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slackware-current/source/n/ntp/ntp.conf
Patrick J Volkerding d31c50870d Slackware 14.2
Thu Jun 30 20:26:57 UTC 2016
Slackware 14.2 x86_64 stable is released!

The long development cycle (the Linux community has lately been living in
"interesting times", as they say) is finally behind us, and we're proud to
announce the release of Slackware 14.2.  The new release brings many updates
and modern tools, has switched from udev to eudev (no systemd), and adds
well over a hundred new packages to the system.  Thanks to the team, the
upstream developers, the dedicated Slackware community, and everyone else
who pitched in to help make this release a reality.

The ISOs are off to be replicated, a 6 CD-ROM 32-bit set and a dual-sided
32-bit/64-bit x86/x86_64 DVD.  Please consider supporting the Slackware
project by picking up a copy from store.slackware.com.  We're taking
pre-orders now, and offer a discount if you sign up for a subscription.

Have fun!  :-)
2018-05-31 23:31:18 +02:00

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# Sample /etc/ntp.conf: Configuration file for ntpd.
#
# Undisciplined Local Clock. This is a fake driver intended for backup
# and when no outside source of synchronized time is available. The
# default stratum is usually 3, but in this case we elect to use stratum
# 0. Since the server line does not have the prefer keyword, this driver
# is never used for synchronization, unless no other other
# synchronization source is available. In case the local host is
# controlled by some external source, such as an external oscillator or
# another protocol, the prefer keyword would cause the local host to
# disregard all other synchronization sources, unless the kernel
# modifications are in use and declare an unsynchronized condition.
#
server 127.127.1.0 # local clock
fudge 127.127.1.0 stratum 10
#
# NTP server (list one or more) to synchronize with:
#server 0.pool.ntp.org iburst
#server 1.pool.ntp.org iburst
#server 2.pool.ntp.org iburst
#server 3.pool.ntp.org iburst
#
# Drift file. Put this in a directory which the daemon can write to.
# No symbolic links allowed, either, since the daemon updates the file
# by creating a temporary in the same directory and then rename()'ing
# it to the file.
#
driftfile /etc/ntp/drift
#
# Uncomment to use a multicast NTP server on the local subnet:
#multicastclient 224.0.1.1 # listen on default 224.0.1.1
# Set an optional compensation for broadcast packet delay:
#broadcastdelay 0.008
#
# Keys file. If you want to diddle your server at run time, make a
# keys file (mode 600 for sure) and define the key number to be
# used for making requests.
# PLEASE DO NOT USE THE DEFAULT VALUES HERE. Pick your own, or remote
# systems might be able to reset your clock at will.
#
#keys /etc/ntp/keys
#trustedkey 65535
#requestkey 65535
#controlkey 65535
#
# Don't serve time or stats to anyone else by default (more secure)
restrict default limited kod nomodify notrap nopeer noquery
restrict -6 default limited kod nomodify notrap nopeer noquery
#
# Use these lines instead if you do want to serve time and stats to
# other machines on the network:
#restrict default limited kod nomodify notrap nopeer
#restrict -6 default limited kod nomodify notrap nopeer
#
# Disable the ntpdc -c monlist command, which is insecure and can be used
# to cause a denial of service attack (CVE-2013-5211). Future versions of
# NTP will remove this command.
# (this feature was disabled by default with ntpd 4.2.7p230)
disable monitor
#
# Trust ourselves. :-)
restrict 127.0.0.1
restrict ::1