基于内容的网络安全信息审计技术研究-计算机软件与理论专业论文.docx

山东师范大学硕士学位论文最后设计基于内容的网络安全信息审计系统，对系统的各个模块进行详细讲解。此外 山东师范大学硕士学位论文 最后设计基于内容的网络安全信息审计系统，对系统的各个模块进行详细讲解。此外 对系统设计时涉及的关键技术，数据包捕获技术和数据还原技术进行了研究。 关键词：网络安全信息审计； 内容安全； 遗传算法； 1类svM 中图分类号：TP393 山东师范大学硕士学位论文Resoarch 山东师范大学硕士学位论文 Resoarch on the techn i quo$of network i nformat i oN$6cur i ty aud i t basod on content ABSTRACT w．th吐幢rapid growth of Intemet,o盯life is fled to Int锄et mo坞and mo坞dghny． Govemments，comly雒ie$，and黝m“duals他ly on ktcrnd t0 eommtmieate wi也others． Intemet is now an mdispemable element of oⅢeveryday life．However,people have realJT_蝴 that hternet is not够good硒。砒thought when they c巧oy thc convcnicn∞．Not only news reports。teelmology dynamics,pubfie entertainmen招and o也ef useful information are on也e ktemet,but tbe∞is a variety ofiUegal informafion’such鹤erotic,、，iolent and evil things，on it 嬲weU．W弛such information’people have been disturbed very mch in many ways．Moreover, lhe∞things潍be a huge lrouble for the eotmtry and soeie哆．How to audit也o∞谢ckcd information∞that they collld be a problem to懈?As m．I important component of也e L眦met seeuring，securing content of the I|n睨net information has been attached more and morc importance也esc days． Sccur毋Audit is a very attractive叩proach with real-time，dy,lamie and active defensive characterizes．In也e relevant international standards ofinformatioa s∞urity,networl【seetttity audit has become an m蛳ensable component part in eonsmledng safety network．But thc auditing produets that are strict accord强ce with the definidon of informadon sceurity黜very limc． Content-Based Network secllrity Auditing System(CBNSAS)wollld be a specialized system,删ch analyze and aunt也c network’s information content．At pfes毗位聆seareh on CBNSAS is a hotspot in the field ofnetwork∞c嘶哆；lo协ofkey teelanologies撇still in也eir ehildhood砒home and abroad．This thesis re跏ehes on也e teelanologies of content-based network seeuri哆audit，∞scareh work is carried om in two major ale嬲． 1．With the Vi删of key technology for network information content securing implemenmdon．The key teelmo