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Date:      Fri, 13 Sep 1996 13:37:34 -0600
From:      "Mark O'Lear" <Mark.Olear@Colorado.EDU>
To:        Robert Eckardt <roberte@mep.ruhr-uni-bochum.de>
Cc:        questions@freebsd.org
Subject:   Re: 'Invalid MIT-MAGIC-COOKIE-1 key' on 2.1.5
Message-ID:  <3239B7FE.B3B@Colorado.EDU>
References:  <199609131437.QAA14230@gluon.mep.ruhr-uni-bochum.de>

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Robert Eckardt wrote:
> 
> Hello,
> 
> I hope someone can help/explain the following problem/behaviour:
> Since I upgraded (complete new install) my machine beta to 2.1.5-R
> MIT-MAGIC-COOKIE-1 doesn't work any longer.
> 
> The situation:
> 
> The Xserver runs on beta and I added a cookie:
> 
> xauth> add beta:0 MIT-MAGIC-COOKIE-1 1234567890abcdef1234567890abcdef
> xauth> list
> beta.mep.ruhr-uni-bochum.de:0  MIT-MAGIC-COOKIE-1  1234567890abcdef1234567890abcdef
> xauth> exit
> 16:22 beta: /home/roberte 0% echo $DISPLAY
> :0.0
> 16:22 beta: /home/roberte 0% xhost
> access control enabled, only authorized clients can connect
> INET:beta.mep.ruhr-uni-bochum.de
> INET:localhost
> LOCAL:
> 
> <transfer of .Xauthority to gluon>
> 
> Now I try to connect from gluon:
> 
> 16:22 gluon: /u/roberte 0% echo $DISPLAY
> beta.mep.ruhr-uni-bochum.de:0
> 16:22 gluon: /u/roberte 1% xhost
> Xlib: connection to "beta.mep.ruhr-uni-bochum.de:0.0" refused by server
> Xlib: Invalid MIT-MAGIC-COOKIE-1 key
> xhost:  unable to open display "beta.mep.ruhr-uni-bochum.de:0"
> 
> I tried recompiling the kernel, but no luck.
> 
> 16:22 beta: /home/roberte 0% uname -a
> FreeBSD beta 2.1.5-RELEASE FreeBSD 2.1.5-RELEASE #0: Fri Sep 13 13:56:13 MET DST 1996     root@beta.mep.ruhr-uni-bochum.de:/usr/src/sys/compile/BETA1  i386
> 16:22 gluon: /u/roberte 1% uname -a
> FreeBSD gluon 2.1.0-RELEASE FreeBSD 2.1.0-RELEASE #0: Thu May 30 04:28:04 MET DST 1996     root@gluon:/usr/src/sys/compile/GLUON1  i386
> 
> Note, I'm running YP/NIS, with both machines bound to gluon.
> I also tried different DISPLAY vars, but to no avail.
> It used to work with 2.1.0-R.
> All machines use MD5 PWs.
> The r* programs work fine with beta.mep.ruhr-uni-bochum.de in .rhosts
> 
> What else can I check ?
> 
> Thanx,
> Robert
> 
> --
> Robert Eckardt                                                     (
>     Ruhr-Universitaet Bochum, Inst.f.Theor.Physik, NB6/169          )
>     Universitaetsstrasse 150,   D-44780 Bochum,    Germany     ----X---8----
>     Telefon: +49 234 700-3709,   Telefax: +49 234 7094-574             8
>     E-Mail:  RobertE@MEP.Ruhr-Uni-Bochum.de                    --------8----
>     URL:  http://WWW.MEP.Ruhr-Uni-Bochum.de/~roberte
> >>> To be successful one needs friends,                                  <<<
> >>> To be very successful one needs enemies.                             <<<

I bet you aren't running xdm.  If you run xdm, it sets up the
xauth authorization automatically for you.  If you don't,
you will need to tell the X server what authentication
to use (I believe that xhost is used by default).  I have
never done this (I always run xdm), but the following man
pages mention this (using the -auth flag):  Xsecurity(1),
Xserver(1).

Hope this helps.
-- 
Mark O'Lear             \    e-mail: Mark.Olear@Colorado.EDU
University of Colorado   \   phone:  (303) 492-3798
Telecomm. Svcs. (CB 313)  \  fax:    (303) 492-5105
Boulder, CO  80309         \



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