If an error occurs when you use the availability monitoring feature of Cloud Monitor to detect the availability of a specified path or port, the corresponding status code is returned.

The following table lists the status codes.

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.
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.
631 The status code returned because the monitoring fails.