FTP 220 Service Ready vs 230 User Logged In
Both FTP 220 (Service Ready) and 230 (User Logged In) 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, 230 means that user logged in, proceed. The authentication was successful and the user has full access to the FTP server.
Описание
Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
Когда вы это видите
Immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
Как исправить
No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.
Описание
User logged in, proceed. The authentication was successful and the user has full access to the FTP server.
Когда вы это видите
After providing valid credentials with USER and PASS commands, or after anonymous login on servers that allow it.
Как исправить
No fix needed — you are authenticated. Proceed with CWD, LIST, RETR, STOR, or other file operations.
Ключевые различия
FTP 220: Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
FTP 230: User logged in, proceed. The authentication was successful and the user has full access to the FTP server.
You encounter 220 when immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
You encounter 230 when after providing valid credentials with USER and PASS commands, or after anonymous login on servers that allow it.
Когда что использовать
For 220 (Service Ready): No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate. For 230 (User Logged In): No fix needed — you are authenticated. Proceed with CWD, LIST, RETR, STOR, or other file operations.