1TCP_ESTABLISHED 1 2TCP_SYN_SENT 2 3TCP_SYN_RECV 3 4TCP_FIN_WAIT1 4 5TCP_FIN_WAIT2 5 6TCP_TIME_WAIT 6 7TCP_CLOSE 7 8TCP_CLOSE_WAIT 8 9TCP_LAST_ACK 9 10TCP_LISTEN 10 11TCP_CLOSING 11 12TCP_NEW_SYN_RECV 12 13