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本文在分析 netfilter处理数据包过程的基础上 ,给出了在系统空间和在用户空间开发基于 L inux内核防火墙netfilter安全应用的设计方法
Based on the analysis of netfilter process of data packet, this paper gives the design method of developing netfilter security application based on Linux kernel firewall in system space and user space