FTP 211 System Status vs 225 Data Connection Open
Both FTP 211 (System Status) and 225 (Data Connection Open) 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, 225 means that data connection open; no transfer in progress. The data channel is established and ready but no file transfer has started yet.
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
Data connection open; no transfer in progress. The data channel is established and ready but no file transfer has started yet.
Wann Sie es sehen
When the data connection is established but idle, waiting for a transfer command to begin sending or receiving data.
Wie man es behebt
No fix needed — the data connection is ready. Issue a RETR, STOR, or LIST command to start using it.
Wesentliche Unterschiede
FTP 211: System status or system help reply. The server provides information about its current status or available features.
FTP 225: Data connection open; no transfer in progress. The data channel is established and ready but no file transfer has started yet.
You encounter 211 when after issuing the STAT command without arguments, the server returns its system status and supported features.
You encounter 225 when when the data connection is established but idle, waiting for a transfer command to begin sending or receiving data.
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 225 (Data Connection Open): No fix needed — the data connection is ready. Issue a RETR, STOR, or LIST command to start using it.