Working in the studio, when you launch an applications a login dialog should automatically appear, once your model includes at least one permission - as the doc I referred to in my previosu response explains, permissions are defined via the requiredPermission property or Security/Check Permissions remplate.If your application does not contain any permissions, then adding Modules/Authorization to your application will immediately add the 2 permissions defined there (View Users and View Roles).
If you've added the module, but still there's no prompt for login try the following:
Configuration of the standalone server is a separate matter, as explained in http://www.tersus.com/#Id=242 (See 1.7. Install Tersus Server and Realm deffintion in the context file.
For best results, use the Firefox browser..