The availability monitoring feature of Cloud Monitor returns a status code when an exception occurs during the monitoring. The following table describes the status codes that may be returned by the availability monitoring feature.

Protocol Status code Description
HTTP 610 The status code returned because the connection times out. If Cloud Monitor does not receive a response within 5 seconds after Cloud Monitor sends an HTTP request, Cloud Monitor determines that the connection times out.
HTTP 611 The status code returned because the monitoring fails.
Telnet 630 The status code returned because the connection times out. If Cloud Monitor does not receive a response within 5 seconds after Cloud Monitor sends a Telnet request, Cloud Monitor determines that the connection times out.
Telnet 631 The status code returned because the monitoring fails.