FTP

FTP 202 Command Superfluous vs 553 File Name Not Allowed

FTP 202 (Command Superfluous) is a 2xx Positive Completion response, while 553 (File Name Not Allowed) is a 5xx Permanent Negative response. 202 indicates that the command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect. In contrast, 553 means that requested action not taken. File name not allowed. The file or directory name violates the server's naming rules or filesystem restrictions.

Deskripsi

The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.

Ketika Anda Melihatnya

When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.

Cara Memperbaiki

No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.

Deskripsi

Requested action not taken. File name not allowed. The file or directory name violates the server's naming rules or filesystem restrictions.

Ketika Anda Melihatnya

When you try to create or rename a file with characters the server's filesystem does not allow, such as special characters or reserved names.

Cara Memperbaiki

Rename the file to use only allowed characters. Avoid special characters like ?, *, |, <, >, and leading/trailing spaces or dots.

Perbedaan Utama

1.

202 is a 2xx Positive Completion response, while 553 is a 5xx Permanent Negative response.

2.

FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.

3.

FTP 553: Requested action not taken. File name not allowed. The file or directory name violates the server's naming rules or filesystem restrictions.

4.

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.

5.

You encounter 553 when when you try to create or rename a file with characters the server's filesystem does not allow, such as special characters or reserved names.

Kapan Menggunakan Yang Mana

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. For 553 (File Name Not Allowed): Rename the file to use only allowed characters. Avoid special characters like ?, *, |, <, >, and leading/trailing spaces or dots.

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