FTP 215 System Type vs 227 Entering Passive Mode
Both FTP 215 (System Type) and 227 (Entering Passive Mode) belong to the 2xx Positive Completion category. 215 indicates that the NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server. 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).
Deskripsi
The NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server.
Ketika Anda Melihatnya
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
Cara Memperbaiki
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
Deskripsi
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).
Ketika Anda Melihatnya
After issuing the PASV command. The server switches to passive mode and tells the client where to connect for data transfer.
Cara Memperbaiki
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.
Perbedaan Utama
FTP 215: The NAME system type, where NAME is an official system name from the list in the Assigned Numbers document. Reports the operating system of the server.
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 215 when after issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
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.
Kapan Menggunakan Yang Mana
For 215 (System Type): No fix needed — use this information to adjust path separators and line endings for the server's OS type. 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.