Deep packet inspection method and device

A technology of in-depth message inspection and message encapsulation, which is applied in the field of gateway verification and can solve the problem of inflexible message processing

Active Publication Date: 2013-02-20
HUAWEI TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a method and device for in-depth message inspection

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  • Deep packet inspection method and device
  • Deep packet inspection method and device
  • Deep packet inspection method and device

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[0048] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0049] This embodiment provides an in-depth message inspection method, which is suitable for the network architecture in which the in-depth message inspection device and service nodes of the present invention are separated. The in-depth message inspection device performs an in-depth report on the message sent from the forwarding plane ...

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Abstract

The embodiment of the invention provides a deep packet inspection method and device. The method comprises the following steps: the deep packet inspection device receives a first packet forwarded by a forwarding plane device; the deep packet inspection device determines a first service node according to a first feature of an application layer of a transmission control protocol and internet protocol family in the first packet and a first corresponding relationship between the first feature and the first service node; and the deep packet inspection device sends a second packet to the first service node which contains the information of the first packet. According to the technical scheme, the technical problem that the packet processing manner is not flexible enough in the prior art is solved.

Description

technical field [0001] The invention relates to gateway verification technology, in particular to a deep message inspection method and device. Background technique [0002] Deep packet inspection (DPI) technology is a traffic detection technology. Deep packet inspection technology can be used for bandwidth management and control. Deep packet inspection technology is more and more widely used. As network security threats gradually concentrate on the upper layers of the OSI model (Open System Interconnect model), network security technologies need to understand the content of the application layer of the message in order to carry out effective attack defense. [0003] In the prior art, a service node includes a message checking module and a service processing module. In the case that multiple business processes need to be performed on the same message and different business processes need to be performed by different service nodes, the processing order needs to be determine...

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Application Information

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IPC IPC(8): H04L12/801H04L12/26
Inventor 李广鹏
Owner HUAWEI TECH CO LTD
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