FTP 120 Service Ready Soon vs 202 Command Superfluous
FTP 120 (Service Ready Soon) is a 1xx Positive Preliminary response, while 202 (Command Superfluous) is a 2xx Positive Completion 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, 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 service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly.
Quando você o vê
When connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.
Como corrigir
Wait the indicated number of minutes and try connecting again. If the server never becomes ready, contact the server administrator.
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
120 is a 1xx Positive Preliminary response, while 202 is a 2xx Positive Completion 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 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
You encounter 120 when when connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.
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 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 202 (Command Superfluous): No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.