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RE: setenv DISPLAY


On Tue, 17 Aug 2004, Thomas Chadwick wrote:

> So you're saying you're doing the "setenv DISPLAY" via the SSH terminal 
> session between steps 2 and 3?
> 
> I so, then you're completely circumventing the security provided by SSH 
> (unless you're doing it intentionally, e.g. you're on a "trusted" network, 
> or the encyption/decryption of the SSH tunnel is slowing things down too 
> much).
> 
> What you should be doing is using the "X-Forwarding" mechanism of SSH.  
> Basically, it should go something like this:
> 
> 1) Launch the Cygwin X-Server, Xwin.
> 2) From a local xterm, run "ssh -X remote_host"
better use ssh -Y remote_host. (See FAQ for details)

> 3) Once you're logged in, echo back the value of "DISPLAY" on the remote 
> host.  It should look something like ":8", or possibly "remote_host:8".
> 4) At this point, running "xterm &" should open a client window on the local 
> X-Server.  You do not need to, and should not, manually set the DISPLAY 
> variable on the remote host when using ssh.
> 
> I suspect that if you change your login script at the remote host such that 
> it leaves DISPLAY alone, things will start working again.

bye
	ago 

-- 
 Alexander.Gottwald@s1999.tu-chemnitz.de 
 http://www.gotti.org           ICQ: 126018723


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