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.
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: