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| netstat-package | Retrieve Network Statistics Including Available TCP Ports |
| free_port | Retrieve a Transmission Control Protocol (TCP) port that is not currently in use |
| free_ports | Retrieve many (not all) Transmission Control Protocol (TCP) ports that are not currently in use |
| parse_netstat | Parse the output of the 'Netstat' command line utility - obtained via netstat() |
| ports_in_use | Obtain the TCP ports currently in use |
| unassigned_ports | Obtain a list of the largest ranges of unassigned Transmission Control Protocol (TCP) ports as provided by the Internet Assigned Numbers Authority (IANA) |