Re: [ILUG] X security problem

From: Wesley Darlington (wesley at domain blackstar.co.uk)
Date: Mon 29 May 2000 - 13:39:58 IST


Hi,

On Mon, May 29, 2000 at 12:54:17PM +0100, Mark Webb wrote:
> b) log in using rexec from an X package (Exceed in this case)
> /usr/X11R6/bin/xterm -ls -display XXX.YYY.ZZZ.AAA:0 -bg black -fg green -fn
> rom14 +sb +vb -T linux +wf

Does this appear on your local machine?

> If I edit something, the machine doesn't seem to have permission
> to write to my display.
> "_X11TransSocketINETConnect: Can't connect: errno = 4"
>
> My DISPLAY environment doesn't seem to be being used as
> I have to specify -display with any X programs.
>
> Running "xhost +<my machine> doesn't help.

I take it you run this on your local machine...

> P.S. This is what is running by default.
>
> root 17152 580 0 11:53 ? 00:00:00 /etc/X11/X -auth
> /var/gdm/:0.Xauth :0
> root 17153 580 0 11:53 ? 00:00:00 /usr/bin/gdm -nodaemon
> gdm 17160 17153 0 11:53 ? 00:00:00 /usr/bin/gdmlogin
> --disable-sound --disable-crash-dialog

If these are running on the remote machine, they are all irrelevant
to you, sitting as you are at your local machine. Unless, of course,
you are connecting (perhaps via xdmcp) to gdm... :-)

Wesley.



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