FTP 110 Restart Marker Reply vs 202 Command Superfluous
FTP 110 (Restart Marker Reply) is a 1xx Positive Preliminary response, while 202 (Command Superfluous) is a 2xx Positive Completion 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, 202 means that the command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Descrição
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.
Quando você o vê
During a resumed file transfer when the server confirms the restart position in the data stream.
Como corrigir
No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects.
Descrição
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Quando você o vê
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Como corrigir
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Diferenças principais
110 is a 1xx Positive Preliminary response, while 202 is a 2xx Positive Completion 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 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
You encounter 110 when during a resumed file transfer when the server confirms the restart position in the data stream.
You encounter 202 when when you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Quando usar qual
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 202 (Command Superfluous): No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.