IP数据包过滤，实现防火墙功能。压缩包中包含测试程序。-IP packet filtering, firewall implementation function. Compressed package that contains test procedures.

简单包过滤防火墙驱动代码，其中包含了比较详细的说明-Simple packet filtering firewall driver code, which contains a more detailed explanation

VS2010开发的基于IP包过滤的个人防火墙，其中包含了全局驱动开发，IP钩子应用相关内容。-VS2010 development personal firewall based on IP packet filtering, which contains the global driven development, IP hook application related content.