and iosignal code into separate modules.
  * Piete Brooks <Piete.Brooks@cl.cam.ac.uk> MSF clock driver
  * Steve Clift <clift@ml.csiro.au> OMEGA clock driver
  * Casey Crellin <casey@csc.co.za> vxWorks (Tornado) port and help
    with target configuration
  * Sven Dietrich <sven_dietrich@trimble.com> NT adj. residuals,
    integrated Greg’s Winnt port.
  * John A. Dundas III <dundas@salt.jpl.nasa.gov> Apple A/UX port
  * Dave Hart <davehart@davehart.com> Windows port interpolation
    rewrite
  * Mike Iglesias <iglesias@uci.edu> DEC Alpha port
  * Jim Jagielski <jim@jagubox.gsfc.nasa.gov> A/UX port
  * Johannes Maximilian Kuehn <kuehn@ntp.org> ntpq saveconfig
  * William L. Jones <jones@hermes.chpc.utexas.edu> RS/6000 AIX
    modifications, HPUX modifications
  * Dave Katz <dkatz@cisco.com> RS/6000 AIX port
  * George Lindholm <lindholm@ucs.ubc.ca> SunOS 5.1 port
  * Wolfgang Moeller <moeller@gwdgv1.dnet.gwdg.de> VMS port
  * Tom Moore <tmoore@fievel.daytonoh.ncr.com> i386 svr4 port
  * Kamal A Mostafa <kamal@whence.com> SCO OpenServer port
  * Derek Mulcahy <derek@toybox.demon.co.uk> and Damon Hart-Davis
    <d@hd.org> ARCRON MSF clock driver
  * Rob Neal <neal@ntp.org> Bancomm refclock
  * Rainer Pruy <Rainer.Pruy@informatik.uni-erlangen.de> monitoring/
    trap scripts, statistics file handling
  * Dirce Richards <dirce@zk3.dec.com> Digital UNIX V4.0 port
  * Wilfredo Sánchez <wsanchez@apple.com> added support for NetInfo
  * Nick Sayer <mrapple@quack.kfu.com> SunOS streams modules
  * Ray Schnitzler <schnitz@unipress.com> Unixware1 port
  * Jeff Steinman <jss@pebbles.jpl.nasa.gov> Datum PTS clock driver
  * Harlan Stenn <harlan@pfcs.com> GNU automake/autoconfigure
    makeover
  * Kenneth Stone <ken@sdd.hp.com> HP-UX port
  * Tomoaki TSURUOKA <tsuruoka@nc.fukuoka-u.ac.jp>TRAK clock driver
  * Brian Utterback <brian.utterback@oracle.com> Solaris issues
  * Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de> corrected and
    validated HTML documents according to the HTML DTD

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