...几个术语和状态 主动打开(active open)是指客户端发送第一个SYN报文,它主动发起建立TCP连接的请求。 被动打开(passive open)是指服务端接受第一个SYN报文并且发回一个SYN报文,它响应建立TCP连接的请求。
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办事器应用步伐必需执行一个称作不主动打开(passive open)的操作,以哄骗一个已知的端标语创立一个毗连,这时候,办事器其实不是对收集进行呼叫,而是侦听并等候引入的哀求。
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passive open space 静态休憩用地
Consider a TCP connection establishment in which a client does an active open and a server does a passive open. Moreover, the acknowledgment from the client (the third TCP segment) is lost.
这个我清楚,但是三次握手过程中,客户端没有在要求服务器端发送一个确认包确认他已经收到了第三个包啊!
He could understand a passive opposition from Kennedy loyalists, but an open one would have dire consequences.
他了解到忠于肯尼迪的那些人在消极反对他,但是如果他们公开反对,那就会产生可怕的后果。
I am a camera with its shutter open, quite passive, recording, not thinking.
我是一台被动的相机,开着快门只记录不思考。
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