1 # /etc/ntp.conf, configuration for ntpd; see ntp.conf(5) for help
3 driftfile /var/lib/ntp/ntp.drift
6 # Enable this if you want statistics to be logged.
7 #statsdir /var/log/ntpstats/
9 statistics loopstats peerstats clockstats
10 filegen loopstats file loopstats type day enable
11 filegen peerstats file peerstats type day enable
12 filegen clockstats file clockstats type day enable
14 # Specify one or more NTP servers.
16 # Use servers from the NTP Pool Project. Approved by Ubuntu Technical Board
17 # on 2011-02-08 (LP: #104525). See http://www.pool.ntp.org/join.html for
19 server {{ NTP_SERVER_LOCAL }}
20 server 0.ubuntu.pool.ntp.org
21 server 1.ubuntu.pool.ntp.org
22 server 2.ubuntu.pool.ntp.org
23 server 3.ubuntu.pool.ntp.org
25 # Use Ubuntu's ntp server as a fallback.
28 # Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for
29 # details. The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions>
30 # might also be helpful.
32 # Note that "restrict" applies to both servers and clients, so a configuration
33 # that might be intended to block requests from certain clients could also end
34 # up blocking replies from your own upstream servers.
36 # By default, exchange time with everybody, but don't allow configuration.
37 restrict -4 default kod notrap nomodify nopeer noquery
38 restrict -6 default kod notrap nomodify nopeer noquery
40 # Local users may interrogate the ntp server more closely.
44 # Clients from this (example!) subnet have unlimited access, but only if
45 # cryptographically authenticated.
46 #restrict 192.168.123.0 mask 255.255.255.0 notrust
49 # If you want to provide time to your local subnet, change the next line.
50 # (Again, the address is an example only.)
51 #broadcast 192.168.123.255
53 # If you want to listen to time broadcasts on your local subnet, de-comment the
54 # next lines. Please do this only if you trust everybody on the network!