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To: firewalls @
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From: Mike Culver <mculver @
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Subject: Re: Why is Windows NT sending this packet ? (fwd)
Sender: firewalls-owner @
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Maybe this is how NT handles browsing in absence of NetBeui?
>>On Sep 26, 2:45pm, Torsten Sturm (CIP 89) wrote:
>>> Subject: Why is Windows NT sending this packet ? (fwd)
>>>...
>>> Does anyone know why my Windows NT Server v3.5 would be sending packets
to...
>>>
>>> Name: MICROSOFT.MCAST.NET
>>> Address: 224.0.1.24
>IP address in the range of 224.0.0.1-239.255.255.255 are multicast address
>with a special attribute. Instead of the destination being a single machine
>it is a group of machines that have made a request to their NIC to receive
>any packets to this address. The most common place you will see this is with
>routers to send updates. Multicasting works the same as broadcasting except
>only the hosts that want to recieve the packets will see them.
>
>This does not explain why NT is sending request on this address. The only
>thing I can think of would be it is how it handles the concepts of "groups"
>for NetBIOS over TCP/IP.
>
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