Отклики FTP
110 Restart marker at MARK yyyy=mmmm (new file pointers)
120 Service ready in nnn minutes
125 Data connection open, transfer starting
150 Open connection
200 OK
202 Command not implemented
211 System status reply
212 Directory status reply
213 File status reply
214 Help message reply
215 System type reply
220 Service ready
221 Log off network
225 Data connection open
226 Close data connection
227 Enter passive mode (IP address, port ID)
230 Log on network
250 File action completed
257 Path name created
331 Password required
332 Account name required
350 File action pending
421 Service shutting down
425 Cannot open data connection
426 Connection closed
450 File unavailable
451 Local error encountered
452 Insufficient disk space
500 Invalid command
501 Bad parameter
502 Command not implemented
503 Bad command sequence
504 Parameter invalid for command
530 Not logged onto network
532 Need account for storing files
550 File unavailable
551 Page type unknown
552 Storage allocation exceeded
553 File name not allowed