FTP

FTP 211 System Status vs 550 File Unavailable

FTP 211 (System Status) is a 2xx Positive Completion response, while 550 (File Unavailable) is a 5xx Permanent Negative response. 211 indicates that system status or system help reply. The server provides information about its current status or available features. In contrast, 550 means that requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.

Descripción

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

Cuándo lo verás

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

Cómo solucionarlo

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

Descripción

Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.

Cuándo lo verás

When you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.

Cómo solucionarlo

Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.

Diferencias clave

1.

211 is a 2xx Positive Completion response, while 550 is a 5xx Permanent Negative response.

2.

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

3.

FTP 550: Requested action not taken. File unavailable — the file does not exist, the path is wrong, or you do not have permission to access it.

4.

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

5.

You encounter 550 when when you try to download, delete, or navigate to a file or directory that does not exist or is restricted by server permissions.

Cuándo usar cada uno

For 211 (System Status): No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state. For 550 (File Unavailable): Verify the file path and name are correct (FTP paths are case-sensitive on most servers). Check your user permissions with the server administrator.

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