...
For every TDS Server there is created a separate Security Group called "<server hostname>_default".
Security Group List
Security Group List view includes all Server Security Groups and Project Default Security Group.Project Admin can add another Security Group using button.
A Security Group is created automatically when new server is created. There is no need to create security group by user.
Default Security Group
Default Security Group is enabled by default to all project servers and includes a few Security Rules which enables access from Servers to external networks and opens ssh connection to Servers.
...