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Subject: Re: how can I disable the warning about X11 forwarding
To: cygwin@cygwin.com
References: <dcce3c3876ff4fd0a63ce4d44b5b5a81@DB4PR90MB0154.MGDPHG.emi.philips.com> <56169E05.7040703@freenet.de>
From: Ken Jackson <cygwin@jackson.io>
Message-id: <5618BAC7.4030505@jackson.io>
Date: Sat, 10 Oct 2015 03:14:15 -0400
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On 10/08/2015 12:47 PM, Peter wrote:
> I want to allow some users to run an interactive program on my w2012
> server via ssh.
> The program is a console app so I do not need X forwarding.
> Users are connecting via putty without an X server.
> Alas they always get nagged with the
> "WARNING: No xauth data; using fake authentication data for X11
> forwarding."
> Is there a way to get rid of this message?

I have this in my ~/.bashrc file to add xauth data:

if [ -n "$DISPLAY" -a -z "$(xauth list ":${DISPLAY#*:}" 2>/dev/null)" ]
then
     xauth add "$DISPLAY" . "$(date | md5sum | cut -b1-32)"
fi


Alternately, try putting this in /etc/ssh_config:

   ForwardX11 no

-Ken

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