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Thread: Why do I need IP6 enabled for X11 forwarding?

  1. #1

    Question Why do I need IP6 enabled for X11 forwarding?

    I was setting up a new 11.4 system and disabled ip6 as we don't use it. After that I couldn't get X11 forwarding working.

    After searching around for a while, I found this topic
    http://forums.opensuse.org/english/g...8-cant-enable-
    ssh-x11-forwarding.html which at the end mentions enabling ip6. Magically, after doing that and rebooting I can now do X11 forwarding again.

    Just seems strange that IP6 is needed for X11 forwarding.

  2. #2

    Default Re: Why do I need IP6 enabled for X11 forwarding?

    afaik, you don't!
    one common problem for X11 forwarding not working, is the unavailability of xauth in the remote system.

  3. #3

    Default Re: Why do I need IP6 enabled for X11 forwarding?

    I can confirm this! I think I saw similar bugs in some Solaris systems by Googling.

    Actually it is a known bug in openSUSE 11.4! See the link to bugzilla.

    https://bugzilla.novell.com/show_bug.cgi?id=686477

  4. #4
    Join Date
    Jan 2009
    Location
    Switzerland
    Posts
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    Default Re: Why do I need IP6 enabled for X11 forwarding?

    According to a post in bugzilla https://bugzilla.novell.com/show_bug.cgi?id=686477 you need not enable IPv6 to make X11 forwarding work. It is sufficient to edit /etc/ssh/sshd_config and set

    Code:
    AddressFamily inet
    instead of #AddressFamily any

    This worked for me.
    Technology is 'stuff that doesn't work yet.' -- Bran Ferren

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