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 -- 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/
