[time] What to do about abuse

ntpadmin at oc9.com ntpadmin
Tue Feb 27 02:34:46 UTC 2007


You have to read the mailing lists to find some kind of consensus.

Basically, you are free to judge abuse as you wish, I drop packets when I 
got more than 500 from an IP with less than 60 secs interval.

-Louis

On Mon, 26 Feb 2007, Jeffrey Goldberg wrote:

> I fear that this is a FAQ, but I didn't find a FAQ which listed it.
> If there is such a document, please point me to it and accept my
> apologies for posting to this list.  I have read the Usenet
> discussions that are pointed to from http://www.pool.ntp.org/, but
> those seem to predate the pool.
>
> I just recently joined the pool (ntp0.goldmark.org) and have just
> started playing around with Wayne Schlitt's monitoring scripts.
>
> Well, I'm absolutely flabbergasted by the abusive clients.  I'd like
> some understanding of what's behind it and what people do about it.
>
> It don't see anything to gain by being deliberately abuse.  You don't
> gain anything by sending out a request 5 times per second.  As
> annoying as it is, there is little chance of doing any noticeable
> vandalism.  So my guess is that it is accidental.  But how could
> someone accidentally configure a client to just keep making requests.
>
> And what do people do about them.  I can manually block those clients
> at my firewall.  I could report them to their ISPs and hosting
> companies.  I could just ignore the problem.  I could lower my
> claimed speed at the pool management site.
>
> I'm curious to know what others do.
>
>
> -- 
> Jeffrey Goldberg                        http://www.goldmark.org/jeff/
>
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Louis



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