System and method for providing peer level access control on a network
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United States of America Patent
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May 15, 2001
Grant Date -
N/A
app pub date -
Jan 17, 1997
filing date -
Jan 17, 1997
priority date (Note) -
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Abstract
A system and method for providing peer-level access control on networks that carry packets of information, each packet having a 5-tuple having a source and destination address, a source and destination port, and a protocol identifier. The local rule base of a peer is dynamically loaded into a filter when the peer is authenticated, and ejected when the peer is loses authentication. The local rule base is efficiently searched through the use of hash tables wherein a hashed peer network address serves as a pointer the peer's local rules. Each rule comprises a 5-tuple and an action. The action of a rule is carried out on a packet when the 5-tuple of the rule corresponds to the 5-tuple of the packet.
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