Ports

65535 total available TCP ports.

• first 1023 are considered "well known ports".
• 49152-65535 are dynamic ports that are free range and available for use.

State Definitions

ESTABLISHED means there is a connection currently made.

LISTEN means that the socket is waiting for a connection.

CLOSE_WAIT means connection is in half-closed state.

• the other end closed its side of the connection, but this end did not.