FTP 212 Directory Status vs 220 Service Ready
Both FTP 212 (Directory Status) and 220 (Service Ready) belong to the 2xx Positive Completion category. 212 indicates that directory status reply. The server provides information about the current directory or a specified directory. Meanwhile, 220 means that service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
Descrição
Directory status reply. The server provides information about the current directory or a specified directory.
Quando você o vê
After issuing the STAT command on a directory, the server returns the directory listing or status information.
Como corrigir
No fix needed — this is an informational response showing directory contents or status.
Descrição
Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
Quando você o vê
Immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
Como corrigir
No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.
Diferenças principais
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 220: Service ready for new user. This is the greeting message sent by the FTP server when a client first connects.
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 220 when immediately upon connecting to an FTP server. This is the welcome banner confirming the server is accepting connections.
Quando usar qual
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 220 (Service Ready): No fix needed — the server is ready. Proceed with USER and PASS commands to authenticate.