Delete the security group

Before deleting a group, you must disconnect it from all ports to which it is assigned.

Make sure that disconnected the security group from all ports. The list of ports with a group can be viewed in control panels: from the top menu, press Products → Cloud servers → Security groups → security group page → tab Ports.
В control panels from the top menu, press Products and select Cloud servers.
Go to the section Security groups.
On the menu security teams select Delete.
Click Delete.

Open the OpenStack CLI.
Remove the group separately from each port to which it is assigned:
```
openstack port unset \
    --security-group <security-group> \
    <port>
```
Specify:
- <security_group> — ID or security group name, can be viewed using the command openstack security group list;
- <port> — Port ID with a group, can be copied to control panels: from the top menu, press Products → Cloud servers → Security groups → security group page → tab Ports → in the field UUID click .
Remove the security group:
```
openstack security group delete <security_group>
```
Specify <security_group>- Security group ID, can be viewed with the command openstack security group list.