ntpd: Support IPv6-only hosts
0.pool.* returns only IPv4 addresses. 2.pool.* returns both, IPv6 and IPv4 addresses. conservatively extend our IPv4 only pool configuration by adding a second pool, which also returns IPv6 addresses. PR: 270536 Reported by: Lapo Luchini <lapo@lapo.it> MFC after: 3 days Pull Request: https://github.com/freebsd/freebsd-src/pull/731 Differential Revision: https://reviews.freebsd.org/D39954
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@ -20,24 +20,27 @@
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tos minclock 3 maxclock 6
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tos minclock 3 maxclock 6
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#
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#
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# The following pool statement will give you a random set of NTP servers
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# The following pool statements will give you a random set of IPv4 and IPv6
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# geographically close to you. A single pool statement adds multiple
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# NTP servers geographically close to you. A single pool statement adds
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# servers from the pool, according to the tos minclock/maxclock targets.
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# multiple servers from the pool, according to the tos minclock/maxclock
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# targets.
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# See http://www.pool.ntp.org/ for details. Note, pool.ntp.org encourages
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# See http://www.pool.ntp.org/ for details. Note, pool.ntp.org encourages
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# users with a static IP and good upstream NTP servers to add a server
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# users with a static IP and good upstream NTP servers to add a server
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# to the pool. See http://www.pool.ntp.org/join.html if you are interested.
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# to the pool. See http://www.pool.ntp.org/join.html if you are interested.
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#
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#
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# The option `iburst' is used for faster initial synchronization.
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# The option `iburst' is used for faster initial synchronization.
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#
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#
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pool 0.freebsd.pool.ntp.org iburst
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pool 0.freebsd.pool.ntp.org iburst
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pool 2.freebsd.pool.ntp.org iburst
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#
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#
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# If you want to pick yourself which country's public NTP server
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# If you want to pick yourself which country's public NTP server
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# you want to sync against, comment out the above pool, uncomment
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# you want to sync against, comment out the above pool statements,
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# the next one, and replace CC with the country's abbreviation.
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# uncomment the next ones, and replace CC with the country's abbreviation.
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# Make sure that the hostname resolves to a proper IP address!
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# Make sure that the hostnames resolves to a proper IP address!
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#
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#
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# pool 0.CC.pool.ntp.org iburst
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# pool 0.CC.pool.ntp.org iburst
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# pool 2.CC.pool.ntp.org iburst
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#
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#
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# To configure a specific server, such as an organization-wide local
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# To configure a specific server, such as an organization-wide local
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