[ntp:questions] Re: uk pool problem
Danny Mayer
mayer at ntp.isc.org
Wed Aug 30 03:28:02 UTC 2006
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
>> time...
>>
>> 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.
>
> Quote:
>
> "Access
> 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
More information about the questions
mailing list