[164127] in North American Network Operators' Group

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Re: [Filtering of NTP-access to swisstime.ethz.ch as of July 1st,

daemon@ATHENA.MIT.EDU (Mike Hughes)
Wed Jun 26 07:26:00 2013

In-Reply-To: <613E34A1-72A4-45A3-BD4D-66B3455E2282@arbor.net>
Date: Wed, 26 Jun 2013 12:25:29 +0100
From: Mike Hughes <mike@smashing.net>
To: "Dobbins, Roland" <rdobbins@arbor.net>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On 26 June 2013 04:10, Dobbins, Roland <rdobbins@arbor.net> wrote:

>
> On Jun 26, 2013, at 12:37 AM, <Valdis.Kletnieks@vt.edu> <
> Valdis.Kletnieks@vt.edu> wrote:
>
> > I wonder how long it will take before anybody actually updates their
> config.  I once pulled a stratum-2 out of the clocks.txt file - and was
> still seeing
> > several hundred unique hosts per hour poking the IP address for time -
> like over a decade later.
>
> <http://pages.cs.wisc.edu/~plonka/netgear-sntp/>
>

Would actually be interesting to get a brief update on how many of these
SNTP requests the Madison NTP server still gets.

At the time, Dave hypothesized that the affected devices would have a
half-life of about 5 years - so 10 years on, you would expect this to have
subsided to around 25% of the initially report rate. I wonder if that held
true?

Mike

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