From owner-freebsd-questions  Thu Aug 26  7:22:50 1999
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Date: Thu, 26 Aug 1999 16:08:07 +0100
From: Cillian Sharkey <cillian@baker.ie>
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To: "David B. Aas" <dave@ciminot.com>
Cc: questions@freebsd.org
Subject: Re: What uses Port 137-NETBIOS Name Service?
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> Aug 26 08:53:51 gateway /kernel: ipfw: 3200 Deny UDP 207.195.152.19:137
> 208.149.231.82:137 in via xl1
> 
> xl1 is my outside net
> 208.149.231.82 is my address of xl1
> Rule 3200 is "deny log udp from any to any" which is my final rule.
> 
> I have a Windows NT Server inside my network, running NETbeui protocols. I
> appear to be getting these requests from outside.
> 
> What uses port 137? Nobody on the network seems to be complaining that they
> can't do stuff, so I am inclined to let it go, and keep denying the packets.
> Is there a reason I should be letting these packets through?

samba uses these ports for sharing files/printers to windows clients.
it's just someone being nosy on the outside..

Cillian


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