# For more information about this file, see the man pages
# ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).

# 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 /var/lib/ntp/drift

# This command loads the NIST leapseconds file and initializes the leapsecond
# values for the next leapsecond time, expiration time and TAI offset. The file
# can be obtained directly from NIST national time servers using ftp as the
# ASCII file pub/leap-seconds.
leapfile /etc/ntp/ntp.leapseconds

# Permit time synchronization with our time source, but do not
# permit the source to query or modify the service on this system.
restrict default kod limited nomodify notrap nopeer noquery
restrict -6 default kod limited nomodify notrap nopeer noquery

# Permit all access over the loopback interface.  This could
# be tightened as well, but to do so would effect some of
# the administrative functions.
restrict 127.0.0.1
restrict -6 ::1

# Hosts on local network are less restricted.
#restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap

# restrict default ignore
# restrict ntp.example.com noquery noserve
# restrict ntp.example.net noquery noserve
# restrict 127.0.0.1
# restrict 127.127.1.0

# 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

# multicastclient 224.0.1.1 # listen on default 224.0.1.1
broadcastdelay 0.008

#
# Authentication delay.  If you use, or plan to use someday, the
# authentication facility you should make the programs in the auth_stuff
# directory and figure out what this number should be on your machine.
disable auth

# Key file containing the keys and key identifiers used when operating
# with symmetric key cryptography.
#keys /etc/ntp/keys

# Specify the key identifiers which are trusted.
#trustedkey 4 8 42

# Specify the key identifier to use with the ntpdc utility.
#requestkey 8

# Specify the key identifier to use with the ntpq utility.
#controlkey 8

# Enable writing of statistics records.
#statistics clockstats cryptostats loopstats peerstats

# NTP pool project. See: http://www.pool.ntp.org/
pool pool.ntp.org