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Vieux 29/09/2006, 17h39   #2
Jeff B
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Par défaut Re: need with SMB over SSH

did you see this article?
http://research.lumeta.com/ches/chea...lsolution.html

Joe Granto wrote:
> I have 2 Windows XP systems in different locations (different subnets,
> different ISPs, etc.). They get their IPs via ISP-supplied DHCP.
> System A has the disk resources I want to use from System B.
>
> I want to tunnel SMB over SSH because System A has an ISP that blocks
> SMB (natively port 445, but will try NetBT [139] if that fails). Thus,
> I cannot access shared directories natively.
>
> I have done tons of research on the project, and tried many solutions.
> The problem I am running into is that all of the documentation on the
> web is either just plain wrong, or does not work, or documented for
> UNIX systems, which evidently does not translate over to the Windows
> XP world.
>
> I have set up a virtual system locally to test things, and cannot for
> the life of me get SMB over SSH to work. I can tunnel telnet just
> fine. But not SMB. Here is what I have tried so far:
>
> 1. BOTH systems are running Windows XP SP2 with current hotfixes and
> the firewall turned OFF. The 2 test systems are on the same subnet,
> and SMB communication over port 445 works dandy.
>
> 2. I installed CopSSH (tried newest current version and newest preview
> version) on System A. I enabled one account to use SSH, and can
> successfully putty to System A from System B. Works fine.
>
> 3. On System B, using the newest version of putty, I have created a
> tunnel for telnet. Relevent settings are under Connection/SSH/Tunnels,
> and I use the values of 20000 (local listening port for 127.0.0.1) and
> 192.168.1.99:23 for the destination. Telnetting to 127.0.0.1 on port
> 20000 works fine.
>
> 4. On system B, I installed a loopback NIC, as described on various
> web pages. It uses the settings of 10.0.0.1/255.255.255.0, with the
> gateway of my primary NIC (192.168.1.1). I have disabled EVERYTHING
> except TCP/IP on this NIC (no SMB, not NetBT, etc.). Again, only the
> TCP/IP checkbox is checked for this NIC. This has to be done because
> SSH cannot forward a port if that port is in use,and port 445 is used
> on my 192.168.1.x NIC. Thus, I have to use the 10.0.0.1 NIC for
> forwarding port 445. I have installed KB884020, which addresses
> loopback issues.
>
> 5. On system B, I configured the SMB tunnel in putty like so:
> 10.0.0.1:445 local listening port and 192.168.1.99:445 for the
> destination. Putty connects just fine, but the tunnel does NOT work. I
> cannot access any resources from System B using \\10.0.0.1.
>
> Now, I have installed WireShark on System A and sniffed the wire
> during SMB communication attempts. I see the putty traffic just fine
> as I create the tunel. However, no port 445 traffic seems to be
> getting redirected to System A when I try to access \\10.0.0.1
> resources. No traffic at all, actually. There are no incoming or
> outgoing packets.
>
> This tells me the issue is with System B,that the tunnel is not
> working, most likely the putty configuration. However, I have tried
> everything I know to try, and have failed to get this to work. Can
> someone out there who has successfully tunnelled SMB over SSH on a
> Windows system (preferably XP) please me out? Please note that
> you need to edit my email by replace "nospam" with "verizon".
>
> Thanks!
> Please replace the "NoSpam" with "Verizon" in my email address in order
> to reply.
> -------------------------------------------------------------------------
> Joe Granto Joe.Granto@NoSpam.Com
> Senior Engineer Intel Engineering,Verizon



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