Traffic scanning device and method

摘要: PROBLEM TO BE SOLVED: To quickly and flexibly discriminate whether or not data included in a packet to be transferred on communication network are belonging predetermined group.SOLUTION: A hash value is generated with entry pattern detected as key, the stored collation data. Also, mask for using having desired inspection length traffic an stored. Data from position designated by offset segmented pattern, applied such that length. Thus obtained of each compared suspicious determined.