FTP 110 Restart Marker Reply vs 150 File Status OK
Both FTP 110 (Restart Marker Reply) and 150 (File Status OK) belong to the 1xx Positive Preliminary category. 110 indicates that the server is sending a restart marker reply. The text is exact and not left to interpretation. This marker is used to indicate the point at which a file transfer should be restarted. Meanwhile, 150 means 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.
Описание
The server is sending a restart marker reply. The text is exact and not left to interpretation. This marker is used to indicate the point at which a file transfer should be restarted.
Когда вы это видите
During a resumed file transfer when the server confirms the restart position in the data stream.
Как исправить
No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects.
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.
Ключевые различия
FTP 110: The server is sending a restart marker reply. The text is exact and not left to interpretation. This marker is used to indicate the point at which a file transfer should be restarted.
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.
You encounter 110 when during a resumed file transfer when the server confirms the restart position in the data stream.
You encounter 150 when right before a file download or upload begins, confirming the file is accessible and the data channel is being opened.
Когда что использовать
For 110 (Restart Marker Reply): No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects. 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.