Netprog 2002   DNS
39
FTP Reply Status Code
•2nd digit indicates function groupings.
–‘0’: Syntax (problem with command syntax).
–‘1’: Information  (reply to help or status cmds).
–‘2’: Connections (problem with a connection).
–‘3’: Authentication (problem with login).
–‘4’: Unspecified.
–‘5’: File system (related to file system).
•3rd digit indicates specific problem within  function group.