FTP 110 Restart Marker Reply vs 426 Connection Closed
FTP 110 (Restart Marker Reply) is a 1xx Positive Preliminary response, while 426 (Connection Closed) is a 4xx Transient Negative response. 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. In contrast, 426 means that connection closed; transfer aborted. The data connection was closed unexpectedly during a file transfer.
Beschreibung
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.
Wann Sie es sehen
During a resumed file transfer when the server confirms the restart position in the data stream.
Wie man es behebt
No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects.
Beschreibung
Connection closed; transfer aborted. The data connection was closed unexpectedly during a file transfer.
Wann Sie es sehen
When a file transfer is interrupted due to a network timeout, client disconnect, or the data connection dropping mid-transfer.
Wie man es behebt
Retry the transfer. If it keeps failing, check network stability, increase timeout values, and verify there are no firewalls killing idle connections.
Wesentliche Unterschiede
110 is a 1xx Positive Preliminary response, while 426 is a 4xx Transient Negative response.
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 426: Connection closed; transfer aborted. The data connection was closed unexpectedly during 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 426 when when a file transfer is interrupted due to a network timeout, client disconnect, or the data connection dropping mid-transfer.
Wann welchen verwenden
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 426 (Connection Closed): Retry the transfer. If it keeps failing, check network stability, increase timeout values, and verify there are no firewalls killing idle connections.