FTP 120 Service Ready Soon vs 500 Syntax Error
FTP 120 (Service Ready Soon) is a 1xx Positive Preliminary response, while 500 (Syntax Error) is a 5xx Permanent Negative response. 120 indicates that the service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly. 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.
Descripción
The service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly.
Cuándo lo verás
When connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.
Cómo solucionarlo
Wait the indicated number of minutes and try connecting again. If the server never becomes ready, contact the server administrator.
Descripción
Syntax error, command unrecognized. The server could not parse the command. This may also be sent when the command line is too long.
Cuándo lo verás
When you send a malformed or misspelled command, or a command the server does not recognize at all.
Cómo solucionarlo
Check the command spelling and syntax. Use HELP to see the list of supported commands on this server.
Diferencias clave
120 is a 1xx Positive Preliminary response, while 500 is a 5xx Permanent Negative response.
FTP 120: The service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly.
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 120 when when connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.
You encounter 500 when when you send a malformed or misspelled command, or a command the server does not recognize at all.
Cuándo usar cada uno
For 120 (Service Ready Soon): Wait the indicated number of minutes and try connecting again. If the server never becomes ready, contact the server administrator. For 500 (Syntax Error): Check the command spelling and syntax. Use HELP to see the list of supported commands on this server.