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A network virus detection method and network equipment

A network virus and detection method technology, applied in the field of network virus detection methods and network equipment, can solve problems such as low virus detection efficiency, and achieve the effect of reducing invalid hashes

Active Publication Date: 2022-04-01
BEIJING ANBOTONG TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present application provides a network virus detection method and network equipment to solve the problem of low virus detection efficiency caused by caching complete virus files in traditional network virus detection methods

Method used

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  • A network virus detection method and network equipment
  • A network virus detection method and network equipment
  • A network virus detection method and network equipment

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Embodiment Construction

[0045] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0046] It should be noted that the descriptions of "first" and "second" in this article are used to distinguish different messages, devices, modules, etc. are different types.

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0048] ...

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Abstract

The present application provides a network virus detection method and a network device, the method comprising: obtaining a file to be transmitted through the network device, obtaining a target byte segment of the file to be transmitted; passing the target byte segment through a Bloom filter Filter for pre-detection of network viruses; the Bloom filter is constructed based on byte fragments of multiple virus files; if the filtering result shows that there are byte fragments of virus files matching the target byte fragments, the cache will wait for Transfer files; calculate the hash value of the file to be transferred after caching; match the hash value with the reference hash value; the reference hash value is stored in the preset virus database; if there is a reference hash value matching the hash value value, it is confirmed that the file to be transferred is a virus file. The method of the present application can timely perform virus pre-detection on the files to be transmitted, save the memory of the network equipment, and at the same time reduce the pressure on the CPU of the network equipment and reduce invalid hashes.

Description

technical field [0001] The present application relates to the field of network virus detection, in particular to a network virus detection method and network equipment. Background technique [0002] A network virus is a virus that spreads through the network. During the spread, the network virus can damage network devices, such as servers, switches, and routing devices. Generally, when the client utilizes the network device for data transmission, virus files will be mixed with normal files and enter the network device. Therefore, choosing to perform virus scanning and killing in network equipment is a feasible network virus detection method. [0003] At present, the process of network virus detection is generally as follows: the network device obtains the file being transmitted, and caches the file, calculates the hash value of the complete cached file after caching, and compares the hash value with the network virus hash The hash value is matched, and if the hash value of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L67/06G06F16/13G06F16/14
CPCH04L63/02H04L63/145H04L67/06G06F16/152G06F16/137
Inventor 张晓东
Owner BEIJING ANBOTONG TECH CO LTD
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