[ntp:questions] Re: uk pool problem

Richard B. Gilbert rgilbert88 at comcast.net
Wed Aug 30 03:44:22 UTC 2006

Danny Mayer wrote:

> Ronan Flood wrote:
>>Heiko Gerstung <heiko.gerstung at meinberg.de> wrote:
>>>I could think of some kind of misuse-protection, we discussed this
>>>several times. If a client polling rate is too high, send it the wrong
>>>Probably this is just an attempt of the owner of this server to reduce
>>>the load caused by mad clients. I just issued a sequence of ntpdate
>>>calls and it seems that I am blocked by that server automatically after
>>>a couple of requests (for a short time).
>>This appears to be the same server described at
>>  http://ntp.lp0.eu/
>>ntp.lp0.eu is a CNAME to blackhole.arlott.org.uk.
>>    o This server is private use only. 
>>    o All other users should use pool.ntp.org. 
>>    o Anyone using ntpdate (or equivalent) or unauthorised frequent
>>      polling of the time will be reported to their ISP's abuse contact. 
>> Any queries should be directed to the hostmaster (at blackhole.arlott.org)."
>>Perhaps it has crept into the pool by mistake.
>>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.
> Danny
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Is there an ntpd equivalent to ntpdate -du <server address>?

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