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