Displays all active TCP connections, in the format: Proto, Local Address, Foreign Address, State.

• Proto denotes the name of the protocol (TCP / UDP).
• Local Address is the IP address of local computer and the port number being used.
• Foreign Address is the IP address and port number of the remote computer to which the socket is connected.
• State indicates the state of a TCP connection like ESTABLISHED, CLOSE_WAIT, CLOSED, LISTEN, TIMED_WAIT, etc.