[ntp:questions] ntp-b.boulder.nist.gov not synchronized

Doug Calvert dfc-list at douglasfcalvert.net
Fri Jun 14 02:29:52 UTC 2013


Why cant you use the other authenticated server? And if matching the
telephone number to a published number is enough to meet your
reguratory burden why not just use any of nists published names and
then leverage dnssec tp verify the ip/name mapping?



On Thu, Jun 13, 2013 at 8:58 PM, Jason <bmwjason at bmwlt.com> wrote:
> Since about 1800 Eastern time (US) on 10Jun, ntp-a.boulder.nist.gov is
> sending "clock unsynchronized". This is one of two NIST-supported,
> _authenticated_, timeservers (the other is ntp-b.nist.gov).
>
> We are regulatorily required to confirm twice daily that our system's time
> (derived from GPS) is within 1 second of "official" US Gov't time (NIST).
> There is a legal requirement for NIST here, otherwise I'd just say that USNO
> (root of Air Force's GPS traceability) is within ~20nS of NIST and move on.
>
> The maintainer, Dr. Judah Levine at NIST Boulder, is unavailable.
>
> Other contacts I've tried at NIST Boulder have been unhelpful.
>
> Does anyone have a contact, short of the director of Time and Frequency, (Mr
> O'Brian, I think), that they could direct me to?
>
> Barring that, I may have to find a modem and  hook it up so the host can
> dial ACTS (positive ID via published telephone #), then have the company's
> software folks adapt their code.
>
> Thanks,
>
> Jason
>
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