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Method and device for detecting engine device, firewall and network transmission file

A network transmission and file technology, applied in the network field, can solve problems such as file security detection

Inactive Publication Date: 2013-05-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, existing file security detection methods cannot perform security detection on files transmitted based on the Peer to Peer (P2P) protocol.

Method used

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  • Method and device for detecting engine device, firewall and network transmission file
  • Method and device for detecting engine device, firewall and network transmission file
  • Method and device for detecting engine device, firewall and network transmission file

Examples

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Embodiment Construction

[0033] figure 1 It is a flow chart of a method for detecting network transmission files provided by an embodiment of the present invention. like figure 1 As shown, the method includes:

[0034] Step 11, obtain the seed file and the download address according to the interactive message between the download client and the network side; the seed file includes the segmentation information of the download data package, and the download address is where each segment data of the download data package is located server address.

[0035] For example, a firewall, a detection engine, or a separate detection device obtains the torrent file and the download address according to the interaction message between the download client and the network side. Wherein, the firewall is a security software installed on the download client. The method for detecting files transmitted over the network is described below by taking the firewall as an example. Of course, the operation of the detection e...

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Abstract

The invention provides method and device for detecting engine device, firewall and network transmission file. The method for detecting engine device, firewall and network transmission files comprises the following steps: obtaining a seed file and download address according to interactive message between a download client side and a network side; the seed file comprises subsection message of a download data package, and the download address is a server address in which the each subsection data of the download data package is located; obtaining each subsection data of the download data package and index of the each subsection data from at least two data channels according to the download address; restoring the each subsection data to the complete data package according to the index of the each subsection data and the subsection message; conducting safe detection on the complete data package.

Description

technical field [0001] The invention relates to network technology, in particular to a detection engine device, a firewall, and a method and device for detecting network transmission files. Background technique [0002] For the sake of computer system security, it is usually necessary to perform security checks on network transmission files. [0003] The transmission of files in the network needs to be carried on an application protocol. At present, the commonly used application protocols are HTTP, FTP, IMAP, STMP, etc. When using these protocols to transmit a file, all data packets of the file will be transmitted on the same data channel according to the starting sequence of the file, and will be transmitted according to the order of the file. The initial sequence enters the file security detection module for security detection. [0004] When the file security detection module performs security detection, all data packets of the file are searched for threat features accor...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L29/08
Inventor 蒋武张日华于博
Owner HUAWEI TECH CO LTD