Intrusion detection apparatus and method using patterns
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United States of America Patent
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Sep 6, 2011
Grant Date -
Feb 7, 2008
app pub date -
Jul 29, 2007
filing date -
Aug 1, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An intrusion detection apparatus includes: a rule generator classifying intrusion detection rules into rules having content examination parts and rules without content examination parts, granting an index to each of the rules so as to output the indices to a unit for performing the matching and to simultaneously store the indices; an extractor extracting payload parts and address parts from the packets and outputting the extracted payload parts and address parts to the unit; and an examination unit examining corresponding rules based on the indices.
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