On Mon, November 21, 2005 5:15 pm, Kin C Wong wrote:
> Jamie Furtner wrote:
>
>
>> By itself, that sets up the SSH session to forward X11 connections from
>>  the X11 client (machine you've connected to) to your X11 server (local
>> X
>> server).
>>
>> Generally you won't easily be able to run a full KDE session through
>> SSH -
>> you already have a window manager running and I don't think KDE will let
>>  itself start. What you could do is run X11 applications (KDE or
>> otherwise) and display them on your local X server. For instance, after
>> opening a SSH session (with the -X option), type in mozilla at the
>> prompt and a Mozilla window should pop(assuming that you have Mozilla on
>> the server - if you don't, try konsole or konqueror. You'll need to open
>> the SSH session from within an X terminal window.
>>
>> What you're probably better off looking at is VNC or FreeNX - they're
>> graphics based remote connectivity instead of a console and can be
>> considerably quicker then proxying X sessions over SSH, based on my
>> experience (they're actually usable!)
>>
>> Jamie
>>
>>
>>
> If you are using VNC (don't know enough about FreeNX yet), are you still
> connecting using ssh?  From what I understand, VNC is not secure.
>
> Secondly, will you be able to see the server computer.  I believe if
> you connect to the server using ssh, you can vnc to any other computer in
> that network segment if you have access.
>
> I will try running Mozilla from the prompt to see if I get anything.
>
>
> Thanks

VNC isn't secure normally, that's right. I don't think that any of the
linux VNC connections are encrypted yet -- at least, not that I've seen.


SSH can proxy arbitrary TCP connections as well (what I think you're
talking about), so you could proxy the VNC connection over the SSH to the
server and/or to a client on the same network as the server.

The syntax for that would be
ssh -L59xx:<vnchost>:5900 [EMAIL PROTECTED]

Then use a VNC client to connect to localhost:xx and the connection is
proxied over the SSH connection and therefore encrypted. You could include
multiple -L... options to proxy multiple ports to different hosts, and
this isn't limited to VNC connections. Nearly anything that runs over a
normal TCP connection can be proxied using this method.

Jamie


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