Difference between installing Xfree-4.2.0 using setup and install.sh

[Thomas Chadwick]

Whenever I see an error message referring to "MIT-MAGIC-COOKIE", it usually 
has something to do with the (non)existence of an .Xauthority file.

Perhaps installing Cygwin-Xfree86 via one method results in an .Xauthority 
file whereas installing via the other method doesn't?  This would be an 
interesting thing to check.

If I ever see an .Xauthority file, I usually delete it.  Truth be told, I've 
never quite figured out how to use it properly or of what benefit it is to 
me.

FWIW, I launch XWin via xinit, .xinitrc does not contain "xhost +127.0.0.1", 
the value of DISPLAY is reportedly ":0", and everything works just fine 
(including ssh -X).

>From: Harold L Hunt II <huntharo@msu.edu>
>To: cygwin-xfree@cygwin.com
>Subject: Re: Difference between installing Xfree-4.2.0 using setup and 
>install.sh
>Date: Mon, 22 Jul 2002 15:31:16 -0400
>
>Raymond Kwong wrote:
>>I have previously installed Xfree 4.2.0 when it first came out on
>>cygwin, using the old method of running install.sh. Everything worked
>>fine. Recently, I installed Xfree 4.2.0 using setup.exe on another
>>computer (both computers run Windows 2000). On the new computer, if I
>>ssh to another computer using "ssh -X hostname", I get the following
>>error message
>>
>>Xlib: connection to "localhost:10.0" refused by server
>>Xlib: Invalid MIT-MAGIC-COOKIE-1 key
>>Application initialization failed: couldn't connect to display 
>>"localhost:10.0"
>>%
>>
>>This error does not occur with the older installation using install.sh.
>>The cygwin1.dll version is the same, and the ssh version is the same.
>>Fortunately, the error is readily eliminated by adding the line
>>
>>xhost +127.0.0.1
>>
>>to .xinitrc. on the new computer. Then everything works fine.
>>
>>A similar difference can also be reproduced with 2 Windows 98 machines.
>>Is there a reason for this apparent difference?
>>
>>Raymond Kwong
>>
>
>Raymond,
>
>It is always possible that you had made the modification to .xinitrc on the 
>older Cygwin/XFree86 installations and then forgotten that you had done so.
>
>Can you ensure is that the line ``xhost +127.0.0.1'' is not in the .xinitrc 
>files on the hosts that you installed via Xinstall.sh?
>
>Harold

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