84 lines
2.9 KiB
Plaintext
84 lines
2.9 KiB
Plaintext
# $NetBSD: ntp.conf,v 1.8 2003/12/07 16:11:58 fredb Exp $
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#
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# NetBSD default Network Time Protocol (NTP) configuration file for ntpd
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# This file is intended to be both a usable default, and a Quick-Start
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# Guide. The directives and options listed here are not at all complete.
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# A great deal of additional documention, including links to FAQS and
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# other guides, may be found on the official NTP web site, in particular
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#
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# http://www.ntp.org/documentation.html
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#
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# Process ID file, so that the daemon can be signalled from scripts
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pidfile /var/run/ntpd.pid
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# The correction calculated by ntpd(8) for the local system clock's
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# drift is stored here.
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driftfile /var/db/ntp.drift
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# Suppress the syslog(3) message for each peer synchronization change.
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logconfig -syncstatus
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# This will help minimize disruptions due to network congestion. Don't
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# do this if you configure only one server!
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tos minsane 2
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# Hereafter should be "server" or "peer" statements to configure other
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# hosts to exchange NTP packets with. Peers should be selected in such
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# a way that the network path to them is symmetric (that is, the series
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# of links and routers used to get to the peer is the same one that the
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# peer uses to get back. NTP assumes such symmetry in its network delay
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# calculation. NTP will apply an incorrect adjustment to timestamps
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# received from the peer if the path is not symmetric. This can result
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# in clock skew (your system clock being maintained consistently wrong
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# by a certain amount).
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#
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# The best way to select symmetric peers is to make sure that the
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# network path to them is as short as possible (this reduces the chance
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# that there is more than one network path between you and your peer).
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# You can measure these distances with the traceroute(8) program. The
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# best place to start looking for NTP peers for your system is within
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# your own network, or at your Internet Service Provider (ISP).
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#
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# Ideally, you should select at least three other systems to talk NTP
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# with, for an "what I tell you three times is true" effect.
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#
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#peer an.ntp.peer.goes.here
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#server an.ntp.server.goes.here
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# Public servers from the pool.ntp.org project. Volunteer's servers
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# are dynamically assigned to the CNAMES below via DNS round-robin.
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# The pool.ntp.org project needs more volunteers! The only criteria to
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# join are a nailed-up connection and a static IP address. For details,
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# see the web page:
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#
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# http://www.pool.ntp.org/
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#
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# The country codes can help you find servers that are net-wise close.
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# As explained above, closer is better...
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# Northern U.S.A
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#server ca.pool.ntp.org
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#server us.pool.ntp.org
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#server us.pool.ntp.org
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# Northern Europe
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#server de.pool.ntp.org
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#server de.pool.ntp.org
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#server dk.pool.ntp.org
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# Depending on the vagaries of DNS can occasionally pull in the same
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# server twice. The following CNAMES are guaranteed to be disjoint, at
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# least over some short interval.
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server 0.pool.ntp.org
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server 1.pool.ntp.org
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server 2.pool.ntp.org
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