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SELinux from scratch

May 16th, 2006

SELinux, the U.S. National Security Agency´s implementation of mandatory access control, is the most prominent new security subsystem in Linux. It comes installed by default in Fedora and Red Hat Enterprise Linux and is available in easy-to-install packages in other distributions. This article shows you how to convert a non-SELinux system by hand in order to expose details about how SELinux is integrated into a system.

SELinux is a mandatory access control (MAC) system available in Linux kernels as of version 2.6. Of the Linux Security Modules available, it is the most comprehensive and well tested, and is founded on 20 years of MAC research. SELinux combines a type-enforcement server with either multi-level security or an optional multi-category policy, and a notion of role-based access control. See the Resources section later in this article for links to more information about these topics.Read Full Story

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