[ntp:questions] Re: Question on abusive clients.

David J Taylor david-taylor at blueyonder.co.not-this-bit.nor-this-part.uk.invalid
Thu Dec 22 20:14:52 UTC 2005

[Excuse top-post]

.. and so if the client ignores the KoD, it may keep hammering on the 
server every second?


David L. Mills wrote:
> David,
> Current ntpd will clamp the poll interval to not less than 4 in server
> replies no matter what the client says. If KoD is enabled, it will
> return KoD packets if the headway beteen packets is less than 1 s or
> the average headway is less than 4 s.
> Dave
> David J Taylor wrote:
>> On a related topic, what does NTP do if a request is received with
>> the Poll field set to less than the minimum value (4)?  Is the
>> request silently dropped?  Or a KOD packet sent?
>> David

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