Background File Transfer Program

Background File Transfer Program (BFTP) ist ein Begriff aus der Informatik.

Das Background File Transfer Program, oder kurz BFTP, ist ein Protokoll zur Dateiübertragung über TCP/IP-Netze im Hintergrund mittels FTP. BFTP ist in der Anwendungsschicht des TCP/IP Protokollstapels angesiedelt. Es wird benutzt, um Dateien vom Server zum Client (Download), vom Client zum Server (Upload) oder zwischen zwei Servern im Hintergrund zu übertragen.

Es ist definiert in RFC 1068.

Auszug Kommandos

clear
ddir <Verzeichnis Name>
dfile <Datei Name>
dhost <host Name/Nummer> <login> <password>
explain
find
RequestID (optional): <bftp-request-id>
RequestKeyword: <keyword>
help
help <Kommando>
quit
prompt
request delete <Name>
request list
request load <Name>
request store <Name>
set account [Quelle | Ziel] <account string>
set append [true | false]
set copy
set delete
set mailbox <mailbox string>
set mode [stream | block | compress]
set move
set multiple [true | false]
set port [Quelle | Ziel] <Port Nummer>
set structure [file | record | page]
set unique [true | false]
set verbose [true | false]
sdir <Verzeichnis Name>
sfile <Datei Name>
shost <host Name/Nummer> <login> <password>
status
submit
time <date and/or time> <minutes between tries> <maximum number of tries>
transfer
verify

Beispiel einer BFTP Sitzung

  Received-Date: Tue, 6 Oct 87 10:15:52 PDT
  Date: Tue, 6 Oct 87 10:15:47 PDT
  From: root (Operator)
  Posted-Date: Tue, 6 Oct 87 10:15:47 PDT
  To: deschon
  Subject: BFTP Results: bftp560538880

  Request bftp560538880 submitted to run at 10:14 Oct 6.

    Tue Oct  6 10:15:22 1987: starting...

      Request type: COPY
      Source: deschon.isi.edu-deschon-XXX--21-./-foo*
      Destination: venera.isi.edu-deschon-XXX--21-./temp/-
      Stru: F, Mode: S, Type: A N, Creation: STOR
      Multiple matching: TRUE
      Return mailbox: 'deschon@isi.edu', Password: SET
      Remaining tries: 5, Retry interval: 60 minutes

  Connect to: deschon.isi.edu, 21
  deschon.isi.edu ==> 220 deschon.isi.edu FTP server (Version 4.7
                          Sun Sep 14 12:44:57 PDT 1986) ready.
  Connect to: venera.isi.edu, 21
  venera.isi.edu ==> 220 venera.isi.edu FTP server (Version 4.107
                          Thu Mar 19 20:54:37 PST 1987) ready.
  deschon.isi.edu <== USER deschon
  deschon.isi.edu ==> 331 Password required for deschon.
  deschon.isi.edu <== PASS XXX
  deschon.isi.edu ==> 230 User deschon logged in.
  venera.isi.edu <== USER deschon
  venera.isi.edu ==> 331 Password required for deschon.
  venera.isi.edu <== PASS XXX
  venera.isi.edu ==> 230 User deschon logged in.
  deschon.isi.edu <== CWD ./
  deschon.isi.edu ==> 200 CWD command okay.
  venera.isi.edu <== CWD ./temp/
  venera.isi.edu ==> 250 CWD command successful.
  deschon.isi.edu <== PORT 128,9,1,56,4,106
  deschon.isi.edu ==> 200 PORT command okay.
  deschon.isi.edu <== NLST foo*
  deschon.isi.edu ==> 150 Opening data connection for /bin/ls
                          (128.9.1.56,1130) (0 bytes).
  deschon.isi.edu ==> 226 Transfer complete.
  deschon.isi.edu <== PASV
  deschon.isi.edu ==> 502 PASV command not implemented.
  venera.isi.edu <== PASV
  venera.isi.edu ==> 227 Entering Passive Mode (128,9,0,32,6,200)
  deschon.isi.edu <== PORT 128,9,0,32,6,200
  deschon.isi.edu ==> 200 PORT command okay.
  deschon.isi.edu <== RETR foo
  venera.isi.edu <== STOR foo
  deschon.isi.edu ==> 150 Opening data connection for foo
                          (128.9.0.32,1736) (0 bytes).
  deschon.isi.edu ==> 226 Transfer complete.
  venera.isi.edu ==> 150 Openning data connection for foo
                          (128.9.1.56,20).
  venera.isi.edu ==> 226 Transfer complete.
  venera.isi.edu <== PASV
  venera.isi.edu ==> 227 Entering Passive Mode (128,9,0,32,6,201)
  deschon.isi.edu <== PORT 128,9,0,32,6,201
  deschon.isi.edu ==> 200 PORT command okay.
  deschon.isi.edu <== RETR foo1
  venera.isi.edu <== STOR foo1
  deschon.isi.edu ==> 150 Opening data connection for foo1
                          (128.9.0.32,1737) (4 bytes).
  deschon.isi.edu ==> 226 Transfer complete.
  venera.isi.edu ==> 150 Openning data connection for foo1
                          (128.9.1.56,20).
  venera.isi.edu ==> 226 Transfer complete.
  deschon.isi.edu <== QUIT
  venera.isi.edu <== QUIT

    Tue Oct  6 10:15:39 1987: completed successfully.

Vorlage:Stub