what does close wait mean in netstat
FIN_WAIT1 The socket is closed, and the connection is shutting down. FIN_WAIT2 Connection is closed, and the socket is waiting for a shutdown from the remote end. TIME_WAIT The socket is waiting after close to handle packets still in the network. CLOSE The socket is not being used. CLOSE_WAIT The remote end has shut down, waiting for the socket to close.