FTP 212 Directory Status vs 227 Entering Passive Mode
Both FTP 212 (Directory Status) and 227 (Entering Passive Mode) 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, 227 means that entering Passive Mode. The server provides an IP address and port number for the client to connect to for data transfer, formatted as (h1,h2,h3,h4,p1,p2).
Mô tả
Directory status reply. The server provides information about the current directory or a specified directory.
Khi bạn thấy mã này
After issuing the STAT command on a directory, the server returns the directory listing or status information.
Cách khắc phục
No fix needed — this is an informational response showing directory contents or status.
Mô tả
Entering Passive Mode. The server provides an IP address and port number for the client to connect to for data transfer, formatted as (h1,h2,h3,h4,p1,p2).
Khi bạn thấy mã này
After issuing the PASV command. The server switches to passive mode and tells the client where to connect for data transfer.
Cách khắc phục
No fix needed — parse the IP and port from the response to establish the data connection. If connections fail, check NAT/firewall rules on the passive port range.
Sự khác biệt chính
FTP 212: Directory status reply. The server provides information about the current directory or a specified directory.
FTP 227: Entering Passive Mode. The server provides an IP address and port number for the client to connect to for data transfer, formatted as (h1,h2,h3,h4,p1,p2).
You encounter 212 when after issuing the STAT command on a directory, the server returns the directory listing or status information.
You encounter 227 when after issuing the PASV command. The server switches to passive mode and tells the client where to connect for data transfer.
Khi nào dùng cái nào
For 212 (Directory Status): No fix needed — this is an informational response showing directory contents or status. For 227 (Entering Passive Mode): No fix needed — parse the IP and port from the response to establish the data connection. If connections fail, check NAT/firewall rules on the passive port range.