摘要
借助Internet通信技术,高校图书馆网络可以为用户提供越来越多的数字资源,但是其网络也存在越来越多的安全问题。本文根据防火墙工作原理,分析了防火墙的各种失效状态,提出了一些防火墙安全防护措施。防火墙双机热备份和多层次防护等安全策略,是在防火墙失效状态下抵制非法入侵和防止未授权访问的有效手段,是维护图书馆网络正常运行的可靠保证。
By applying the technologies of intemet, library networks of the school can provide more and more numeral resources for the users, but still there are more and more questions for network security. In this paper, based on the work principle, the multifarious invalidation states of firewall were analyzed, and tots of security measures of firewall were presented. Applying two engine hot-copies and rnultilayer defenses for the firewall, it was efficient ways to reject the non-legitimacy intrusion and non-authorization visitation, and was the credible guarantee to maintain the security of library network.
出处
《现代情报》
北大核心
2008年第6期72-73,220,共3页
Journal of Modern Information
基金
国家自然科学基金项目(60774016)
鲁东大学教学改革项目(Z0704)
关键词
图书馆网络
防火墙
失效
安全策略
library network
firewaU
invalidation
security strategy
