FTP 213 File Status vs 225 Data Connection Open
Both FTP 213 (File Status) and 225 (Data Connection Open) belong to the 2xx Positive Completion category. 213 indicates that file status reply. The server provides information about a specific file, typically its size or modification time. Meanwhile, 225 means that data connection open; no transfer in progress. The data channel is established and ready but no file transfer has started yet.
الوصف
File status reply. The server provides information about a specific file, typically its size or modification time.
متى تراه
After issuing the SIZE or MDTM command, the server returns the file size in bytes or the last modification timestamp.
كيفية الإصلاح
No fix needed — this is an informational response. Use the returned data to determine file size before download or to check timestamps for synchronization.
الوصف
Data connection open; no transfer in progress. The data channel is established and ready but no file transfer has started yet.
متى تراه
When the data connection is established but idle, waiting for a transfer command to begin sending or receiving data.
كيفية الإصلاح
No fix needed — the data connection is ready. Issue a RETR, STOR, or LIST command to start using it.
الفروق الرئيسية
FTP 213: File status reply. The server provides information about a specific file, typically its size or modification time.
FTP 225: Data connection open; no transfer in progress. The data channel is established and ready but no file transfer has started yet.
You encounter 213 when after issuing the SIZE or MDTM command, the server returns the file size in bytes or the last modification timestamp.
You encounter 225 when when the data connection is established but idle, waiting for a transfer command to begin sending or receiving data.
متى تستخدم أيًا منهما
For 213 (File Status): No fix needed — this is an informational response. Use the returned data to determine file size before download or to check timestamps for synchronization. For 225 (Data Connection Open): No fix needed — the data connection is ready. Issue a RETR, STOR, or LIST command to start using it.