This topic details the metrics for the FTP service.

  • Availability - An FTP service is considered available if the 3 digit response code it returns begins with 1, 3, or 3. The agent reports the service to be unavailable if there is no response, or a response code that begins with 4 or 5.

  • Connection Metrics

    • All Inbound Connections - Number of inbound connections of all types to the service.

    • All Outbound Connections - Number of outbound connections of all types from the service.

    • Inbound Connections - Number of inbound TCP connections to the service.

    • Outbound Connections - Number of outbound TCP connections from the service.

  • Response Time - The time (in ms) it took to determine service availability.

  • TCP connection state metrics - The number of connections in each connection state is reported:

    • CLOSE_WAIT

    • CLOSED

    • ESTABLISHED

    • FIN_WAIT_1

    • FIN_WAIT_2

    • LAST_ACK

    • LISTEN

    • SYN_RECEIVED

    • SYN_SEND

    • TIME_WAIT