7. TYPICAL FTP SCENARIO

User at host U wanting to transfer files to/from host S:

In general, the user will communicate to the server via a mediating user-FTP process. The following may be a typical scenario. The user-FTP prompts are shown in parentheses, '---->' represents commands from host U to host S, and '<----' represents replies from host S to host U.

LOCAL COMMANDS BY USER ACTION INVOLVING BOTH HOSTS

ftp (host) multics<CR>         Connect to host S, port L,
                               establishing control connection.
                               `<---- 220 Service ready <CRLF>`.
username Doe <CR>         ---->USER Doe<CRLF>
                               <---- 331 User name ok,
                                     need password<CRLF>.
password mumble <CR>      ---->PASS mumble<CRLF>
                               `<---- 230 User logged in<CRLF>`.
retrieve (local type) ASCII<CR>
(local pathname) test 1 <CR> ---->RETR test 1<CRLF>
                               <---- 150 File status okay;
                                     about to open data
                                     connection<CRLF>.
                               The server makes a data connection
                               to port U.

                               <---- 226 Closing data connection,
                                     file transfer successful<CRLF>.
type Image<CR>            ---->TYPE I<CRLF>
                               `<---- 200 Command OK<CRLF>`
store (local type) image<CR>
(local pathname) file dump<CR> ---->STOR file dump<CRLF>
                               `<---- 550 Access denied<CRLF>`
terminate <CR>            ---->QUIT <CRLF>
                               Server closes all
                               connections.

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