Hi, Nate, thanks for your reply. May I ask a little stupid question? What's the difference between fwaas and security group? In my opinion, fwaas and security group are both using linux iptables now. So, what's the differences between them? Thanks Zhi Chang -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20161219/103e7456/attachment.html>