TCP数据包分析:C85b 76 db45 14 5254 00 08 00 2e 08 00 45 0000 77d9 43 40 00 80 06 00 00 c0 a8 0237c0 a802 fd a4 25 2b 5d 8a ad fd d3 e8 1b a6 49 5018c0 1a 86 ee 0000cacb 00 00 0040 03 00 00 0000 00 000000 0
这是一个TCP数据包,首部部分包含以下内容:
Source Port: C85b Destination Port: 76db Sequence Number: 451452854 Acknowledgment Number: 5254 Header Length: 00 Flags: 08 00 (ACK) Window Size: 2e08 Checksum: 00 45 Urgent Pointer: 00
数据段的内容是:
08 00 45 00 00 77d9 43 40 00 80 06 00 00 c0 a8 02 37c0 a8 02 fd a4 25 2b 5d 8a ad fd d3 e8 1b a6 49 5018c0 1a 86 ee 0000cacb 00 00 0040 03 00 00 00 00 00 000000 00 00 00 00 00 00 00 00 00 00 00 00 00 0000 0000 00 00 00 0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00
这个数据包的源端口是C85b,目的端口是76db,序列号是451452854,确认号是5254。标志位为ACK,表示确认收到了前面发送的数据。窗口大小是2e08,紧急指针为00。数据段的内容是一串十六进制数,其中包含IP协议头和TCP协议头的信息。具体解读需要查看协议规范
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