OpenNTPD 5.7p1 Released

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OpenNTPD 5.7p1 Released

Brent Cook
OpenNTPD 5.7p1 has just been released. It will be available from the mirrors
listed at shortly.

OpenNTPD is a FREE, secure, and easy to use implementation of the Network Time
Protocol. It provides the ability to sync the local clock to remote NTP servers
and can act as NTP server itself, redistributing the local clock.

Changes since OpenNTPD 3.9p1

After a long hiatus, the latest version of OpenNTPD is available once again in
a portable release.

 * Support for a new build infrastructure based on the LibreSSL framework.
   Source code is integrated directly from the OpenBSD tree with few manual
   changes, easing maintenance.
 * Removed support for several OSes pending test reports and updated
   portability code.
 * Supports the Simple Network Time Protocol version 4 as described in RFC 5905
 * Added route virtualization (rdomain) support.
 * Added ntpctl(8), which allows for querying ntpd(8) at runtime.
 * Finer-grained clock adjustment via adjfreq / ntp_adjtime where available.
 * Improved latency on heavily-loaded machines.

For detailed changes, see either the OpenBSD CVS repository:

 or the GitHub mirror:


SHA1 (openntpd-5.7p1.tar.gz) = 879972965cffbe49196b15e7d1ba680d4ca05baf
SHA256 (openntpd-5.7p1.tar.gz) = 071cfdcfc179c481568a2b8262945243a3123abfc7fa8831da1bbff3729b8307

Reporting Bugs:

General bugs may be reported to [hidden email]

Portable bugs may be filed at:

Thanks to all who helped develop and test this new release.
Bug reports, feedback and patches are welcome.