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[outages] NTP Issues Today



Anyone check out the NIST GPS Archive?

http://www.nist.gov/pml/div688/grp40/gpsarchive.cfm

-Mike


On Mon, Nov 19, 2012 at 7:58 PM, Sid Rao <srao at ctigroup.com> wrote:

> We had multiple servers synchronized with Windows/MS time change their
> clock to the year 2000 today.  It broke many things, including AD
> authentication.
>
> These servers had been properly synchronized for years.
>
> They were synchronized with Microsoft and NIST NTP servers.
>
> This may not be isolated.
>
> Sid Rao | CTI Group | +1 (317) 262-4677
>
> On Nov 19, 2012, at 10:29 PM, "George Herbert" <george.herbert at gmail.com>
> wrote:
>
> > crossreplying to outages list.
> >
> > Is anyone ELSE seeing GPS issues?  This could well have been an
> > unrelated issue on that particular PBX.
> >
> > If this was real, then the mother of all infrastructure attacks might
> > be underway...
> >
> > One glitch on tick and tock and one malfunctioning PBX is not
> > sufficient evidence of pattern - much less hostile activity - to
> > induce panic, but it would perhaps be a wise time to check
> > time-related logs?
> >
> >
> > -george
> >
> > On Mon, Nov 19, 2012 at 6:08 PM, Wallace Keith
> > <kwallace at pcconnection.com> wrote:
> >> Just got paged with a pbx alarm that had 1970 as the year. By the time
> I logged in , it was showing 2012.  Using GPS for time and date.
> >>
> >> -----Original Message-----
> >> From: Mark Andrews [mailto:marka at isc.org]
> >> Sent: Monday, November 19, 2012 8:42 PM
> >> To: Van Wolfe
> >> Cc: nanog at nanog.org
> >> Subject: Re: NTP Issues Today
> >>
> >>
> >> In message <
> CAMeggd4cDQwhxQE_JbvpNR-PKKe9LXqA+KzJ97anHFonjwZhdQ at mail.gmail.com>
> >> , Van Wolfe writes:
> >>> Hello,
> >>>
> >>> Did anyone else experience issues with NTP today?  We had our server
> >>> times update to the year 2000 at around 3:30 MT, then revert back to
> 2012.
> >>>
> >>> Thanks,
> >>> Van
> >>
> >> NTP should be immune from this sort of behaviour unless you did a
> ntpdate at the wrong moment.  The clocks should have been marked as insane.
> >>
> >> Mark
> >> --
> >> Mark Andrews, ISC
> >> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> >> PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org
> >>
> >>
> >
> >
> >
> > --
> > -george william herbert
> > george.herbert at gmail.com
> >
> >
>
>
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>



-- 
Mike Lyon
408-621-4826
mike.lyon at gmail.com

http://www.linkedin.com/in/mlyon