[ntp:questions] Ignore leap second announcement on NTP

Dave Hart hart at ntp.org
Tue Aug 21 13:35:09 UTC 2012


On Tue, Aug 21, 2012 at 10:34 UTC, Santi Saez <santi at woop.es> wrote:
> Is there any proper way to configure ntpd in order to ignore leap second
> announcements from remote NTP servers?
>
> I have tried configuring leapfile/ntpkey_leap features in order to use local
> configuration, but if the remote NTP server announces a leap second it's
> forwarded to the client, and that's what I want to avoid.

Configuring a leapfile works here, using 4.2.7, to force a local leap
configuration that ignores upstream leap bits.  I expect the same is
true of 4.2.6.  I'm afraid I have no information on 4.2.4 or earlier
leap behavior, as I haven't used 4.2.4 in a number of years.

Cheers,
Dave Hart


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