FTP 202 Command Superfluous vs 230 User Logged In
Both FTP 202 (Command Superfluous) and 230 (User Logged In) 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, 230 means that user logged in, proceed. The authentication was successful and the user has full access to the FTP server.
Mô tả
The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
Khi bạn thấy mã này
When you send a command the server recognizes but considers unnecessary, such as ALLO on a server that does not require pre-allocation.
Cách khắc phục
No fix needed — the server is telling you the command is not necessary. You can safely ignore this response and continue.
Mô tả
User logged in, proceed. The authentication was successful and the user has full access to the FTP server.
Khi bạn thấy mã này
After providing valid credentials with USER and PASS commands, or after anonymous login on servers that allow it.
Cách khắc phục
No fix needed — you are authenticated. Proceed with CWD, LIST, RETR, STOR, or other file operations.
Sự khác biệt chính
FTP 202: The command is not implemented but is recognized as superfluous. The server acknowledges the command but it has no effect.
FTP 230: User logged in, proceed. The authentication was successful and the user has full access to the FTP server.
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 230 when after providing valid credentials with USER and PASS commands, or after anonymous login on servers that allow it.
Khi nào dùng cái nào
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 230 (User Logged In): No fix needed — you are authenticated. Proceed with CWD, LIST, RETR, STOR, or other file operations.