Linux Kernel Security: Adapting 1960s Technology to Meet 21st Century Threats
by James Morris, Linux Kernel Developer on Aug 22, 2010
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Unix was not designed with security primarily in mind. It was initially developed in the late 1960s -- before the Internet was invented. While relatively simple, the Unix security model is inadequate ...
Unix was not designed with security primarily in mind. It was initially developed in the late 1960s -- before the Internet was invented. While relatively simple, the Unix security model is inadequate for protecting against common security threats. Its designers identified fundamental design flaws over thirty years ago. As Linux is modeled on Unix, it inherits this traditional Unix security model. Meeting modern security requirements has required significant enhancements to Linux, which are ongoing, but well-advanced. While many new security ideas have emerged, Linux developers have necessarily been constrained by decades of operating system standards and conventions. Aimed at admins, developers and technical managers, the talk will cover:
* The historical context of Linux security
* Modern security OS requirements
* How these requirements are being addressed (or not) by various enhancements made to Linux security
* Areas of ongoing and future work. We'll also consider how FOSS culture contributes to security.
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