我们看到它的响应消息，包括泄露秘密的应用数据头。

We see its response, including the tell-tale application data header.

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当数据包从传输层向下传递时，IP协议程序把它自己的数据头加到数据包中。

When a packet is passed down from the transport layer, IP adds its own header to the packet.

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IP数据头包括数据包产生地的主机ip地址，数据包即将前往的目的地ip地址，以及发出请求的传输协议。

The IP header includes the source IP address where the packet originates, destination IP address where the packet is going, the transport protocol initiating the request.

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