一种IPv4向IPv6过渡的防火墙设计与实现

D esign and Im p lem en tation of IPv4/IPv6D au l S tack F irew a ll

针对IPv6的实施与应用以及IPv4向IPv6过渡时期的安全问题,本文设计一个基于Linux支持IPv4/IPv6双协议栈的防火墙系统。文中通过对过渡策略、IPv4/IPv6的数据报头格式、双协议栈的安全性和防火墙体系结构等方面的研究,提出了一个新的基于Linux的IPv4/IPv6双协议栈防火墙体系结构和具体实现。

In allusion to implementing and application of IPv6 and security problems of periodIPv4 transits to IPV6, the thesis designs and implements a IPv4/IPv6 dual stack firewall system based on linux, through the research of transition policy, IPv4/IPv6 data header format, security of dual stack and system structure and designs the Daul Stack system structure.