FTP 200 Command OK vs 228 Entering Long Passive Mode
Both FTP 200 (Command OK) and 228 (Entering Long 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, 228 means that entering Long Passive Mode. An extended version of passive mode that supports longer addresses, including IPv6. Largely superseded by EPSV (229).
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 Long Passive Mode. An extended version of passive mode that supports longer addresses, including IPv6. Largely superseded by EPSV (229).
Когда вы это видите
After issuing the LPSV command on servers that support long addresses. Rarely seen in practice as EPSV is preferred.
Как исправить
No fix needed, but consider using EPSV (Extended Passive Mode) instead, which is more widely supported and simpler to parse.
Ключевые различия
FTP 200: The command has been successfully executed. This is a general acknowledgment that the command was understood and carried out.
FTP 228: Entering Long Passive Mode. An extended version of passive mode that supports longer addresses, including IPv6. Largely superseded by EPSV (229).
You encounter 200 when after issuing any command that completes successfully, such as TYPE, MODE, or NOOP.
You encounter 228 when after issuing the LPSV command on servers that support long addresses. Rarely seen in practice as EPSV is preferred.
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 228 (Entering Long Passive Mode): No fix needed, but consider using EPSV (Extended Passive Mode) instead, which is more widely supported and simpler to parse.