RE: X11 forwarding help

From: Pham Tuan-TPHAM4 (
Date: 02/13/03

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    From: Pham Tuan-TPHAM4 <>
    To: "'Anthony Kim'" <Anthony.Kim@VW.COM>
    Date: Thu, 13 Feb 2003 10:27:07 -0600

    I tried that before but that didn't seem to help. Our program actually died on us.

    However, we've got it working without ssh's built-in X11 forwarding / X authorization .

    Thanks to David Barr...

    "You could try setting up your own port redirection so that you can forward
    X connections without going through ssh's X authorization.

    It sounds like you'll have to do two forwards (one for each hop). Do
    something like "ssh -x -R6010:foo:6000 host1" where foo is the hostname
    portion of your DISPLAY variable (maybe localhost). After you get to
    "host1", type "ssh -x -R6010:localhost:6010 jinx", which will redirect
    back to the first tunnel that you set up. When you log into jinx,
    manually set your DISPLAY variable to localhost:10. On the machine where
    you first issued ssh, type "xhost +host1" (or whatever your intermediate
    host is), because that is where the X clients will appear to be coming
    from to your X server. You might have to pick different port numbers that
    6010 if they are in use already on intermediate and remote hosts. The
    DISPLAY variable is converted to a port number by adding 6000 to the
    screen number (the :0 thing at the end)."


    -----Original Message-----
    From: Anthony Kim [mailto:Anthony.Kim@VW.COM]
    Sent: Wednesday, February 12, 2003 3:31 PM
    Subject: Re: X11 forwarding help

    On Wed, Feb 12, 2003, Pham Tuan-TPHAM4 wrote:
    > I'm using ssh to do X11 forwarding over a gateway and it seems to work
    > fine most of the time (xterms, xclocks). However, for some gui
    > applications, I get the "X11 connection rejected because of wrong
    > authentication." error. I have tried googling and tried different
    > things but I can't seem to get it working. I was wondering if anyone
    > knows what is going on. Thanks.

    On the server, try setting X11UseLocalhost no