Closing data connection, requested file action successful
Not part of the FTP standard, generated by SFML when the low-level socket connection is unexpectedly closed
Not part of the FTP standard, generated by SFML when the low-level socket connection with the server fails
Data connection already opened, transfer starting
Data connection open, no transfer in progress
Can't open data connection
Requested action not taken, file name not allowed
Requested action not taken, file unavailable
Requested action not taken; insufficient storage space in system, file unavailable
Not part of the FTP standard, generated by SFML when a local file cannot be read or written
Not part of the FTP standard, generated by SFML when a received response cannot be parsed
Requested file action pending further information
Requested file action aborted, exceeded storage allocation
File status ok, about to open data connection
Command not implemented for that parameter
Service not available, closing control connection
FTP server response codes and client error codes.