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Method for realizing physical partition of internal and external networks

A technology of physical separation and internal and external networks, applied in the field of network security, can solve problems such as inability to realize real-time communication, and achieve the effect of enhancing real-time responsiveness

Inactive Publication Date: 2013-07-17
TIANJIN POLYTECHNIC UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the disadvantage of this method is that it cannot realize real-time communication between internal and external networks

Method used

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  • Method for realizing physical partition of internal and external networks
  • Method for realizing physical partition of internal and external networks

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Embodiment Construction

[0034] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0035] The main function of the physical partition is to ensure the security of the internal network, and strictly manage the data to be transmitted from the external network to the internal network and the data to be transmitted from the internal network to the external network. Its purpose is mainly to prevent unsafe factors (including hackers, Trojan horses, and viruses) from the external network from destroying important information and data on the internal network. Such as figure 1 Shown: The external network is used to provide various application services (HTTP, FTP, etc.) to the WAN. Users need to provide data to the external network data server through various services. All or most of these data need to be transmitted to the internal network for reprocessing. After processing, the data processing results will be fed back to the external network for release. ...

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Abstract

The invention provides a method for realizing physical partition of internal and external networks, and belongs to the field of network security. The method comprises the steps that the external network is provided with first physical partition equipment; the internal network is provided with second physical partition equipment; communication between the internal network and the external network is realized through the first physical partition equipment and the second physical partition equipment; at least one universal serial bus is arranged between the first physical partition equipment and the second physical partition equipment; and the communication between the first physical partition equipment and the second physical partition equipment is realized through the universal serial bus. The method realizes real-time data transmission between the internal network and the external network based on ensuring the security, and improves the real-time data responsiveness of the internal network and the external network greatly.

Description

technical field [0001] The invention belongs to the field of network security, and in particular relates to a method for realizing physical separation of internal and external networks. Background technique [0002] Nowadays, more and more attention has been paid to the security of internal and external networks. As a kind of network security equipment, "physical isolation" has been widely used in today's internal and external network isolation. [0003] At present, most of the physical isolation between internal and external networks is realized by means of hardware switches or "data ferry". The advantage of this type of physical partition is that it completely isolates the logical link of data transmission between the internal and external networks, and has high security. However, the disadvantage of this method is that real-time communication between internal and external networks cannot be realized. Contents of the invention [0004] The purpose of the present invent...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 时珍全
Owner TIANJIN POLYTECHNIC UNIV
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