Diogo Ditzel Kropiwiec,  Paulo Lício de Geus. 

This paper presents the PolicyViewer tool. This tool has been designed to assist administrators with security policies configuration and management, improving policy comprehension, analysis and validation. To achieve these goals, the SELinux security policy model has been mapped in a graph structure, and this structure was used to create visual representations to enhance policy rules understanding and analysis.

http://www.lbd.dcc.ufmg.br/colecoes/sbseg/2005/0012.pdf

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