Re: problem with X forwarding

From: Pupeno (pupeno_at_pupeno.com)
Date: 08/25/03

  • Next message: Marc W.: "Re: how do tell ssh which key in the ssh-agent to use?" 
    To: Rajeev Kumar <rajeev@rajeevnet.com>
Date: Mon, 25 Aug 2003 15:52:09 -0300

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    Note, when I ssh with -vvv I can see this after I type the password:

    debug2: x11_get_proto: /usr/X11R6/bin/xauth list :0.0 2>/dev/null
    debug1: Requesting X11 forwarding with authentication spoofing.

    Thanks.

    On Monday 25 August 2003 12:58, Rajeev Kumar wrote:
    > Make sure ssh was able to setup X11 tunnel. ssh usually have some entry
    > in /etc/sshd_config file.
    >
    > X11DisplayOffset 10
    >
    > which says how it is going to listen for X11 connection like in above
    > case it is going to listen at port 6010 (offset 10 from std X11 port
    > 6000). SO after you ssh to server then at server try one of this.
    >
    > telnet localhost 6011
    > (Looks like in your case it offset is 11)
    > see if this gives something like this.
    >
    > Trying 127.0.0.1...
    > Connected to localhost.
    > Escape character is '^]'.
    > ^]
    >
    > if not than there is a problem in binding this port, try some other
    > offset value, other than 6000. Also on machine A try
    > xhost + (I don't think if this is a problem as ssh X11 is little different)
    >
    > hope this helps to start debugging.
    >
    > Rajeev
    >
    > Pupeno wrote:
    > > I don't know if this is the right list to post about this problem, but
    > > I'm reaching the desperate state.
    > > I'm ssh from computer A to computer B, running a X application in B
    > > expecting to be shown in A's X server.
    > > X forwarding is enabled in both computers, A and B in both,
    > > /etc/ssh/ssh_config and /etc/ssh/sshd_config.
    > > But when I run the application a get this error:
    > > _X11TransSocketOpen: socket() failed for tcp
    > > _X11TransSocketOpenCOTSClient: Unable to open socket for tcp
    > > _X11TransOpen: transport open failed for tcp/localhost:11
    > > Error: Can't open display: localhost:11.0
    > > Do you have any idea of what may happen ?
    > > In A, I was able to connect when I was running Ark Linux, the problem
    > > appeared when I installed Gentoo so, I may say, the problem is in A since
    > > B didn't suffer any deep change.
    > > Any clue would be nice.
    > > Thanks.
    > > --
    > > Pupeno: pupeno@pupeno.com
    > > http://www.pupeno.com
    > > ---
    > > Help the hungry children of Argentina,
    > > please go to (and make it your homepage):
    > > http://www.porloschicos.com/servlet/PorLosChicos?comando=donar

    - --
    Pupeno: pupeno@pupeno.com
    http://www.pupeno.com
    - ---
    Help the hungry children of Argentina,
    please go to (and make it your homepage):
    http://www.porloschicos.com/servlet/PorLosChicos?comando=donar
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  • Next message: Marc W.: "Re: how do tell ssh which key in the ssh-agent to use?"

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