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Command: tftpd | Section: 8 | Source: Digital UNIX | File: tftpd.8.gz
tftpd(8) System Manager's Manual tftpd(8)
NAME
tftpd - The DARPA Trivial File Transfer Protocol (TFTP) server
SYNOPSIS
/usr/sbin/tftpd [-d] [-r pathname] [directory ...]
FLAGS
Specifies that the name of the file is sent to syslogd. Specifies the
relative pathname a user can specify to transfer a file that has no
path associated with it. For example, -r /tmp/tftp causes /tmp/tftp to
be prefixed to a file that has no path and the file is copied to and
from the directory /tmp/tftp. Only one directory path can be specified
with this option.
DESCRIPTION
The tftpd daemon is a server that supports the DARPA (Defense Advanced
Research Projects Agency) Trivial File Transfer Protocol. The TFTP
server operates at the port indicated in the tftp service description;
see services(4). The server is normally started by inetd(8).
The use of tftp does not require an account or password on the remote
system. Due to the lack of authentication information, tftpd will al-
low only publicly readable files to be accessed. Files can be written
only if they already exist and are publicly writable. Note that this
extends the concept of ``public'' to include all users on all hosts
that can be reached through the network; this may not be appropriate on
all systems, and its implication should be considered before enabling
tftp service. The server should have the user ID with the lowest pos-
sible privilege.
Access to files may be restricted by invoking tftpd with a list of di-
rectories and including pathnames as server program arguments in
/etc/inetd.conf. In this case, access is restricted to files whose
names are prefixed by the one of the given directories.
The tftpd daemon validates the files that it has to transfer against
the /etc/tftptab file. If you are transferring files that are not pub-
licly readable or not in the directories listed on the command line,
you must make certain that those files are listed in the /etc/tftptab
file.
RESTRICTION
The maximum number of directories allowed in the directory list are 62.
The maximum number of files allowed in /etc/tftptab file is 256.
FILES
Specifies the command path
RELATED INFORMATION
Commands: tftp(1)
Daemons: inetd(8) delim off
tftpd(8)