Nathan works as a professional Ethical Hacker. He wants to see all open TCP/IP and UDP ports of his computer. Nathan uses the netstat command for this purpose but he is still unable to map open…

Ping sends ICMP echo requests to test host reachability and round-trip time - it provides no information about open ports or running processes.

Psloggedon is a Sysinternals tool that displays which users are currently logged on locally or via resource shares - it does not enumerate open network ports or map them to processes.

Pslist is a Sysinternals tool that lists running processes and their resource usage statistics - it shows process details but does not map those processes to open network ports.

Fport, developed by Foundstone, is a command-line tool that enumerates all active TCP and UDP ports on a Windows system and correlates each port to the process that owns it, including the PID, process name, and full path to the executable - exactly filling the gap left by the standard netstat command.