【作者】 张力；

【导师】 戴宗坤； 陈渭熊；

【作者基本信息】 四川大学 ， 电子与信息工程， 2002， 硕士

【摘要】 随着网络技术的广泛深入发展，信息安全的重要性也日益体现。论文作者目前从事信息化建设和网络安全建设工作。针对工作中的情况，本文主要论述建立因特网接入安全体系的必要性、重要性和具体的要求，分析了多种接入体系的安全性，采用深层防御体系的优势和构建方法，设计了深层防御体系框架，并对其中的各个系统及其相互关系进行了分析。论文首先介绍了因特网发展和开放式互联的风险，分析互联体系的漏洞和风险，阐明了建立接入安全体系的必要性和重要性：从政府部门的安全需求出发，按照“既防外，又控内”的原则，提出了具体的安全要求。在此基础上从多种接入安全体系的分析中，指山了采用深层防御体系来建立接入系统的安全，并重点建立了整个防御体系的框架，在整个框架中又分别描述了各个系统的组成，以及它们的相互关系。更多还原

【Abstract】 Field: Eleetronic & Information EngineeringGraduate student: Zhang Li Supcrvisor: Dai Zongkun Cheng WeiXiongWith the rapid development of network tecl1noIogy, i11formation security is gettingmore and more important.I’m responsible for construction of information network and securitynetwork. ln connection with my daily work, this article mainly specifies the.necessity, importapce and detailed requirements fOr Internet il1terface system. Itanalyses the security of multiple interface system and states the advantages ofmulti-layer security system. It also constructs the fra1ne of defense systems inwhich organization and relationsllip of each of tl1e systems will be describedindividuallyFirst, the thesis describes the development of I11terl1et. states the risks ofopen inierconnection and analyses the disadvahtages and risks of Internetsystem. It also states necessity and importance 1br tl1e establishment of interfacesecurity system. And the thesis discusses the detailed requirements for securityof government department in accordance witl1 principles of "defending againstoutside and inside". The Author poil1ts out tl1at it is co111paratively safe to adoptmulti-layer security system among so many interfacc secul.ity systems. Finally,The thesis gives the construction of tl1e 1’rame of wholc delbl1se systems inwhich organization and relationship of eacl1 of the systems will be describedindividually更多还原