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如何用IPFW为FreeBSD操作系统建立防火墙
Ipfirewall(即IPFW)是一个FreeBSD操作系统下的IP数据包过滤和通信记录工具。IPFW作为一个独立的运行时刻可装载模块,就包含在基本的FreeBSD安装包中。在rc.conf中含有语句“firewall_enable=YES”时,系统会动态地装载内核模块。 第一步:为IPFW而编译FreeBSD内核 这一步是 ...
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