FTP 202 Command Superfluous vs 220 Service Ready
Both FTP 202 (Command Superfluous) and 220 (Service Ready) belong to the 2xx Positive Completion category. 202 indicates that the command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect. Meanwhile, 220 means that service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
Description
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Quand vous le voyez
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Comment résoudre
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Description
Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
Quand vous le voyez
Immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
Comment résoudre
No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.
Différences clés
FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
FTP 220: Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
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.
You encounter 220 when immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
Quand utiliser lequel
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. For 220 (Service Ready): No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.