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On Wed, 27 Dec 2006 18:41:17 -0500
Chuck Swiger <[EMAIL PROTECTED]> wrote:
> Tek Bahadur Limbu wrote:
> [ ... ]
> > Thank you very much for your help and suggestions. Actually, the
> > reason why I want to implement this restriction is because some
> > clients whose Windows PCs are infected with viruses and malwares
> > send up to 10-20 bogus DNS queries per second which causes the
> > traffic utilization to go almost 5 times high on the dns server.
> There are legitimate reasons why a client machine might want to make
> dozens or even hundreds of DNS lookups per second-- or have you never
> used adns or another webserver logfile analyzer yourself? :-)
> Please consider solving the problem rather than a symptom.
> If you experience what you determine to be malicious traffic from a
> host or traffic which violates your published AUP, please contact the
> systems' owner or perform firewall egress filtering on such a machine
> until it gets fixed.
I will definitely try what you stated.
With best regards and good wishes,
Tek Bahadur Limbu
Jwl Systems Department
Worldlink Communications Pvt. Ltd.
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