Deep packet inspection method and device
A deep message detection and message technology, applied in the field of data communication, can solve the problems of reducing the speed of feature word search and message forwarding, difficult to detect nested services, affecting software performance, etc., so as to improve the detection speed. Hit rate, reduce false hits, and combine simple effects
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[0019] The processing steps of the method of the present invention are as follows:
[0020] The first step is to analyze the bearer business application (such as HTTP, etc.), determine the service characteristics and the characteristic words that can identify the bearer business application, etc.;
[0021] The second step is to analyze nested business applications and determine the characteristic words that can identify business applications at each level, which can be configured in combination with multiple keywords during the search process at each level;
[0022] The third step, for the identification of nested services, combine the feature identification methods of each level to determine the final progressive search scheme for service identification (that is, first detect the basic bearer service type, and then deeply analyze the real service type layer by layer );
[0023] The fourth step is to configure the progressive search relationship through the command line. For ...
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