VC++编写的防火墙程序可根据系统管理者设定的安全规则（Security Rules）把守网络，提供强大的访问控制、应用选通、信息过滤等功能。-VC++ Firewall program can be prepared in accordance with the system administrator of the safety rules set (Security Rules) guarding the network, provide a strong access control,

包过滤防火墙程序源代码，本软件用VC++6.0开发，主要有用户应用程序和驱动程序两部分组成 - Packet filtering firewall program source code, the software with VC++6.0, mainly composed of two parts of the user application and driver