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Re: Sshd: problem with X11 passthru
On Mar 27 18:55, David Picton wrote:
> I have encountered a problem with the sshd server when the client
> specifies X11 passthru i.e. ssh -Y or ssh -X.
>
> The allocation of virtual displays doesn't work correctly if two or
> more X11-enabled sessions run at the same time.
>
> As I understand it, the server should give each session a unique
> display number under these circumstances: localhost:10.0,
> localhost:11.0, localhost:12.0 etc.
>
> Instead, all the sessions have DISPLAY=localhost:10.0 at the same
> time. This causes a variety of problems - loss of access to the X
> server (due to changed Magic Cookie authorization on the server when a
> new client connects), or the appearance of windows on the wrong server
> (if two different clients connect).
>
> (Note that setting up Magic Cookie authorization on the client machine
> makes no difference to this bug. It prevents the client-side warning
> about 'fake authorization' but it doesn't cure any of the server-side
> problems!)
I don't see anything Cygwin specific here. You should ask your
question on a mailing list or newsgroup dedicated to OpenSSH.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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