Inherit ssh X-tunnel with su

From: Harald Husemann (harald.husemann@materna.de)
Date: Fri Jan 30 2004 - 04:22:09 EST


Hi folks,

I use ssh to connect our servers, 'cause it's more secure than telnet. I
can start X-applications on the server, with the output forwarded over
the ssh-tunnel to the X-server running on my client.
It works perfectly well, but unfortunately, when I use "su" to become
root or any other user, the tunnel gets broken.
The error-message is:
==================/snip/====================================
 X11 connection rejected because of wrong authentication.
X connection to xxx:10.0 broken (explicit kill or server shutdown).
=====================/snap/=================================

Hm... At the moment, I allow direct root-login via ssh, but first of
all, this is a bit insecure, and it does not solve the problem of
starting X-applications as other users, since often I don't know their
passwords (of course).

So, the main question is:

Is there a way to "inherit" the X11-tunnel to a subshell??

Thanks,

will summarize,

Harald

-- 
============================================
Harald Husemann
Systems Engineer
Teammanager Unix administration and Configuration Management
Materna Gmbh - Vosskuhle 37 -
D-44141 Dortmund, Germany
Phone:  +49-231-5599-8684
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