网络的安全维护毕设论文.doc

编号毕业论文中文摘要 当今中国已经成为互联网第一人口使用大国，网络普及最快的国家，越来越多的企业希望发展网络办公和电子商务，与网络相关的行业已经成为热门行业。 随着计算机网络在人类生活领域中的广泛应用，针对计算机网络的攻击事件也随之增加。网络已经无所不在的影响着社会的政治、经济、文化、军事、意识形态和社会生活等各个方面。同时在全球范围内，针对重要信息资源和网络基础设施的入侵行为和企图入侵行为的数量仍在持续不断增加，网络攻击与入侵行为对国家安全、经济和社会生活造成了极大的威胁。计算机病毒不断地通过网络产生和传播，计算机网络被不断地非法入侵，重要情报、资料被窃取，甚至造成网络系统的瘫痪等等，诸如此类的事件已给政府及企业造成了巨大的损失，甚至危害到国家的安全。网络安全已成为世界各国当今共同关注的焦点，网络安全的重要性是不言而喻的，因此，对漏洞的了解及防范也相对重要起来。 在我的这篇论文里，将综合概括一些过去、现有的网络和系统漏洞，就几种常见的和必威体育精装版出现的漏洞及其特征进行详细的说明，并就此进一步展开对这些漏洞的防范措施的具体介绍，使大家认识并了解这些漏洞的危害，从而更好的保护自己的计算机。 Abstract Nowadays, China has become the first use of Internet population big country, popularity of the network the fastest countries, more and more enterprises hope to develop network office and electronic business, associated with the network industry has become a hot industry. With the popularity of computer network in human life field, the attacking matters aimed at computer network have also increased. Network has omnipresent impacts for various fields like politics, economy, culture, military affairs, ideology and social lives, etc. Simultaneously, in global range, the amount of invasion and invasion attempting affairs that aimed at important resource and network basic equipments has kept increasing. The network attacking and invasion have significant threat on national security, economy and social lives. Computer virus have been produced and spread ceaselessly; computer network has been invaded illegally; important information and data have been stolen and even network system has been crashed. Such events have caused enormous damages for governments and enterprises, sometimes for national security. Therefore, network security has been the focus of every country in the world and its importance is self-evidenced. Hence, it is comparatively important to know the computer holes and precaution. In this paper, it generalizes some existing network and system holes as well as used ones, illuminates some usual and new-coming holes and their characte