LISTEN - represents waiting for a connection request from any remote
    TCP and port.

    SYN-SENT - represents waiting for a matching connection request
    after having sent a connection request.

    SYN-RECEIVED - represents waiting for a confirming connection
    request acknowledgment after having both received and sent a
    connection request.

    ESTABLISHED - represents an open connection, data received can be
   delivered to the user.  The normal state for the data transfer phase
    of the connection.

    FIN-WAIT-1 - represents waiting for a connection termination request
    from the remote TCP, or an acknowledgment of the connection
    termination request previously sent.

    FIN-WAIT-2 - represents waiting for a connection termination request
    from the remote TCP.

    CLOSE-WAIT - represents waiting for a connection termination request
    from the local user.

    CLOSING - represents waiting for a connection termination request
    acknowledgment from the remote TCP.

    LAST-ACK - represents waiting for an acknowledgment of the
    connection termination request previously sent to the remote TCP
    (which includes an acknowledgment of its connection termination
    request).

    TIME-WAIT - represents waiting for enough time to pass to be sure
    the remote TCP received the acknowledgment of its connection
    termination request.

    CLOSED - represents no connection state at all.