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From Wei ZHOU <>
Subject Security groups support in advanced zone
Date Thu, 15 Jul 2021 12:25:39 GMT
Hi all,

We are investigating security groups support in Advanced zones. it would be
nice to get your feedback.

Some background knowledge:
(1) there are 3 types of zones in cloudstack: Basic, Advanced, Advanced
with Security groups (support KVM and Xenserver. vmware is not supported)
(2) Admins can create shared networks in all 3 zones, but they can only
create isolated networks in the Advanced zones.
(3) For vms on shared networks in Basic zone or Advanced zone with Security
groups. users can create security groups and associate it to the VMs as
firewalls. The security group rules are applied on hypervisors
(4) For vms on shared networks in an Advanced zone , there are no security
group rules. all ports are open, users have to configure firewall inside

I am wondering if it is necessary to add security groups for shared
networks in Advanced zones. Here are some advantages
(1) vms on shared networks will have firewall rules (applied on hypervisor).
(2) we do not need to manage multiple zone types.
Basic zones = advanced zone with only 1 shared network
Advanced zone with security groups = advanced zone with multiple shared

What's your opinion ? Will it be helpful for you ?

Kind regards,

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