FTP 202 Command Superfluous vs 500 Syntax Error
FTP 202 (Command Superfluous) is a 2xx Positive Completion response, while 500 (Syntax Error) is a 5xx Permanent Negative response. 202 indicates that the command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect. In contrast, 500 means that syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
Beschreibung
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Wann Sie es sehen
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Wie man es behebt
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Beschreibung
Syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
Wann Sie es sehen
When you send a malformed or misspelled command, or a command the server does not recognize at all.
Wie man es behebt
Check the command spelling and syntax. Use HELP to see the list of supported commands on this server.
Wesentliche Unterschiede
202 is a 2xx Positive Completion response, while 500 is a 5xx Permanent Negative response.
FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
FTP 500: Syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
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 500 when when you send a malformed or misspelled command, or a command the server does not recognize at all.
Wann welchen verwenden
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 500 (Syntax Error): Check the command spelling and syntax. Use HELP to see the list of supported commands on this server.