This is now working as expected using Ubuntu 8.10 / Ubuntu 9.04 Beta from home and using X forwarding from my work desktop (Ubuntu 8.10) over a PPTP VPN.
network-manager-pptp versions: Ubuntu 8.10: 0.7~~svn20081015t024626-0ubuntu1.8.10.1 Ubuntu 9.04 Beta: 0.7.1~rc4.20090316+bzr23-0ubuntu2 -- SSH X11 Forwarding over PPTP VPN breaks connection https://bugs.launchpad.net/bugs/205023 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs