FTP 120 Service Ready Soon vs 200 Command OK
FTP 120 (Service Ready Soon) is a 1xx Positive Preliminary response, while 200 (Command OK) 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, 200 means that the command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.
説明
The service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly.
このコードが表示される場合
When connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.
解決方法
Wait the indicated number of minutes and try connecting again. If the server never becomes ready, contact the server administrator.
説明
The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.
このコードが表示される場合
After issuing any command that completes successfully, such as TYPE, MODE, or NOOP.
解決方法
No fix needed — the command succeeded. This is the standard positive response for commands that don't return data.
主な違い
120 is a 1xx Positive Preliminary response, while 200 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 200: The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.
You encounter 120 when when connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.
You encounter 200 when after issuing any command that completes successfully, such as TYPE, MODE, or NOOP.
どちらをいつ使うか
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 200 (Command OK): No fix needed — the command succeeded. This is the standard positive response for commands that don't return data.