本科计算机网络工程毕业答辩论文摘要 随着计算机网络的不断进展和普及，计算机网络带来了无穷的资源，但随之而来的网络安全问题也显得尤为重要。安全是网络运行的前提，网络安全不仅仅是单点的安全，而是整个信息网络的安全，需要从多方进行立体的防护。文中就局域网网络安全的当前形式及面临的各种威胁，网络安全防范措施、技术，阐述了局域网网络安全当前在我们生活中的重要性。关键词：局域网 网络 安全 网络安全AbstractAlong with calculator network continuously development and universality, the calculator network brought an endless resources, but the network safe problem for following also seems to be is importance. The safety is a network movement of premise, the network safety isn't only an only a little bit single safety, but the whole safety of information network, need from in many ways carry on a stereoscopic protection. In the text the current form of area net network safety in bureau and face of various threat, the network safety guards against a measure, technique and elaborated that the area net network safety in bureau is in the importance in our life at present.Keyword：LAN Internet Security Network Security目录第一章 网络安全 ...............................................................................................................1第一节.....................................................网络安全的定义1第二节.........................................局域网安全威胁及安全攻击1一 局域网安全威胁 .................................................................................1二 安全攻击 .............................................................................................2第三节 局域网当前形式及面临的问题 .............................................................4第二章 网络安全的防护措施 ...........................................................................................6第一节 网络体系结构 .............................................
