Connects to a host on a given port and optionally retrieves a banner. The IP address of the target machine Protocol used can be any of tcp, udp, or icmp. default is tcp. Protocol used can be any of tcp, udp, or icmp. default is tcp. Protocol used can be any of tcp, udp, or icmp. default is tcp. The port to which to connect How long, in seconds, to wait for a valid response from the selected port. The data to send Send broadcast datagrams (udp/icmp)