Greeting: I want my instances not be able to communicate to each other, I know it is possible to set the firewall manually. I just want know if there are more graceful way to do that thanks William Herry -- Where there is a will, there is a way. WilliamHerryChina at Gmail.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120405/3b2c902f/attachment.html>