用Perl来处理Cisco路由器、交换机以及防火墙的log文件，把处理好的文件转存到另一组文件中。-Perl to deal with Cisco routers, switches, and firewall log files, dump files to deal with another set of good files.

exercise for security practices in networking by routers and cisco devices.

介绍Quidway系列路由器的防火墙模块的工作原理及其配置-Quidway series routers firewall introduces the working principle and configuration module