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HIERARCHICAL FIREWALLS

  • US 20090249472A1
  • Filed: 01/05/2009
  • Published: 10/01/2009
  • Est. Priority Date: 03/27/2008
  • Status: Active Grant
First Claim
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1. A method of implementing a firewall, the method comprising:

  • a) receiving a layer of policies from each of a plurality of entities with different levels of authority; and

    b) evaluating received packets based on the received layers of policies, wherein a layer of policies of a higher level of authority can accept a received packet, block the received packet, or delegate a decision of whether to accept or block the received packet to a layer of policies of a lower level of authority.

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