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86 lines
2.9 KiB
Django/Jinja
86 lines
2.9 KiB
Django/Jinja
# For more information about this file, see the man pages
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# ntp.conf(5), ntp_acc(5), ntp_auth(5), ntp_clock(5), ntp_misc(5), ntp_mon(5).
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driftfile /var/lib/ntp/drift
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# Permit time synchronization with our time source, but do not
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# permit the source to query or modify the service on this system.
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restrict default nomodify notrap nopeer noquery
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# Permit all access over the loopback interface. This could
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# be tightened as well, but to do so would effect some of
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# the administrative functions.
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restrict 127.0.0.1
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restrict ::1
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# Hosts on local network are less restricted.
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#restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
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# Use public servers from the pool.ntp.org project.
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# Please consider joining the pool (http://www.pool.ntp.org/join.html).
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{% if ntp_define_servers_pool %}
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{% for pool_ip in ntp_servers_pool %}
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server {{ pool_ip }} prefer iburst
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{% endfor %}
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{% else %}
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server 0.centos.pool.ntp.org iburst
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server 1.centos.pool.ntp.org iburst
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server 2.centos.pool.ntp.org iburst
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server 3.centos.pool.ntp.org iburst
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{% endif %}
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# Clients from this (example!) subnet have unlimited access, but only if
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# cryptographically authenticated.
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{% if nagios_monitoring_server_ip is defined %}
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{% for ip in nagios_monitoring_server_ip %}
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restrict {{ ip }} mask 255.255.255.255 notrap nomodify
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{% endfor %}
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{% endif %}
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{% if ntp_allow_external_clients %}
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{% for host in ntp_allowed_clients %}
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restrict {{ host.ip }} mask {{ host.netmask }} {% if host.options is defined %}{{ host.options }}{% else %}notrap nomodify{% endif %}
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{% endfor %}
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{% endif %}
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#broadcast 192.168.1.255 autokey # broadcast server
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#broadcastclient # broadcast client
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#broadcast 224.0.1.1 autokey # multicast server
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#multicastclient 224.0.1.1 # multicast client
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#manycastserver 239.255.254.254 # manycast server
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#manycastclient 239.255.254.254 autokey # manycast client
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# Enable public key cryptography.
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#crypto
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includefile /etc/ntp/crypto/pw
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# Key file containing the keys and key identifiers used when operating
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# with symmetric key cryptography.
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keys /etc/ntp/keys
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# Specify the key identifiers which are trusted.
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#trustedkey 4 8 42
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# Specify the key identifier to use with the ntpdc utility.
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#requestkey 8
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# Specify the key identifier to use with the ntpq utility.
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#controlkey 8
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# Enable writing of statistics records.
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{% if ntp_statistics_enabled %}
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statsdir /var/log/ntpstats/
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statistics clockstats cryptostats loopstats peerstats
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filegen loopstats file loopstats type day enable
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filegen peerstats file peerstats type day enable
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filegen clockstats file clockstats type day enable
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{% endif %}
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# Disable the monitoring facility to prevent amplification attacks using ntpdc
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# monlist command when default restrict does not include the noquery flag. See
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# CVE-2013-5211 for more details.
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# Note: Monitoring will not be disabled with the limited restriction flag.
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disable monitor
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