full-disclosure - DNS query???

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Message-ID: <200407271538.14398.reitenba@fh-brandenburg.de>
From: reitenba at fh-brandenburg.de (buzz)
Subject: DNS query???

hi,
On Tuesday 27 July 2004 14:01, Verma, Sachin wrote:
> Hi,
>
> I have a secondary dns server,which is internal to LAN and on windows 2000
> that is generating a lot of queiries for all the 13 root dns servers.The
> traffic is blocked by the firewall.But the strange thing that I have
> noticed is that the source and destination port being the same i.e 53.Also
whats the problem with that? in bind, up to version 4, source and destination 
port of dns packets was always 53, it changed with version 8. i don't know 
how win2k dns servers behave, but it may be the same way.

> the forwarder is correctly set on the DNS server and hence theoritically
> the querries need to be forwarded to the next DNS server.
>
> Any body got an idea as to what is this.
>

buzz