FTP 211 System Status vs 221 Closing Control Connection
Both FTP 211 (System Status) and 221 (Closing Control Connection) belong to the 2xx Positive Completion category. 211 indicates that system status or system help reply. The server provides information about its current status or available features. Meanwhile, 221 means that service closing control connection. The server is logging out and closing the session in response to a QUIT command.
Beschreibung
System status or system help reply. The server provides information about its current status or available features.
Wann Sie es sehen
After issuing the STAT command without arguments, the server returns its system status and supported features.
Wie man es behebt
No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.
Beschreibung
Service closing control connection. The server is logging out and closing the session in response to a QUIT command.
Wann Sie es sehen
After issuing the QUIT command to gracefully disconnect from the FTP server.
Wie man es behebt
No fix needed — the session has ended normally. Reconnect with a new session if needed.
Wesentliche Unterschiede
FTP 211: System status or system help reply. The server provides information about its current status or available features.
FTP 221: Service closing control connection. The server is logging out and closing the session in response to a QUIT command.
You encounter 211 when after issuing the STAT command without arguments, the server returns its system status and supported features.
You encounter 221 when after issuing the QUIT command to gracefully disconnect from the FTP server.
Wann welchen verwenden
For 211 (System Status): No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state. For 221 (Closing Control Connection): No fix needed — the session has ended normally. Reconnect with a new session if needed.