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PacificCable.com 7. TYPICAL FTP SCENARIO
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Connected: An Internet Encyclopedia
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 INVOLVED
ftp (host) multics<CR> Connect to host S, port L,
establishing control connections.
<---- 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> User-FTP opens local file in ASCII.
(for. pathname) test.pl1<CR> RETR test.pl1<CRLF> ---->
<---- 150 File status okay;
about to open data
connection<CRLF>.
Server makes 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> User-FTP opens local file in Image.
(for.pathname) >udd>cn>fd<CR> STOR >udd>cn>fd<CRLF> ---->
<---- 550 Access denied<CRLF>
terminate QUIT <CRLF> ---->
Server closes all
connections.