V2EX enocher
enocher

enocher

V2EX 第 233852 号会员,加入于 2017-06-04 17:40:14 +08:00
enocher 最近回复了
2017 年 7 月 12 日
回复了 enocher 创建的主题 Linux 图解 TCP 三次握手与四次挥手
@qien The client waits for a period of time equal to double the maximum segment life (MSL) time, <b>to ensure the ACK it sent was received.</b>
2017 年 7 月 12 日
回复了 enocher 创建的主题 Linux 图解 TCP 三次握手与四次挥手
@SKull4 以第三次客户端没有发送给服务器 ack 请求为例子,这里涉及到超时和重传机制,这个时候服务器没法进入 ESTABLISHED 状态,如果超过一定时间服务器后向客户端发送 RTS 报文,同时进入 CLOSED 状态。深入一点也可以去了解一下 syn 攻击之类的 :)
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