【摘要】 信息技术的发展导致并伴随着安全问题的产生，长期以来安全技术防范的目标都是外部闯入者，而忽视了内部人员的非法操作和主机（服务器）本身的安全。文章提出一种主机安全的模型框架，力图同时防范来自内、外部的攻击，全面增强主机安全。更多还原

【Abstract】 The development of information technology follows the problem of security. But the main focus of securityhas been put on outside intruders,neglecting the inside intruders and host security. The paper presents a model of host(server) security trying to check attacks from both outsiders and insiders and to increase host security in every aspects.更多还原