简介: 利用WinPcap库函数编写网络数据帧(以太网)捕获程序,首先捕获通过本机网卡的数据链路帧,根据以太网帧格式显示不同的字段,也可以进一步分析IP、TCP/UDP上层包格式。
开发环境: VS2015
开发语言: C++
用法:
- 先双击打开WinPcap.exe
- 输入设备编号,程序开始抓包,信息保存到“data.txt”中
- 输入ctrl+C 终止程序
截图:
来自 CodeLadyJJY
WinPcap的抓包与还原 C++
Home Page: http://www.codelady.space
简介: 利用WinPcap库函数编写网络数据帧(以太网)捕获程序,首先捕获通过本机网卡的数据链路帧,根据以太网帧格式显示不同的字段,也可以进一步分析IP、TCP/UDP上层包格式。
开发环境: VS2015
开发语言: C++
用法:
截图:
来自 CodeLadyJJY
IP头部存在可选字段时,IP头部长度超过20字节。问题代码如下:
udp_protocol = (udp_header*)(pkt_content + 14 + 20);
icmp_protocol = (icmp_header*)(pkt_content + 14 + 20);
tcp_protocol = (tcp_header*)(pkt_content + 14 + 20);
What is the problem with running successfully but no content in data.txt? Failed to catch icmp packets with ping command.
问下,程序里面有个pcap.h 的头文件,这个在github源代码中好像没啊...
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