FTP 110 Restart Marker Reply vs 530 Not Logged In
FTP 110 (Restart Marker Reply) is a 1xx Positive Preliminary response, while 530 (Not Logged In) is a 5xx Permanent 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, 530 means that not logged in. The user is not authenticated and must log in before the requested command can be executed.
Description
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.
Quand vous le voyez
During a resumed file transfer when the server confirms the restart position in the data stream.
Comment résoudre
No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects.
Description
Not logged in. The user is not authenticated and must log in before the requested command can be executed.
Quand vous le voyez
When you try to access files or run commands before authenticating, or after providing incorrect login credentials.
Comment résoudre
Send USER and PASS commands with valid credentials. If login fails repeatedly, verify the username, password, and check if the account is locked.
Différences clés
110 is a 1xx Positive Preliminary response, while 530 is a 5xx Permanent 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 530: Not logged in. The user is not authenticated and must log in before the requested command can be executed.
You encounter 110 when during a resumed file transfer when the server confirms the restart position in the data stream.
You encounter 530 when when you try to access files or run commands before authenticating, or after providing incorrect login credentials.
Quand utiliser lequel
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 530 (Not Logged In): Send USER and PASS commands with valid credentials. If login fails repeatedly, verify the username, password, and check if the account is locked.