Re: Xorg and X11 forwarding via ssh

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

On Wed, 18 Jun 2008 21:45:37 -0400
"matthew sporleder" <msporleder%gmail.com@localhost> wrote:

> On 6/18/08, cngo%nmsu.edu@localhost <cngo%nmsu.edu@localhost> wrote:
> > Hi,
> >
> >  I've just installed NetBSD with xorg on my computer. Everything
> > seems to work well except X is not forwarded when I tried to ssh to
> > my computer from another computer. I got the following error:
> >
> >  ******
> >  collinsia: {3} ssh senecio xterm
> >  cngo%BIOLOGY.NMSU.EDU@localhost's Password:
> >  Warning: No xauth data; using fake authentication data for X11
> > forwarding. xterm Xt error: Can't open display:
> >  xterm:  DISPLAY is not set
> >  collinsia: {4}
> >  ********
> >
> >  I've already set ForwardX11 yes and ForwardX11Trusted yes in my
> > ssh_config and X11Forwarding yes in my sshd_config. When I tried to
> > set XAuthLocation   /usr/pkg/bin/xauth
> >  in sshd_config and restart sshd. I got the following error:
> >
> >  **********
> >  collinsia: {2} ssh senecio xterm
> >  cngo%BIOLOGY.NMSU.EDU@localhost's Password:
> >  Warning: No xauth data; using fake authentication data for X11
> > forwarding. Xlib: connection to "localhost:11.0" refused by server
> >  Xlib: Invalid MIT-MAGIC-COOKIE-1 key
> >  xterm Xt error: Can't open display: localhost:11.0
> >  collinsia: {3}
> >  *******
> >
> >  What do I need to do to get my X forwarded ?
> >  Thank you,
> >
> 
> 
> What do you get when you type "xauth list" after you login?  Are you
> logging in with ssh -Y ?  Can you make sure that your xauth path is
> correct?
> 
Also, is $DISPLAY set?


                --Steve Bellovin, http://www.cs.columbia.edu/~smb