High dns traffic, how do I reduce this.

[Peter Koinange]

Pehaps, but from my experience its always seems to be something wrong on an
end user system, some malware got installed etc.


k

On 9/17/07, Manuel Arostegui Ramirez <manuel at todo-linux.com> wrote:
>
> On Monday 17 September 2007 11:09:33 Peter Koinange wrote:
> > Seems you may have a trojan or something if you check your traffic say
> > using tcpdump you may be able to see computer(s) that are generating
> alot
> > of unecessary trafic
> >
> > k
> >
>
> Errr, a trojan? I think you're exaggerating a bit, from my point of view.
> There're load of things that can cause a high dns traffic, for instance, I
> was
> in the same situation some months ago, and the problem was a "luser" with
> gkrellm in his system, he has set up a forecast map which got refreshed
> every
> 30 seconds, obviusly, this map got the information from a website, don't
> remember which one, anyways, that's not important here.
> The thing is it made DNS requests every 30 seconds. This is just an
> example,
> nowdays unfortunately, there're loads of tools which connect to the
> internet
> without the user knowledge, doesn't matter what for, looking for updates,
> sending private info, whatever...
>
> But saying that he might have a trojan is quite disproportionate, don't
> you
> think so?
>
> All the best.
> Manuel
> --
> Manuel Arostegui Ramirez.
>
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