USENIX 2004 Annual Technical Conference, FREENIX Track Abstract
Pp. 8191 of the Proceedings
Modular Construction of DTE Policies
Serge E. Hallyn, IBM Linux Technology Center, and Phil Kearns, College of William and Mary
This paper describes a tool which composes a policy for a fine-grained mandatory access control system (DTE) from a set of mostly independent policy modules. For a large system with many services, a DTE policy becomes unwieldy. However, many system services and security extensions can be considered to be largely standalone. By providing for explicit grouping, namespaces, and globbing by namespaces, inter-module access rules can be made generic enough to permit modules to be mixed and matched as needed. As a result, it becomes easier to extend a policy, debug a policy, and to distribute meaningful policy modules with new software.
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