1.\" Copyright (c) 1983, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" %sccs.include.redist.roff% 5.\" 6.\" @(#)tftpd.8 8.1 (Berkeley) 06/04/93 7.\" 8.Dd 9.Dt TFTPD 8 10.Os BSD 4.2 11.Sh NAME 12.Nm tftpd 13.Nd 14Internet Trivial File Transfer Protocol server 15.Sh SYNOPSIS 16.Nm tftpd 17.Op Fl l 18.Op Fl n 19.Op Ar directory ... 20.Sh DESCRIPTION 21.Nm Tftpd 22is a server which supports the 23Internet Trivial File Transfer 24Protocol (\c 25.Tn RFC 783). 26The 27.Tn TFTP 28server operates 29at the port indicated in the 30.Ql tftp 31service description; 32see 33.Xr services 5 . 34The server is normally started by 35.Xr inetd 8 . 36.Pp 37The use of 38.Xr tftp 1 39does not require an account or password on the remote system. 40Due to the lack of authentication information, 41.Nm tftpd 42will allow only publicly readable files to be 43accessed. 44Files containing the string ``/\|\fB.\|.\fP\|/'' are not allowed. 45Files may be written only if they already exist and are publicly writable. 46Note that this extends the concept of 47.Dq public 48to include 49all users on all hosts that can be reached through the network; 50this may not be appropriate on all systems, and its implications 51should be considered before enabling tftp service. 52The server should have the user ID with the lowest possible privilege. 53.Pp 54Access to files may be restricted by invoking 55.Nm tftpd 56with a list of directories by including up to 20 pathnames 57as server program arguments in 58.Pa /etc/inetd.conf . 59In this case access is restricted to files whose 60names are prefixed by the one of the given directories. 61The given directories are also treated as a search path for 62relative filename requests. 63.Pp 64The options are: 65.Bl -tag -width Ds 66.It Fl l 67Logs all requests using 68.Xr syslog 3 . 69.It Fl n 70Suppresses negative acknowledgement of requests for nonexistent 71relative filenames. 72.El 73.Sh SEE ALSO 74.Xr tftp 1 , 75.Xr inetd 8 76.Sh HISTORY 77The 78.Nm 79command appeared in 80.Bx 4.2 . 81