FTP 150 File Status OK vs 211 System Status
FTP 150 (File Status OK) is a 1xx Positive Preliminary response, while 211 (System Status) is a 2xx Positive Completion response. 150 indicates that the file status is okay and the server is about to open the data connection for the transfer. This is the normal precursor to a file transfer. In contrast, 211 means that system status or system help reply. The server provides information about its current status or available features.
Описание
The file status is okay and the server is about to open the data connection for the transfer. This is the normal precursor to a file transfer.
Когда вы это видите
Right before a file download or upload begins, confirming the file is accessible and the data channel is being opened.
Как исправить
No fix needed — this means the transfer is about to start. If the transfer stalls after this reply, check firewall rules blocking the data connection.
Описание
System status or system help reply. The server provides information about its current status or available features.
Когда вы это видите
After issuing the STAT command without arguments, the server returns its system status and supported features.
Как исправить
No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.
Ключевые различия
150 is a 1xx Positive Preliminary response, while 211 is a 2xx Positive Completion response.
FTP 150: The file status is okay and the server is about to open the data connection for the transfer. This is the normal precursor to a file transfer.
FTP 211: System status or system help reply. The server provides information about its current status or available features.
You encounter 150 when right before a file download or upload begins, confirming the file is accessible and the data channel is being opened.
You encounter 211 when after issuing the STAT command without arguments, the server returns its system status and supported features.
Когда что использовать
For 150 (File Status OK): No fix needed — this means the transfer is about to start. If the transfer stalls after this reply, check firewall rules blocking the data connection. For 211 (System Status): No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.