FTP 202 Command Superfluous vs 257 Pathname Created
Both FTP 202 (Command Superfluous) and 257 (Pathname Created) belong to the 2xx Positive Completion category. 202 indicates that the command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect. Meanwhile, 257 means that pathname created. The server confirms the creation of a new directory or reports the current working directory path.
描述
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
何时出现
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
如何修复
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
描述
Pathname created. The server confirms the creation of a new directory or reports the current working directory path.
何时出现
After issuing MKD to create a directory or PWD to print the current working directory. The path is enclosed in double quotes.
如何修复
No fix needed — the directory was created or the current path was returned. Parse the quoted pathname from the response.
主要区别
FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
FTP 257: Pathname created. The server confirms the creation of a new directory or reports the current working directory path.
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.
You encounter 257 when after issuing MKD to create a directory or PWD to print the current working directory. The path is enclosed in double quotes.
何时使用哪个
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 257 (Pathname Created): No fix needed — the directory was created or the current path was returned. Parse the quoted pathname from the response.