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SysAdmin: SELinux Print E-mail
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Source: SysAdmin Magazine - Posted by Jen Olson   
SELinux Security Enhanced Linux (SELinux) is an extension to the standard Linux kernel that has been designed to enforce strict access controls. SELinux lets you confine processes to the minimum amount of privilege they require. In this article, I will cover the ideas behind SELinux and show how to install, configure, and manage an SELinux system.. . . Security Enhanced Linux (SELinux) is an extension to the standard Linux kernel that has been designed to enforce strict access controls. SELinux lets you confine processes to the minimum amount of privilege they require. In this article, I will cover the ideas behind SELinux and show how to install, configure, and manage an SELinux system. As an example of configuring a security policy, I'll show how to configure a BIND-based DNS server with an example security policy that restricts the DNS server to accessing only those files it requires for operation.

Introduction and History

SELinux was released late in 2000 by the U.S. National Security Agency (NSA) and was developed with cooperation from such security heavyweights as NAI Labs, Secure Computing Corporation, and MITRE Corporation. The NSA Information Assurance Research Office continues to guide SELinux development; it is this office that is responsible for carrying out research and development of solutions to achieve a high level of information security critical to government and industry.

Read this full article at SysAdmin Magazine

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