FTP 211 System Status vs 229 Entering Extended Passive Mode
Both FTP 211 (System Status) and 229 (Entering Extended Passive Mode) belong to the 2xx Positive Completion category. 211 indicates that system status or system help reply. The server provides information about its current status or available features. Meanwhile, 229 means that entering Extended Passive Mode. The server provides only a port number for the data connection, using the same IP as the control connection. Works with both IPv4 and IPv6.
Mô tả
System status or system help reply. The server provides information about its current status or available features.
Khi bạn thấy mã này
After issuing the STAT command without arguments, the server returns its system status and supported features.
Cách khắc phục
No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state.
Mô tả
Entering Extended Passive Mode. The server provides only a port number for the data connection, using the same IP as the control connection. Works with both IPv4 and IPv6.
Khi bạn thấy mã này
After issuing the EPSV command. The server responds with a port number in the format (|||port|) for the client to connect to.
Cách khắc phục
No fix needed — connect to the server's control IP on the provided port. If it fails, try falling back to PASV (227) or check firewall rules.
Sự khác biệt chính
FTP 211: System status or system help reply. The server provides information about its current status or available features.
FTP 229: Entering Extended Passive Mode. The server provides only a port number for the data connection, using the same IP as the control connection. Works with both IPv4 and IPv6.
You encounter 211 when after issuing the STAT command without arguments, the server returns its system status and supported features.
You encounter 229 when after issuing the EPSV command. The server responds with a port number in the format (|||port|) for the client to connect to.
Khi nào dùng cái nào
For 211 (System Status): No fix needed — this is an informational response. Use the information to understand the server's capabilities and current state. For 229 (Entering Extended Passive Mode): No fix needed — connect to the server's control IP on the provided port. If it fails, try falling back to PASV (227) or check firewall rules.