挂起状态

• Once the scanned host returns a syn ack packet , the connection will go into a pending state on the server side , indicating that the connection is in the process of being established , but is not fully established yet
  在被扫描主机返回了syn / ack包后，连接在服务器端将进入挂起状态，表明连接正处于建立的过程中，但还没有完全建立。