Re: NetBEUI and security
From: Calvin Crumrine (nospam@example.net)Date: 10/29/02
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From: Calvin Crumrine <nospam@example.net> Date: Tue, 29 Oct 2002 09:26:59 -0900
W. B. wrote:
>>Since there is no way to 'control' traffic at
>>a low level, (unlike TCP/IP and firewalls etc.) does this actually
>>increase risk, for example trojans 'information gathering' unseen via
>>NetBEUI?
>
>
> I would think this would be a moot point, If you are using exclusively a
> non-routable protocol, there would be no way for the trojan to 'phone home'
> anyway. Your LAN would be exactly that, and only that; a Local Area
> Network.
>
> This sounds like a good plan security wise, but I would study the
> implications to make sure you know what you are getting into from a network
> functionality standpoint. How to get users access to E-mail comes to mind.
> Exchange?
>
> "craig" <craig.athome@virgin.net> wrote in message
> news:26ca3cec.0210281207.7a14b8a2@posting.google.com...
>
>>Hi folks,
>>
>>I'm considering using NetBEUI on a small network with internet access,
>>for file and print sharing. i.e remove TCP/IP bindings from the
>>networking client.
>>My motivation for this is simply another layer of security, due to the
>>non routable nature of NetBEUI.
>>
>>The network is only about 40 users so I'm ok with the viability of
>>NetBEUI, however I wondered what the opinion was on security
>>implications as a whole. Since there is no way to 'control' traffic at
>>a low level, (unlike TCP/IP and firewalls etc.) does this actually
>>increase risk, for example trojans 'information gathering' unseen via
>>NetBEUI?
>>
>>Any thoughts on the matter appreciated
>>
>>TIA
>>Craig
>
>
>
If I'm reading it correctly, he's loading TCP/IP for Internet access-but
not bound to the network client or to file & printer sharing. And he's
also loading NETBEUI for LAN access, binding it to the network client &
to file & printer sharing. Therefore, not only would the clients have
email access but any Trojans would also be able to phone home.
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