它将通过向服务器发送设置了FIN标志的tcp包来完成该操作。

It will do this by sending a TCP packet with the FIN flag set to the server.

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这意味着向服务器发送一个设置了SYN标志的tcp包。

This means a TCP packet with the SYN flag set is sent to the server.

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服务器将通过返回设置了ACK标志的包进行确认。

The server will acknowledge this by returning a packet with the ack flag set.

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