Pattern clustering-based parallel network flow characteristic detection method
A technology of feature detection and network flow, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of poor flexibility and high cost
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[0051] In this embodiment, the adopted pattern set is the Snort rule set in March 2008, which contains 5831 patterns in total.
[0052] 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.
[0053]Step S2, according to the selected matching algorithm AC applicable to the short pattern and the matching algorithm MRSI applicable to the long pattern, and the length segmentation point of the selected pattern, the pattern set is divided into a short pattern subset and a long pattern subset, due to the MRSI algorithm The minimum length of the required pattern is 6, therefore, in this embodiment, the split point of the selected long and short patterns 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, the length is less than 6 The ...
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