FTP 215 System Type vs 331 Username OK, Need Password
FTP 215 (System Type) is a 2xx Positive Completion response, while 331 (Username OK, Need Password) is a 3xx Positive Intermediate response. 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. In contrast, 331 means that user name okay, need password. The server recognized the username and is waiting for the corresponding password to complete authentication.
คำอธิบาย
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.
เมื่อคุณพบเห็น
After issuing the SYST command. The server reports its operating system type, commonly 'UNIX Type: L8' or 'Windows_NT'.
วิธีแก้ไข
No fix needed — use this information to adjust path separators and line endings for the server's OS type.
คำอธิบาย
User name okay, need password. The server recognized the username and is waiting for the corresponding password to complete authentication.
เมื่อคุณพบเห็น
After sending the USER command with a valid username. The server is prompting for the PASS command.
วิธีแก้ไข
Send the PASS command with the correct password. If you get 530 after PASS, the password is wrong — verify your credentials.
ความแตกต่างหลัก
215 is a 2xx Positive Completion response, while 331 is a 3xx Positive Intermediate response.
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 331: User name okay, need password. The server recognized the username and is waiting for the corresponding password to complete authentication.
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 331 when after sending the USER command with a valid username. The server is prompting for the PASS command.
ควรใช้อันไหนเมื่อไร
For 215 (System Type): No fix needed — use this information to adjust path separators and line endings for the server's OS type. For 331 (Username OK, Need Password): Send the PASS command with the correct password. If you get 530 after PASS, the password is wrong — verify your credentials.