Re: RE: ssh chaining?


Subject: Re: RE: ssh chaining?
From: Troy Melhase (troy@gci.net)
Date: Tue Feb 03 2004 - 09:17:39 AKST


Leif pointed this out to me:

ssh -X user@host

The -X parameter has to be there. I do exactly this type of box hopping to get to my home workstation from the office.

----- Original Message -----
From: Mac Mason <macmasta@ak.net>
Date: Tuesday, February 3, 2004 9:14 am
Subject: RE: ssh chaining?

>
> Yes, but that undoes the nice 'encryption' thing we all like ssh for,
> and just sends your X traffic in plaintext. ('text'? Sort of...)
>
> Anyway, I'd double-check that you have X forwarding enabled on all the
> machines in question, and then I'd install X11 on the openBSD machine,
> and just not run it, because I'll bet X11 forwarding relies on some
> subset of the X libraries.
>
>
> ~Mac~
>
>
> On Tue, 2004-02-03 at 09:50, Hassler, Jeff wrote:
> > You probably need to set the display; although, I haven't tried this
> > going through a 'middle tier'.
> >
> > From the 'client':
> > xhost <host name>
> > xhost <middle tier name>
> >
> > From the 'host'
> > export DISPLAY=3D<client name>:0.0
> >
> > Then test the xclock.
> >
> > I tried it out, and it worked.=20
> >
> > -----Original Message-----
> > From: aklug-bounce@aklug.org [aklug-bounce@aklug.org] On Behalf
> > Of Thomison, Lee
> > Sent: Monday, February 02, 2004 11:08 AM
> > To: aklug@aklug.org
> > Subject: ssh chaining?
> >
> >
> > I'm trying to do X windows thru a 'chain' of ssh logins...
> >
> > Me -> ssh box1 -> ssh box2
> >
> > Is this doable?
> >
> > I ssh into box1, and then from box1 I ssh into box2. I actually
> want to
> > be doing X work in box2, using my laptop as a X11 'terminal' at
> kaladi> bros. In, say, Hawaii....
> >
> > As you may have guessed tho, it doesn't work. Here's the error:
> >
> > Error: Can't open display:
> >
> > My laptop has Xfree on it (gentoo)
> >
> > Box1 is an openbsd box that does not have X on it. I can ssh
> into box1
> > just fine.
> >
> > I can ssh into box2 just fine. It has X on it. But typing xclock&
> > gives the "error: can't open display:". No display number
> >
> > Here's the box1 sshd_config:
> >
> > Port 22
> > Protocol 2
> > AllowTCPForwarding yes
> > X11Forwarding yes
> > GatewayPorts yes
> >
> > Box1 ssh_config:
> >
> > Host *
> > ForwardX11 yes
> > Protocol 2
> > Port 22
> > ForwardAgent yes
> >
> > box2 sshd_config:
> >
> > Port 22
> > Protocol 2
> > AllowTCPForwarding yes
> > X11Forwarding yes
> > GatewayPorts yes
> >
> > Box2 ssh_config:
> >
> > Host *
> > ForwardX11 yes
> > Protocol 2
> > Port 22
> > ForwardAgent yes
> >
> > What am I missing?
> >
> > Thx,
> >
> > Lee
> > ---------
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> >
>
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>

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