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I have been working on this all weekend and it appears something in
F15 has broken the ability to open an X11 app over ssh/vpnc. It
works over ssh to another server on the local network, but it fails
when attempting to ssh over a vpnc connection to work. This worked
fine on F14. Just to double check I installed vpnc on an old F11 VM
running on an F14 host, vpn'ed to work, opened an ssh connection to
a server, and was able to open gedit. The failing behaviour is that
the gedit window does not open and the verbose mode of ssh ends with
the line "confirm x11" before terminal window becomes unresponsive.<br>
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Putting SELinux in permissive mode does not fix it. Setting the
segment size to 1200 (<a
href="http://fixunix.com/x/19398-ssh-x11forwarding-wont-work-please-help.html">one
recommendation</a>) does not fix it. I installed putty and it
displayed similar behaviour. The only difference was that hitting
return repeatedly after the command resulted a couple of command
prompts before it froze. I don't know whether it is the Gnome3, a
bug introduced in F15 or vpnc or some other package. If someone has
any additional suggestions I would be grateful. Thank you.<br>
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