Traffic analysis method , common
US11425047B2 Patents
This application provides a traffic analysis method and obtaining a plaintext feature and a ciphertext feature of a packet in traffic, where the ciphertext feature includes a length feature of an encrypted field in the packet; and analyzing the traffic based on the plaintext feature and the ciphertext feature, to identify a service or an application to which the traffic belongs . The method may be used for service identification or application identification . The ciphertext feature is introduced in traffic analysis, so that traffic identification accuracy is improved in a packet encryption sc
14 claims. 102,909 characters of text.