Normal netbios cannot be routed, but smb (the protocol used since Win95)
can also run over TCP/IP. I do this all the time with several linux
servers here, and also when accessing the Imperial College archives
(sunsite.doc.ic.ac.uk) which are also accessible in this manner.

Peter

--
Peter T Mount, IT Section
[EMAIL PROTECTED]
Anything I write here are my own views, and cannot be taken as the
official words of Maidstone Borough Council


-----Original Message-----
From: Christopher J. Witter [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, April 07, 1999 6:16 PM
To: pdmallya
Cc: [EMAIL PROTECTED]
Subject: Re: Netbios


Netbios can't be routed so unless you are using a VPN to bridge the two
networks together than and they are then on the same IP subnet then this
isn't possible.

Christopher Witter 
MCSE, MCP +Internet, ICIS, IIAE

Windows NT Crashed.
I am the Blue Screen of Death.
No one hears your screams.

On Wed, 7 Apr 1999, pdmallya wrote:

> Hi,
> 
> A department in my company wants to permit PC's in our network to
access
> files in machines on an external network using Netbios file-sharing.
I'm
> being told that this does not open any loopholes in our security,
because:
> (a) we can connect our network to the external one using a Checkpoint
> Firewall, with a rule permitting NBT connections from our internal PCs
to
> the external machines containing the files. There will be no rule
permitting
> a reverse connection.
> (b) there will be no shared disks on our network, and the Checkpoint
rules
> will enforce this.
> (c) ergo, our network is not exposed in any way.
> 
> I am not quite convinced - can anyone give me some more information or
> pointers on this?
> 
> TIA & Regards
> 
> Prabhakar D. Mallya
> 
> 
> -
> [To unsubscribe, send mail to [EMAIL PROTECTED] with
> "unsubscribe firewalls" in the body of the message.]
> 

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