Netprog 2002   DNS
38
FTP Reply Status Code
•First digit of status code indicates type of reply:
–‘1’:  Positive Preliminary Reply  (got it, but wait).
–‘2’:  Positive Completion Reply (success).
–‘3’:  Positive Intermediate Reply (waiting for more information).
–‘4’:  Transient Negative Completion (error - try again).
–‘5’:  Permanent Negative Reply (error - can’t do).