[ntp:questions] Re: uk pool problem

Danny Mayer mayer at ntp.isc.org
Wed Aug 30 12:55:07 UTC 2006


Ronan Flood wrote:
> mayer at ntp.isc.org (Danny Mayer) wrote:
> 
>>> Quote:
>>>     o Anyone using ntpdate (or equivalent) or unauthorised frequent
>>>       polling of the time will be reported to their ISP's abuse contact. 
> 
>>> I don't see why ntpdate is quite so frowned upon.
>> You mean issues like this don't bother you? Using ntpd instead avoids
>> many of this issues brought up in this discussion.
> 
> I see no reason to try to stop clients using ntpdate against servers by
> giving them the wrong time and/or threatening abuse reports.  Excessive
> polling, eg running ntpdate every 15 seconds or any similar client bad
> behaviour, is a separate issue.
> 

That's a separate issue. I was talking about a server giving you the
wrong answer. ntpdate will just accept it, while ntpd will compare it to
other answers it has received and drop it if it disagrees that much from
other answers it received.

Danny



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