The gateway authorization/authentication method. This setting
determines how Cloud IoT Core authorizes/authenticate devices to
access the gateway.
No authentication/authorization method
specified. No devices are allowed to access the
The device is authenticated through the
gateway association only. Device credentials are
ignored even if provided.
The device is authenticated through its own
credentials. Gateway association is not checked.
The device is authenticated through both
device credentials and gateway association. The
device must be bound to the gateway and must
provide its own credentials.