[PLUG] Problems using X with ssh from one particular site.

[alan]

Some implementations of ssh have x forwarding turned off.  Make sure that 
you are starting ssh with the proper command line options to override this 
behaviour.

On 1 Jul 2003, Zot O'Connor wrote:

> On Tue, 2003-07-01 at 15:15, Jeme A Brelin wrote:
> > On Sat, 28 Jun 2003, David Mandel wrote:
> > > I COULDN'T RUN X APPLICATIONS.  Everytime I tryed to start one, I got a
> > > message about not being able to access the X server.  Anyone know why
> > > I'm having this problem?  The display variable looks reasonable.
> > 
> > This is simple and obvious, but sometimes unstated assumptions are the
> > root cause.
> > 
> > xhost +?
> > 
> > J.
> 
> Ahhhhh!  This is very insecure!
> 
> X over ssh uses xauth/magic cookies and a fake display (tunneled).
> 
> Also since it works from some machines and not others, it is likely
> DNS/IP, or a setting on passwords/keys.
> 
>