FTP 220 Service Ready vs 257 Pathname Created
Both FTP 220 (Service Ready) and 257 (Pathname Created) belong to the 2xx Positive Completion category. 220 indicates that service ready for new user. This is the greeting message sent by the FTP server when a client first connects. Meanwhile, 257 means that pathname created. The server confirms the creation of a new directory or reports the current working directory path.
説明
Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
このコードが表示される場合
Immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
解決方法
No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.
説明
Pathname created. The server confirms the creation of a new directory or reports the current working directory path.
このコードが表示される場合
After issuing MKD to create a directory or PWD to print the current working directory. The path is enclosed in double quotes.
解決方法
No fix needed — the directory was created or the current path was returned. Parse the quoted pathname from the response.
主な違い
FTP 220: Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
FTP 257: Pathname created. The server confirms the creation of a new directory or reports the current working directory path.
You encounter 220 when immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
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.
どちらをいつ使うか
For 220 (Service Ready): No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate. For 257 (Pathname Created): No fix needed — the directory was created or the current path was returned. Parse the quoted pathname from the response.