All hands alert - NTPsec gets bad responses from Amazon NTP servers

Kurt Roeckx kurt at
Sun Dec 3 20:45:52 UTC 2017

On Sun, Dec 03, 2017 at 02:43:04PM -0500, Eric S. Raymond via devel wrote:
> All hands alert.  We have our first, or maybe second depending on how
> you count, serious bug. About 33% of the time, NTPsec is eliciting bad
> packets from Amazon time service. Classic does not have this problem.

I would argue that no matter what the client sends, the server
should send back a correct packet, and it more seems to be a
problem with the Amazon time service.


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