>From: Corinna Vinschen <corinna-cygwin at cygwin dot com> >To: cygwin at cygwin dot com >Date: Tue, 28 Mar 2006 09:37:28 +0200 >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
Apologies for not making it clear that I was talking about the Cygwin port of sshd. The bug seems to be specific to the Cygwin version and I've not seen it on other systems. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
