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SunOS man pages : in.tftpd (1)

Maintenance Commands                                 in.tftpd(1M)


in.tftpd, tftpd - Internet Trivial File Transfer Protocol server


in.tftpd [ -s ] [ homedir ]


tftpd is a server that supports the Internet Trivial File Transfer Protocol (TFTP). This server is normally started by inetd(1M) and operates at the port indicated in the tftp Internet service description in the /etc/inetd.conf file. By default, the entry for in.tftpd in etc/inetd.conf is com- mented out. To make in.tftpd operational, the comment character(s) must be deleted from the file. See inetd.conf(4). Before responding to a request, the server attempts to change its current directory to homedir; the default direc- tory is /tftpboot. The use of tftp does not require an account or password on the remote system. Due to the lack of authentication infor- mation, in.tftpd will allow only publicly readable files to be accessed. Files may 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 net- work; this may not be appropriate on all systems, and its implications should be considered before enabling this ser- vice. in.tftpd runs with the user ID and group ID set to [GU]ID_NOBODY under the assumption that no files exist with that owner or group. However, nothing checks this assump- tion or enforces this restriction.


-s Secure. When specified, the directory change to homedir must succeed. The daemon also changes its root directory to homedir.




The in.tftpd server is IPv6-enabled. See ip6(7P).


See attributes(5) for descriptions of the following attri- butes: SunOS 5.8 Last change: 2 Nov 1999 1 Maintenance Commands in.tftpd(1M) ____________________________________________________________ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | |_____________________________|_____________________________| | Availability | SUNWcsu | |_____________________________|_____________________________|


tftp(1), inetd(1M), inetd.conf(4), netconfig(4), attributes(5) , ip6(7P) Sollins, K.R., RFC 783, The TFTP Protocol (Revision 2), Network Information Center, SRI International, Menlo Park, California, June 1981. SunOS 5.8 Last change: 2 Nov 1999 2