| 1 | # For more information about this file, see the man pages | 
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| 2 | # ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5). | 
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| 3 |  | 
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| 4 | driftfile /var/lib/ntp/drift | 
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| 5 |  | 
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| 6 | # Permit time synchronization with our time source, but do not | 
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| 7 | # permit the source to query or modify the service on this system. | 
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| 8 | restrict default kod nomodify notrap nopeer noquery | 
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| 9 | restrict -6 default kod nomodify notrap nopeer noquery | 
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| 10 |  | 
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| 11 | # Permit all access over the loopback interface.  This could | 
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| 12 | # be tightened as well, but to do so would effect some of | 
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| 13 | # the administrative functions. | 
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| 14 | restrict 127.0.0.1  | 
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| 15 | restrict -6 ::1 | 
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| 16 |  | 
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| 17 | # Hosts on local network are less restricted. | 
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| 18 | #restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap | 
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| 19 |  | 
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| 20 | # Use public servers from the pool.ntp.org project. | 
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| 21 | # Please consider joining the pool (http://www.pool.ntp.org/join.html). | 
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| 22 | #server 0.fedora.pool.ntp.org iburst | 
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| 23 | #server 1.fedora.pool.ntp.org iburst | 
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| 24 | #server 2.fedora.pool.ntp.org iburst | 
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| 25 | #server 3.fedora.pool.ntp.org iburst | 
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| 26 |  | 
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| 27 | server time.mit.edu | 
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| 28 | server tick.mit.edu | 
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| 29 |  | 
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| 30 | #broadcast 192.168.1.255 autokey        # broadcast server | 
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| 31 | #broadcastclient                        # broadcast client | 
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| 32 | #broadcast 224.0.1.1 autokey            # multicast server | 
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| 33 | #multicastclient 224.0.1.1              # multicast client | 
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| 34 | #manycastserver 239.255.254.254         # manycast server | 
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| 35 | #manycastclient 239.255.254.254 autokey # manycast client | 
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| 36 |  | 
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| 37 | # Enable public key cryptography. | 
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| 38 | #crypto | 
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| 39 |  | 
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| 40 | includefile /etc/ntp/crypto/pw | 
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| 41 |  | 
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| 42 | # Key file containing the keys and key identifiers used when operating | 
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| 43 | # with symmetric key cryptography.  | 
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| 44 | keys /etc/ntp/keys | 
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| 45 |  | 
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| 46 | # Specify the key identifiers which are trusted. | 
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| 47 | #trustedkey 4 8 42 | 
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| 48 |  | 
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| 49 | # Specify the key identifier to use with the ntpdc utility. | 
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| 50 | #requestkey 8 | 
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| 51 |  | 
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| 52 | # Specify the key identifier to use with the ntpq utility. | 
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| 53 | #controlkey 8 | 
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| 54 |  | 
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| 55 | # Enable writing of statistics records. | 
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| 56 | #statistics clockstats cryptostats loopstats peerstats | 
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