service tftp
{
    socket_type     = dgram
    protocol        = udp   
    wait            = yes
    user            = root
    server          = /usr/sbin/in.tftpd
    server_args     = -s /tftpboot 
    disable         = no
    per_source      = 11
    cps             = 100 2
    flags           = IPv4
}