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Device 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 effects of enhanced real-time responsiveness and strong data processing capabilities

Inactive Publication Date: 2013-08-07
TIANJIN POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
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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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  • Device for realizing physical partition of internal and external networks
  • Device for realizing physical partition of internal and external networks

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0026] 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 device for realizing physical partition of internal and external networks, and the device belongs to the field of network security. The device comprises first physical partition equipment and second physical partition equipment; the first physical partition equipment is arranged in an external network, and the second physical partition equipment is arranged in an internal network; the external network and the internal network communicate with each other through the first physical partition equipment and the second physical partition equipment; and the first and second physical partition equipment communicate at least through a universal serial bus. According to the device for realizing the physical partition of the internal and external networks, the real-time transmission of data between the internal and external networks is realized on the premise of ensuring security, and the real-time response of the data of the internal and external networks is greatly improved.

Description

technical field [0001] The invention belongs to the field of network security, and in particular relates to a device 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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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/40
Inventor 时珍全
Owner TIANJIN POLYTECHNIC UNIV
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