[ntp:questions] Why do many time servers time out on queries from ntpq -p?

Steve Kostecke kostecke at ntp.org
Sun Apr 13 00:23:19 UTC 2008


On 2008-04-12, Ryan Malayter <malayter at gmail.com> wrote:

> On Apr 12, 12:29 am, Steve Kostecke <koste... at ntp.org> wrote:
>
>> The server operator has set a 'noquery' restriction.
>
> I'll try to pre-emptively answer the next question, [which] is likely to
> be "why would they do that?"
>
> The answer is security.

It also denies the users of a time server potentially valuable
information about that server's time sources.

You may find it acceptable to use a block box time source with
un-auditable time sources. I do not.

-- 
Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/




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