RSBAC (Score 1)

Check out Ruleset Based Access Control: www.rsbac.org.

Citing from their page: Key features:

• Open Source (GPL) Linux kernel security extension
• Independent of governments and big companies
• Several well-known and new security models, e.g. MAC, ACL and RC
• Control over individual user and program network accesses
• Any combination of models possible
• Easily extensible: write your own model for runtime registration
• Support for current kernels
• Stable for production use