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Protecting network users in mobile code systems

机译:在移动代码系统中保护网络用户

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摘要

Conventional access control mechanisms are rather insensitive to occurrences of context-dependent illegal accesses. Insensitivity to context-dependent accesses may lead to failure to protect network users and resources. Context-dependent illegal accesses resulting from data and privilege flows in open networks cannot be prevented by either authentication or access control mechanisms since unauthorized access need not be attempted. In this paper we present a protection model which tracks data and privilege flows in mobile code systems. It can uniformly define various types of illegal access patterns and has the advantage of preventing context-dependent illegal accesses such as those caused by inadvertent execution of remote mobile code containing viruses or Trojan Horses. The proposed flow control model is expected to complement the conventional model for access control.
机译:传统的访问控制机制对上下文相关的非法访问的发生相当不敏感。对上下文相关访问不敏感可能导致无法保护网络用户和资源。由于不需要尝试未经授权的访问,因此无法通过身份验证或访问控制机制来防止由于开放网络中的数据和特权流而导致的上下文相关的非法访问。在本文中,我们提出了一种保护模型,该模型可以跟踪移动代码系统中的数据和特权流。它可以统一定义各种类型的非法访问模式,并具有防止上下文相关的非法访问(例如,由于意外执行包含病毒或特洛伊木马程序的远程移动代码而导致的非法访问)的优点。预期所提出的流控制模型将补充传统的访问控制模型。

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