FTP 200 Command OK vs 227 Entering Passive Mode
Both FTP 200 (Command OK) and 227 (Entering Passive Mode) belong to the 2xx Positive Completion category. 200 indicates that the command has been successfully executed. This is a general acknowledgment that the command was understood and carried out. 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).
Описание
The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.
Когда вы это видите
After issuing any command that completes successfully, such as TYPE, MODE, or NOOP.
Как исправить
No fix needed — the command succeeded. This is the standard positive response for commands that don't return data.
Описание
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).
Когда вы это видите
After issuing the PASV command. The server switches to passive mode and tells the client where to connect for data transfer.
Как исправить
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.
Ключевые различия
FTP 200: The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.
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 200 when after issuing any command that completes successfully, such as TYPE, MODE, or NOOP.
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.
Когда что использовать
For 200 (Command OK): No fix needed — the command succeeded. This is the standard positive response for commands that don't return data. 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.