FTP

FTP 120 Service Ready Soon vs 211 System Status

FTP 120 (Service Ready Soon) is a 1xx Positive Preliminary response, while 211 (System Status) 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, 211 means that system status or system help reply. The server provides information about its current status or available features.

Описание

The service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly.

Когда вы это видите

When connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.

Как исправить

Wait the indicated number of minutes and try connecting again. If the server never becomes ready, contact the server administrator.

Описание

System status or system help reply. The server provides information about its current status or available features.

Когда вы это видите

After issuing the STAT command without arguments, the server returns its system status and supported features.

Как исправить

No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.

Ключевые различия

1.

120 is a 1xx Positive Preliminary response, while 211 is a 2xx Positive Completion response.

2.

FTP 120: The service will be ready in a certain number of minutes. The server is not yet available but expects to be shortly.

3.

FTP 211: System status or system help reply. The server provides information about its current status or available features.

4.

You encounter 120 when when connecting to an FTP server that is starting up or temporarily busy with maintenance tasks.

5.

You encounter 211 when after issuing the STAT command without arguments, the server returns its system status and supported features.

Когда что использовать

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 211 (System Status): No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.

Узнать больше