Cisco+Acs的安装与应用详解，关于网络认证和计费的-Cisco+ Acs Detailed installation and application, network authentication and accounting on

利用netfilter 流量统计的例子，做网络流量计费的同志可能用的上-Examples of use netfilter flow statistics for network traffic accounting comrades on

校园网计费管理系统，包含socket、hook 以及水晶报表，C/S架构，有开机自启动，最小化图标，包含计费、卡、账户、权限、管理员管理等功能模块。-Campus network accounting management system, including sockets, hook, as well as Crystal Reports, C/S architecture, boot from the start, the minimize icon, including billing,