Leap Second

Måns Nilsson mansaxel at besserwisser.org
Tue Jul 2 14:39:20 UTC 2013

Subject: Leap Second Date: Tue, Jul 02, 2013 at 10:23:58AM -0400 Quoting Todd S (todd at borked.ca):
> We found we got leap seconds added on some systems over the weekend.  There
> were no leap seconds planned (
> http://www.usno.navy.mil/USNO/earth-orientation/leap-second-announcement),
> however some of our systems got one.
> We run our own s2/s3/s4 system, with only the s2s going to the Internet.
>  We have about 20 servers defined there, but looking through the logs, I
> can't figure out which one(s) may have been advertising the leap second.  I
> went through all our systems on Friday and Saturday to check for the leap
> bit, but had nothing, so it must have come out on Sunday.
> Anyone else run in to this, or have any further intel about servers that
> advertised the leap second?

We did get an advisory from Infoblox about a bug in "NTP servers based
on open source NTP" that would do just that. For Infoblox NIOS there
was a hotfix, and Symmetricom also has a patch out.

Måns Nilsson     primary/secondary/besserwisser/machina
MN-1334-RIPE                             +46 705 989668
I think my career is ruined!
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