DOMAIN TYPE ENFORCEMENT

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Presentation transcript:

DOMAIN TYPE ENFORCEMENT TOPIC DOMAIN TYPE ENFORCEMENT Ravi Sandhu

MANDATORY CONFIGURABLE POLICY Each subject has an associated domain Each object has an associated type Domain-type enforcement (DTE) table specifies the types that can be read and written by each domain Domain-transition table (DTT) specifies which domains can be “called” from a particular domain.

DTE Table Types F G D o m a i n s U r w r V r w mandatory rights

Domain Transition Table Domains U V D o m a i n s U enter V mandatory rights

Trusted Pipeline (Boebert and Kain ’85) User Domain U Labeler Domain L Printer Domain P Docs Printer U L P U L P rw U L P enter rw enter r w DTE Table DT Table