FTP 110 Restart Marker Reply vs 229 Entering Extended Passive Mode
FTP 110 (Restart Marker Reply) is a 1xx Positive Preliminary response, while 229 (Entering Extended Passive Mode) is a 2xx Positive Completion response. 110 indicates that the server is sending a restart marker reply. The text is exact and not left to interpretation. This marker is used to indicate the point at which a file transfer should be restarted. In contrast, 229 means that entering Extended Passive Mode. The server provides only a port number for the data connection, using the same IP as the control connection. Works with both IPv4 and IPv6.
คำอธิบาย
The server is sending a restart marker reply. The text is exact and not left to interpretation. This marker is used to indicate the point at which a file transfer should be restarted.
เมื่อคุณพบเห็น
During a resumed file transfer when the server confirms the restart position in the data stream.
วิธีแก้ไข
No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects.
คำอธิบาย
Entering Extended Passive Mode. The server provides only a port number for the data connection, using the same IP as the control connection. Works with both IPv4 and IPv6.
เมื่อคุณพบเห็น
After issuing the EPSV command. The server responds with a port number in the format (|||port|) for the client to connect to.
วิธีแก้ไข
No fix needed — connect to the server's control IP on the provided port. If it fails, try falling back to PASV (227) or check firewall rules.
ความแตกต่างหลัก
110 is a 1xx Positive Preliminary response, while 229 is a 2xx Positive Completion response.
FTP 110: The server is sending a restart marker reply. The text is exact and not left to interpretation. This marker is used to indicate the point at which a file transfer should be restarted.
FTP 229: Entering Extended Passive Mode. The server provides only a port number for the data connection, using the same IP as the control connection. Works with both IPv4 and IPv6.
You encounter 110 when during a resumed file transfer when the server confirms the restart position in the data stream.
You encounter 229 when after issuing the EPSV command. The server responds with a port number in the format (|||port|) for the client to connect to.
ควรใช้อันไหนเมื่อไร
For 110 (Restart Marker Reply): No fix needed — this is a normal response during transfer recovery. If restarts keep failing, verify the marker format matches what your client expects. For 229 (Entering Extended Passive Mode): No fix needed — connect to the server's control IP on the provided port. If it fails, try falling back to PASV (227) or check firewall rules.