Can we add an "action" to security group rule api, so that we could dispatch rules with "deny" action? Until now， security group only supports add white-list rules but this couldn't satisfy many people's needs. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20170424/d004a4b7/attachment.html>