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Method and apparatus for comparing access control lists for configuring a security policy on a network

Image Number 3 for United States Patent #7636937.

Two or more access control lists that are syntactically or structurally different may be compared for functional or semantic equivalence in order to configure a security policy on a network. A first access control list is programmatically determined to be functionally equivalent to a second access control list for purpose of configuring or validating security policies on a network. In one embodiment, a box data representation facilitates comparing entries and sub-entries of the lists.

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