xauth failure when tunneling over ssh
lists-fbsd at shadypond.com
Tue Nov 11 17:33:58 PST 2008
On Tuesday 11 November 2008 21:27:38 Elliot Isaacson wrote:
> I've set up X11Forwarding on several linux servers before, but I've
> just wasted a day trying (unsuccessfully) to figure out why I can't
> get it working on freebsd (7.0-RELEASE GENERIC).
> I have not changed the defaults in the sshd_config file.
> One the client computer:
> $ xhost +
> $ ssh -Y 192.ip.of.server
> Warning: No xauth data; using fake authentication data for X11
> /usr/local/bin/xauth: creating new authority
> file /home/xxx/.Xauthority
> /usr/local/bin/xauth: (stdin):1: bad display name "unix:10.0"
> in "remove" command
> /usr/local/bin/xauth: (stdin):2: bad display name "unix:10.0"
> in "add" command
> [xxx@ ~] kcalc
> X11 connection rejected because of wrong authentication.
> kcalc: Fatal IO error: client killed
> [xxx@ ~] ls -a .Xauth*
> <no results>
> Now, when I go to the server and login directly, and do a startx,
> the x server starts fine, but there's still no .Xauthority file in
> the home directory. I find that odd.
> This also looks strange to me:
> [xxx@ ~] ps -aux | grep X
> root 1470 0.0 2.7 65456 13668 v0 S 4:01PM 0:01.24
> X :0 -auth /home/xxx/.serverauth.1451 (Xorg)
> [xxx@ ~] ls -a /home/xxx/.serverauth*
> <no results>
> How could it authenticate with a non-existent file?
> Any pointers in the right direction would be greatly appreciated.
I had the same problem when trying to SSH to the FreeBSD machines from Linux.
If I remember correctly, I had to make a change to ssh_config on the Linux side
to get things to work:
It might also help if you would post sshd_config on the FreeBSD side.
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