nanog mailing list archives

Re: NTP question


From: "Gary E. Miller" <gem () rellim com>
Date: Wed, 1 May 2019 20:38:37 -0700

Yo Mel!

On Thu, 2 May 2019 03:30:03 +0000
Mel Beckman <mel () beckman org> wrote:

I’m also an FAA licensed A&P mechanic, and have worked for airlines
in fleet maintenance.  Air carriers have extremely thorough systems
reviews, by law, through the Airworthiness Directive program, which
started identifying 2019 GPS rollover vulnerabilities in ... 2009!
Nobody was surprised.  If any GPS systems “went nuts”, it was through
the incompetence and negligence of their owners.

How many GPS owners happen to have $30,000 GPS simulators to check
their $300 GPS/NTP servers?  Some of mine did, most did not.

Seems to me the negligence is in the GPS manufacturer that failed to
notify their customers.

To be fair, Avidyne and Telit did notify their customers, but not with
a fix or enough lead time to swap out the units.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        gem () rellim com  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin

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