FTP 150 File Status OK vs 250 File Action OK
FTP 150 (File Status OK) is a 1xx Positive Preliminary response, while 250 (File Action OK) 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, 250 means that requested file action okay, completed. The operation on the file or directory was successful.
Description
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.
When You See It
Right before a file download or upload begins, confirming the file is accessible and the data channel is being opened.
How to Fix
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.
Description
Requested file action okay, completed. The operation on the file or directory was successful.
When You See It
After successfully changing directories (CWD), deleting a file (DELE), or renaming a file (RNTO).
How to Fix
No fix needed — the file operation completed successfully.
Key Differences
150 is a 1xx Positive Preliminary response, while 250 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 250: Requested file action okay, completed. The operation on the file or directory was successful.
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 250 when after successfully changing directories (CWD), deleting a file (DELE), or renaming a file (RNTO).
When to Use Which
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 250 (File Action OK): No fix needed — the file operation completed successfully.