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Security patch for Linux kernel 2.4 - http://www.grsecurity.net/
Grsecurity is a set of security patches to the 2.4 tree of Linux kernels. The goal of the project is to create the most secure system possible while requiring minimum configuration changes. |
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http://www.ksplice.com/ - http://www.ksplice.com/
Provides Linux kernel extensions which allow system administrators to apply security patches to a running kernel without having to reboot the system. |
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Security ACLs for Linux kernel - http://acl.bestbits.at/
The site provides a patch for extended attributes and access control lists for Linux kernel. |
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Rule Set Based Access Control (RSBAC) for Linux - http://www.rsbac.org/
RSBAC is another MAC kernel security enhancement project for Linux. The standard package includes a range of access control models like MAC, RC, ACL. Additionally, the runtime registration facility (REG) makes it easy to implement your own access control model as a kernel module and get it registered at runtime. |
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Flask: An Operating System Security Architecture - http://www.cs.utah.edu/flux/fluke/html/flask.html
The Flask operating system security architecture provides flexible support for security policies. The architecture has previously been implemented in two research operating systems, Mach and Fluke, and is now being implemented in the Linux kernel. |