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Thread: X over ssh from behind a firewall

  1. #1
    Senior Member
    Join Date
    May 2001
    Posts
    472

    X over ssh from behind a firewall

    OK, so I just got DSL at home, and my machine is the one connected to it. My firewall is blocking everything except ssh.

    At work, I'm behind a firewall as well. I can ssh to my home machine, but if I try

    ssh -X user@homebox xterm

    It can't connect to my local display. I've done xhost + to keep that from blocking stuff, but I still can't get anything from home to appear locally.

    Any ideas?

  2. #2

    Re:X over ssh from behind a firewall

    Ok these are some dumb questions but they are the basics of the whole X-forwarding thing.

    1) Are you running an X-server on your machine at work, or are you running linux with X?

    2) With a client like PuTTY there is an explicit option to check for X11 forwarding. See if your ssh client has something like that.

  3. #3
    Senior Member
    Join Date
    May 2001
    Posts
    472

    Re:X over ssh from behind a firewall

    Slackware 8.1 at home, Slackware 9.0 at work...

  4. #4

    Re:X over ssh from behind a firewall

    check the sshd.conf and ssh.conf maybe X forwarding is disabled there. (sshd on the server, ssh on the client)

    also maybe just try ssh -X foo@bar.com and then start the xterm rather than starting it from the command line

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