/PROTOCOL=protocol [=options]

    Optional. Default: TCP.

    Protocol, and its parameters, that the service will use. To set
    these parameters, use the following options:

    Protocol   Option             Meaning

    IP         TYPE_OF_SERVICE=n  Type of service, expressed as a
                                  value between 0 and 255.
               TIME_TO_LIVE=n     Maximum number of hops that packets
                                  can traverse before being dropped.
    TCP        [NO]DELAY          Delays sending packets, allowing
    (stream                       multiple packets to be combined
    socket                        into a single larger packet before
    type)                         transmission.
                                  Default: DELAY.
               DROP_COUNT=n       TCP connection-request timeout
                                  interval for the service.

                                  Maximum number of seconds to probe
                                  for idle TCP connections before
                                  such a connection times out and
                                  closes.
               PROBE_             Number of seconds between probes
               TIMER=seconds      for idle connections.
    UDP        None               Datagram socket type.