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System Administration Commands                                     in.tftpd(8)

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

       in.tftpd [-d] [-T rexmtval] [-s] [homedir]

       tftpd is a server that supports the Internet Trivial File Transfer Pro‐
       tocol (TFTP).

       Before responding to a request, the server attempts to change its  cur‐
       rent directory to homedir; the default directory is /tftpboot.

       The  use  of tftp does not require an account or password on the remote
       system. Due to the lack of authentication  information,  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 network. This may not be appropriate on  all
       systems, and its implications should be considered before enabling this

       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 assumption or enforces this restriction.


           Debug. When specified it sets the SO_DEBUG socket option.


           Secure. When specified, the directory change to homedir  must  suc‐
           ceed. The daemon also changes its root directory to homedir.

       -T rexmtval

           Specifies  the value of the retransmission timeout in seconds. This
           also affects the maximum session timeout in that the latter is  set
           to five times the retransmission timeout value.

       The in.tftpd server is IPv6-enabled. See ip6(4P).

       in.tftpd supports transfers of greater than 32 MB, per RFC 2348.

       See attributes(7) for descriptions of the following attributes:

       tab()  box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
       TRIBUTE VALUE _ Availabilityservice/network/tftp

       svcs(1),  tftp(1),  ip6(4P),   netconfig(5),   attributes(7),   smf(7),
       inetadm(8), inetd(8), svcadm(8)

       Malkin, G. and Harkin, A. RFC 2347, TFTP Option Extension. The Internet
       Society. May 1998

       Malkin, G. and Harkin, A. RFC 2348, TFTP Blocksize Option. The Internet
       Society. May 1998

       Malkin,  G. and Harkin, A. RFC 2349, TFTP Timeout Interval and Transfer
       Size Options. The Internet Society. May 1998

       Sollins, K.R. RFC 1350, The TFTP Protocol (Revision 2). Network Working
       Group. July 1992.

       The  tftpd  server  only  acknowledges the transfer size option that is
       sent with a read request when the octet transfer mode is specified.

       The in.tftpd.8 service is managed by the service  management  facility,
       smf(7), under the service identifier:


       Administrative actions on this service, such as enabling, disabling, or
       requesting restart, can be performed  using  svcadm(8).  Responsibility
       for  initiating  and  restarting this service is delegated to inetd(8).
       Use inetadm(8) to make configuration changes and to view  configuration
       information for this service. The service's status can be queried using
       the svcs(1) command.

Oracle Solaris 11.4               3 Oct 2012                       in.tftpd(8)
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