I can't see which ports are available for connection

Procedure

To check the status of the connection ports, launch the Run Windows application and type NETSTAT -a. This command displays a list of all active ports with their respective status.

The port status list:

Established
The port has an active connection.

Syn_sent
There is a connection request for the port in question.

Fin_wait1
The door is closed, and the connection will be closed.

Fin_wait2
The connection is closed, and the port is waiting for the remote connection to hang up.

Time_wait
The port is waiting for packet processing to finish after it is closed.

Close
The port is not being used.

Close_wait
The remote connection has been disconnected, and the expected that door to be closed.

Last_ack
The remote connection has been disconnected, and the door is closed.

Listen
The port is waiting for a connection request.

Closing
Both connection ports are closed, but data is still being sent.

Unknown
The connection status is unknown.