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

David L. Mills mills at udel.edu
Thu Dec 22 19:08:30 UTC 2005


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.


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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