说明：  XFILTER 2,防火墙整套代码及文档，上层应用及vxd、wdm驱动，NDIS驱动。对研究防火墙的同志极具有参考价值。编译成功，可直接作为产品使用。编译环境需DDK及VC。
(XFILTER 2, firewall package of code and documentation, the upper application and vxd, wdm drivers, NDIS driver. The study of highly comrades firewall reference value. Compile success can be directly used as the product. Environmental DDK compiler and VC.)