Usage: tftpd [options] [directory]
[options] may be:
-t, --tftpd-timeout <value>: number of second of inactivity before exiting
-r, --retry-timeout <value>: time to wait a reply before retransmition
-m, --maxthread <value> : number of concurrent thread allowed
-v, --verbose [value] : increase or set the level of output messages
--trace : log all sent and received packets
--no-timeout : disable 'timeout' from RFC2349
--no-tsize : disable 'tsize' from RFC2349
--no-blksize : disable 'blksize' from RFC2348
--no-windowsize : disable 'windowsize' from RFC7440
--no-multicast : disable 'multicast' from RFC2090
--logfile <file> : logfile to log logs to ;-) (use - for stdout)
--pidfile <file> : write PID to this file
--listen-local : force listen on local network address
--daemon : run atftpd standalone (no inetd)
--no-fork : run as a daemon, don't fork
--prevent-sas : prevent Sorcerer's Apprentice Syndrome
--user <user[.group]> : default is nobody
--group <group> : default is nogroup
--port <port> : port on which atftp listen
--bind-address <IP> : local address atftpd listen to
--mcast-ttl : ttl to used for multicast
--mcast-addr <address list>: list/range of IP address to use
--mcast-port <port range> : ports to use for multicast transfer
--pcre <file> : use this file for pattern replacement
--pcre-test <file> : just test pattern file, not starting server
--mtftp <file> : mtftp configuration file
--mtftp-port <port> : port mtftp will listen
--no-source-port-checking : violate RFC, see man page
--mcast-switch-client : switch client on first timeout, see man page
-V, --version : print version information
-h, --help : print this help
[directory] must be a world readable/writable directories.
By default /tftpboot is assumed.