[ntp:questions] WARNING: someone's faking a leap second tonight

Rob nomail at example.com
Wed Aug 1 15:54:49 UTC 2012

steven Sommars <stevesommarsntp at gmail.com> wrote:
> I've seen no evidence of a denial of service attack, bugs are more likely.
>   Several stratum one servers have been advertising LI=1 continuously for
> the past month.   Others alternate between LI=0 and LI=1.
> Most servers claim to run ntpd.
> There are over 10 stratum one's that advertise LI=1 as of Wed Aug  1
> 14:18:51 UTC 2012.   Unless this changes another false leap second could
> occur on August 31, 2012

When a leapsecond occurs as a result of these bits that is a bug on
its own, because leapseconds can only occur at the end of a quarter.

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