FTP 214 Help Message vs 450 File Action Not Taken
FTP 214 (Help Message) is a 2xx Positive Completion response, while 450 (File Action Not Taken) is a 4xx Transient Negative response. 214 indicates that help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command. In contrast, 450 means that requested file action not taken. The file is unavailable due to being busy, locked by another process, or temporarily inaccessible.
คำอธิบาย
Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
เมื่อคุณพบเห็น
After issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
วิธีแก้ไข
No fix needed — this is an informational response. Use it to discover which commands the server supports.
คำอธิบาย
Requested file action not taken. The file is unavailable due to being busy, locked by another process, or temporarily inaccessible.
เมื่อคุณพบเห็น
When you try to access a file that is locked by another user or process, or when the server temporarily cannot process the file.
วิธีแก้ไข
Wait and retry the operation — the file may be locked by another transfer. If persistent, check server-side file locks and permissions.
ความแตกต่างหลัก
214 is a 2xx Positive Completion response, while 450 is a 4xx Transient Negative response.
FTP 214: Help message. The server provides information about its implementation status, including a list of recognized commands or help for a specific command.
FTP 450: Requested file action not taken. The file is unavailable due to being busy, locked by another process, or temporarily inaccessible.
You encounter 214 when after issuing the HELP command. The server returns a list of supported commands or detailed usage for a specific command.
You encounter 450 when when you try to access a file that is locked by another user or process, or when the server temporarily cannot process the file.
ควรใช้อันไหนเมื่อไร
For 214 (Help Message): No fix needed — this is an informational response. Use it to discover which commands the server supports. For 450 (File Action Not Taken): Wait and retry the operation — the file may be locked by another transfer. If persistent, check server-side file locks and permissions.