From owner-freebsd-questions  Wed Sep 20 22: 2: 9 2000
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Date: Wed, 20 Sep 2000 22:03:37 -0700 (PDT)
From: Igor Serikov <bt@turtle.pangeatech.com>
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To: Alfred Perlstein <bright@wintelcom.net>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: openssh & FreeBSD 4.0: X11frorwarding
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  Alfred,

 The settings are:

  X11Forwarding yes
  X11DisplayOffset 10

 When the forwarding is disabled sshd rejects the request immediately.
 The debugging message bellow is issued by the local ssh client
 after it failed to match the protocol name (MIT_MAGIC-COOKIE-1).
 When looking to tcpdump listing I couldnot find any place where
 the cookie was sent to ssh-captured port. Yet, the client
 itself works with old sshd on another machine. So, the problem
 is obviously somewere on the server side.

  Thanks,
   Igor.
                    

On Wed, 20 Sep 2000, Alfred Perlstein wrote:

> Date: Wed, 20 Sep 2000 11:51:39 -0700
> From: Alfred Perlstein <bright@wintelcom.net>
> To: Igor Serikov <bt@turtle.pangeatech.com>
> Cc: freebsd-questions@FreeBSD.ORG
> Subject: Re: openssh & FreeBSD 4.0: X11frorwarding
> 
> * Igor Serikov <bt@turtle.pangeatech.com> [000920 11:28] wrote:
> >  
> >   Hello,
> > 
> >  I just have upgraded my machine from 3.3 to 4.0. This system has
> > openssh
> > as a part of the "world" and I decided to use it. It was the beginning
> > of my
> > troubles.
> > 
> >  When I type 
> > "ssh -v localhost" everything goes fine until I try to 
> > forward an X11 application. This gives me the following:
> > 
> > debug: Received X11 open request.
> > debug: channel 0: new [X11 connection from localhost port 1999]
> > debug: X11 connection uses different authentication protocol.
> > 
> >  "xauth list $DISLPAY" shows a good looking cookie. $DISPLAY is set
> > correctly
> > (localhost:10).
> > 
> >  There was no problem with the old ssh (one from ports).
> > 
> >  Is this a known problem ? 
> 
> What are your sshd settings (/etc/ssh/sshd_config) for X11 forwarding?
> are you using 'ssh -X localhost'?
> 
> -Alfred
> 



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