Quik start:

1. Check @@SYSCONFDIR@@/xinetd/utftpd-udp (disabled by default) and restart
   xinetd server. You can edit only_from parameter for more security.
2. Change 127.0.0.x in client definition in @@SYSCONFDIR@@/utftpd.conf to
   real client's ip and recompile binary config by utftpd_makeconfig.
   Please see utftpd.conf(5) for more information about configuration file.

Warning:
utftpd_make (and utftpd_makeconfig) is not rebuild configuration 
if utftpd.cdb have more recent date/time then utftpd.conf. Remove 
utftpd.cdb manualy at this case.