Date: Thu, 28 Feb 2008 11:41:14 -0700 From: Predrag Punosevac <punosevac@math.arizona.edu> To: questions@freebsd.org, Denny White <dennyboy@cableone.net> Subject: Re: XForwarding problem Message-ID: <47C7004A.9000806@math.arizona.edu> In-Reply-To: <20080228103538.GB20369@bubbhasbox.cableone.net> References: <20080228091720.GA20265@bubbhasbox.cableone.net> <47C68301.5000405@math.arizona.edu> <20080228103538.GB20369@bubbhasbox.cableone.net>
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Denny White wrote: > -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > > > On Thu, Feb 28, 2008 at 02:46:41AM -0700, Predrag Punosevac sez: > >> Denny White wrote: >> >> >>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>> >>> For the last couple of days I've tried everything I can think of to >>> make XForwarding work with ssh. As per the FAQ, I have set it like so: >>> >>> >>> In sshd_config >>> >>> X11Forwarding yes >>> >>> >>> In ssh_config >>> >>> ForwardAgent yes >>> ForwardX11 yes >>> >>> I can use it passably well in one direction from a box across the >>> room to the one I do most of my work on. But, when I try it from >>> this box to the one across the room, I get the xauth error message >>> along with all typed characters doubled on the screen. I went ahead >>> anyway and typed 'display somefile.jpg' just to see what I'd get & >>> got this: >>> >>> Xlib: connection to "localhost:10.0" refused by server >>> Xlib: Invalid MIT-MAGIC-COOKIE-1 key >>> display: unable to open X server `localhost:10.0'. >>> >>> I've read the man page on xauth(1) and experimented with its >>> commands. I've even wiped out the .Xauthority file on both boxes >>> and restarted X, to no avail. Possibly I should mention too, that >>> I boot on both boxes to a xdm login. I don't know if that would >>> have any bearing on the problem or not. Thanks for any help I >>> can get on this. >>> >> What happens when you try to do the following? >> >> >> Try to do remote login with as follows >> ssh -Y username@remotehost.dns >> > > I get this: > > Warning: No xauth data; using fake authentication data for X11 > forwarding. > > And, everything I type at the prompt is doubled. > > >> you should be now in the shell on the remote host >> >> try to start x client like xdvi or xfig or something like emacs by >> typing xdvi >> >> If xdvi pops up that means that the client is running on the remote host >> but it is displayer on the local X server >> > > Okay, if after getting in I try to open something like xzgv, I get: > > Xlib: connection to "localhost:10.0" refused by server > Ok you do have a permission problem Read carefully man pages for sshd_config file . You need to uncomment few lines for X tunneling. You can also look at the "Secure Architectures with OpenBSD" section about OpenSSH. I do not think that the problem is with X server though. Best, Predrag > Xlib: Invalid MIT-MAGIC-COOKIE-1 key > > Gtk-WARNING **: cannot open display: localhost:10.0 > > Like I said earlier, I read the man page too on xauth & tried > sending > > xauth extract - $DISPLAY | rsh otherhost xauth merge - > > but it doesn't appear to help. I still get the error messages > and double typed characters. > >
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