Mailinglist Archive: opensuse-security (564 mails)

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RE: [suse-security] Email behaviour
  • From: dg@xxxxxxxx
  • Date: Thu, 11 Jan 2001 09:31:21 +0100
  • Message-id: <3a5d6f59.4f4f.0@xxxxxxxx>
Raffy wrote:

>> 137/TCP is the NETBIOS Name Service. So the remote mailserver might be
>> a (misconfigured?) Windows-Box.
>> It's nothing dangerous, AFAIK.
>But is this a thing one can configure or not? I would rather advise that
>admin to stop doing so than doing nothing.

It will not help you.
What about simply denying NETBIOS?
When I put my firewall online,
the first probe I always get (within 30s) is 137/TCP NETBIOS.
It comes from an address resolving in or equivalent (quoting from memory)
All the best.

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