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Linux是常用的防火墙操作平台,作者对Linux新的2.4内核防火墙底层结构(Netfilter)和功能进行了详尽分析,分析和总结了Netfilter结构在Linux防火墙中的地位和作用,并以实例说明如何运用Netfilter来进行Linux防火墙的功能扩充。
Linux is a commonly used firewall operating platform. The author gives a detailed analysis of the Netfilter and functions of the new Linux 2.4 kernel firewall, analyzes and summarizes the status and function of the Netfilter architecture in the Linux firewall, and shows an example of how to use Netfilter To expand the functionality of Linux firewall.