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# /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
driftfile /var/lib/ntp/ntp.drift
# Enable this if you want statistics to be logged.
#statsdir /var/log/ntpstats/
statistics loopstats peerstats clockstats
filegen loopstats file loopstats type day enable
filegen peerstats file peerstats type day enable
filegen clockstats file clockstats type day enable
# You do need to talk to an NTP server or two (or three).
{% if 'NTP-master' in group_names %}
# Use Stratum One Time Servers:
# http://support.ntp.org/bin/view/Servers/StratumOneTimeServers
server sth1.ntp.se iburst
server sth2.ntp.se iburst
server gbg1.ntp.se iburst
server gbg2.ntp.se iburst
server ntp1.sp.se iburst
server ntp2.sp.se iburst
{% else %}
# Sychronize to our (stratum 2) NTP server, to ensure our network has a
# consistent time.
{% for host in groups['NTP-master'] | sort %}
server {{ ipsec[ hostvars[host].inventory_hostname_short ] }} prefer iburst
{% endfor %}
pool 0.{{ geoip | default('debian') }}.pool.ntp.org iburst
pool 1.{{ geoip | default('debian') }}.pool.ntp.org iburst
pool 2.{{ geoip | default('debian') }}.pool.ntp.org iburst
pool 3.{{ geoip | default('debian') }}.pool.ntp.org iburst
{% endif %}
# Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for
# details. The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions>
# might also be helpful.
#
# Note that "restrict" applies to both servers and clients, so a configuration
# that might be intended to block requests from certain clients could also end
# up blocking replies from your own upstream servers.
# By default, exchange time with everybody, but don't allow configuration.
restrict -4 default kod notrap nomodify nopeer noquery limited
restrict -6 default kod notrap nomodify nopeer noquery limited
# Local users may interrogate the ntp server more closely.
restrict 127.0.0.1
restrict ::1
# Needed for adding pool entries
restrict source notrap nomodify noquery
# Clients from this (example!) subnet have unlimited access, but only if
# cryptographically authenticated.
#restrict 192.168.123.0 mask 255.255.255.0 notrust
# If you want to provide time to your local subnet, change the next line.
# (Again, the address is an example only.)
#broadcast 192.168.123.255
# If you want to listen to time broadcasts on your local subnet, de-comment the
# next lines. Please do this only if you trust everybody on the network!
#disable auth
#broadcastclient
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