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2.5 KiB
59 lines
2.5 KiB
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<pre><b>TFTPD(8) OpenBSD System Manager's Manual TFTPD(8</b>)
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<b>NAME</b>
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<b>tftpd</b> - DARPA Trivial File Transfer Protocol server
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<b>SYNOPSIS</b>
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<b>tftpd [directory ...]</b>
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<b>tftpd [-cs] [directory]</b>
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<b>DESCRIPTION</b>
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<b>tftpd</b> is a server which supports the DARPA Trivial File Transfer Proto-
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col. The TFTP server operates at the port indicated in the `tftp' ser-
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vice description; see <b>services(5</b>). The server is normally started by
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inetd(8).
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The use of <b>tftp(1)</b> <i>does not</i> require an account or password on the remote
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system. Due to the lack of authentication information, tftpd will allow
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only publicly readable files to be accessed. Files may be written only
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if they already exist and are publicly writable. Note that this extends
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the concept of ``public'' to include all users on all hosts that can be
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reached through the network; this may not be appropriate on all systems,
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and its implications should be considered before enabling tftp service.
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The server should have the user ID with the lowest possible privilege.
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Access to files may be restricted by invoking tftpd with a list of direc-
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tories by including pathnames as server program arguments in
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<b>/etc/inetd.conf</b>. In this case access is restricted to files whose names
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are prefixed by the one of the given directories.
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If the -c flag is used, tftpd will allow new files to be created; other-
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wise uploaded files must already exist. Files are created with default
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permissions allowing anyone to read or write to them.
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When using the -s flag with a directory name, tftpd will chroot(2) on
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startup; therefore the remote host is not expected to pass the directory
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as part of the file name to transfer. This option is intended primarily
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for compatibility with SunOS boot ROMs which do not include a directory
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name.
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<b>SEE ALSO
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</b> <b><a href="tftp.htm">tftp(1)</a></b>, <b><a href="inetd.htm">inetd(8)</a></b>
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<b>HISTORY</b>
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The tftpd command appeared in 4.2BSD.
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The -s flag appeared in NetBSD 0.9a.
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The -c flag was added in OpenBSD 2.1.
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<b>OpenBSD 2.6 June 11, 1997 </b> </pre>
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