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174 lines
4.9 KiB
Groff
174 lines
4.9 KiB
Groff
.\" Copyright (c) 1990, 1993, 1994
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)tftp.1 8.2 (Berkeley) 4/18/94
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.\"
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.Dd April 18, 1994
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.Dt TFTP 1
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.Os BSD 4.3
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.Sh NAME
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.Nm tftp
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.Nd trivial file transfer program
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.Sh SYNOPSIS
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.Nm
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.Op Ar host
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.Sh DESCRIPTION
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.Nm Tftp
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is the user interface to the Internet
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.Tn TFTP
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(Trivial File Transfer Protocol),
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which allows users to transfer files to and from a remote machine.
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The remote
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.Ar host
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may be specified on the command line, in which case
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.Nm
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uses
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.Ar host
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as the default host for future transfers (see the
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.Cm connect
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command below).
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.Sh COMMANDS
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Once
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.Nm
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is running, it issues the prompt
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.Nm tftp>
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and recognizes the following commands:
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.Pp
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.Bl -tag -width verbose -compact
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.It Cm \&? Ar command-name ...
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Print help information.
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.Pp
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.It Cm ascii
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Shorthand for "mode ascii"
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.Pp
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.It Cm binary
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Shorthand for "mode binary"
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.Pp
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.It Cm connect Ar host-name Op Ar port
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Set the
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.Ar host
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(and optionally
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.Ar port )
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for transfers.
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Note that the
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.Tn TFTP
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protocol, unlike the
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.Tn FTP
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protocol,
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does not maintain connections between transfers; thus, the
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.Cm connect
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command does not actually create a connection,
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but merely remembers what host is to be used for transfers.
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You do not have to use the
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.Cm connect
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command; the remote host can be specified as part of the
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.Cm get
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or
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.Cm put
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commands.
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.Pp
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.It Cm get Ar filename
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.It Cm get Ar remotename localname
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.It Cm get Ar file1 file2 ... fileN
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Get a file or set of files from the specified
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.Ar sources .
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.Ar Source
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can be in one of two forms:
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a filename on the remote host, if the host has already been specified,
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or a string of the form
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.Ar hosts:filename
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to specify both a host and filename at the same time.
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If the latter form is used,
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the last hostname specified becomes the default for future transfers.
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.Pp
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.It Cm mode Ar transfer-mode
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Set the mode for transfers;
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.Ar transfer-mode
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may be one of
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.Em ascii
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or
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.Em binary .
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The default is
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.Em ascii .
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.Pp
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.It Cm put Ar file
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.It Cm put Ar localfile remotefile
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.It Cm put Ar file1 file2 ... fileN remote-directory
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Put a file or set of files to the specified
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remote file or directory.
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The destination
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can be in one of two forms:
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a filename on the remote host, if the host has already been specified,
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or a string of the form
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.Ar hosts:filename
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to specify both a host and filename at the same time.
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If the latter form is used,
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the hostname specified becomes the default for future transfers.
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If the remote-directory form is used, the remote host is
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assumed to be a
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.Tn UNIX
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machine.
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.Pp
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.It Cm quit
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Exit
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.Nm tftp .
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An end of file also exits.
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.Pp
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.It Cm rexmt Ar retransmission-timeout
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Set the per-packet retransmission timeout, in seconds.
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.Pp
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.It Cm status
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Show current status.
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.Pp
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.It Cm timeout Ar total-transmission-timeout
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Set the total transmission timeout, in seconds.
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.Pp
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.It Cm trace
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Toggle packet tracing.
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.Pp
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.It Cm verbose
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Toggle verbose mode.
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.El
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.Sh BUGS
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.Pp
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Because there is no user-login or validation within
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the
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.Tn TFTP
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protocol, the remote site will probably have some
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sort of file-access restrictions in place. The
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exact methods are specific to each site and therefore
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difficult to document here.
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.3 .
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