Yes, Cisco ASA devices are supported - there is a link to a video guide available from here: http://www.gns3.net/documentation/
With regards to your question and other bug report... GNS3 will now be maintained again, as I have taken over as maintainer in Debian, following Erik Wenzel work. I have also subscribed you to the original bug report, for the bug you reported: https://bugs.launchpad.net/ubuntu/+source/gns3/+bug/1152884 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1054841 Title: gns3 crash on startup, fresh install To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gns3/+bug/1054841/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
