A parallel network flow feature detection method and system based on pattern clustering
A technology of feature detection and clustering method, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as high cost and poor flexibility
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[0046] In this embodiment, the adopted pattern set is the Snort rule set in March 2008, which contains 5831 patterns in total.
[0047] Step S1, select a set of pattern matching algorithms to be used, select the matching algorithm suitable for short patterns as AC, and select the matching algorithm suitable for long patterns as MRSI.
[0048] Step S2, according to the selected matching algorithm AC suitable for the short pattern and the matching algorithm MRSI suitable for the long pattern, select the length segmentation point of the pattern, and divide the pattern set into a short pattern set and a long pattern set, because the MRSI algorithm requires the pattern The shortest length is 6, therefore, in this embodiment, the division point of the selected long-short pattern is 6, and the number of patterns with a length less than 6 in the Snort rule set is 1421, and the remaining lengths are all greater than or equal to 6, that is, patterns with a length less than 6 It is assig...
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