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An implementation of remote application support in a multilevel environment

机译:在多级环境中实现远程应用程序支持

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摘要

There is a growing need for high-assurance architectures that support mandatory confidentiality and integrity policies. One such architecture currently under development is the Monterey Security Architecture (MYSEA), a distributed multilevel secure (MLS) computing environment that integrates untrusted commercial off-the-shelf components with specialized high-assurance elements. To ensure that information is purged from untrusted client PCs between sessions at different security levels, MYSEA clients are diskless. Therefore, it is desirable for thin MYSEA clients to be able to remotely execute server-resident applications, which may in turn request access to data residing elsewhere on the MLS Local Area Network (LAN). This functionality must be implemented in such a way that the access control policies of the multilevel environment are maintained. Working from a detailed design for remote application support, this thesis involved the implementation and testing of the remote application support functionality. Beyond the implementation of remote application support itself, this thesis involved the porting of a Trivial File Transfer Protocol (TFTP) client and the development of a simple web client as proof-of-concept remote applications, as well as the creation of a Common Gateway Interface (CGI) mechanism for invoking those remote applications from a client web browser. This research is relevant to the DoD Global Information Grid's vision of assured information sharing.
机译:人们越来越需要支持强制性机密性和完整性策略的高安全性体系结构。当前正在开发的一种这样的体系结构是蒙特里安全体系结构(MYSEA),这是一种分布式多级安全(MLS)计算环境,它将不可信的商业现货组件与专门的高保证元素集成在一起。为了确保在不同安全级别的会话之间从不受信任的客户端PC清除信息,MYSEA客户端是无盘的。因此,希望MYSEA瘦客户端能够远程执行服务器驻留的应用程序,这可能进而请求访问MLS局域网(LAN)上其他位置的数据。必须以维护多级环境的访问控制策略的方式来实现此功能。本文从远程应用程序支持的详细设计入手,涉及远程应用程序支持功能的实现和测试。除了实现远程应用程序支持本身之外,本文还涉及了普通文件传输协议(TFTP)客户端的移植以及作为概念验证的远程应用程序的简单Web客户端的开发,以及公共网关的创建。用于从客户端Web浏览器调用那些远程应用程序的接口(CGI)机制。这项研究与国防部全球信息网格确保信息共享的愿景有关。

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    Egan Melissa K.;

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  • 年度 2006
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