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network security system

A network security system and permission technology, applied in transmission systems, electrical components, etc., can solve problems such as invasion and loss of normal users, and achieve the effect of preventing backdoor attacks, improving security, and increasing security.

Inactive Publication Date: 2019-08-09
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, while the Internet has brought huge benefits to people, hackers have begun to invade major servers and databases through network viruses, causing huge losses to normal users who use the network.

Method used

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Embodiment Construction

[0031] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention.

[0032] Such as figure 1 As shown, a network security system proposed by the present invention includes an outer firewall 2, an isolator 3, an authority server 4, an inner firewall 7, an inner switch 8, and an end host 9 connected in sequence, wherein the authority server 4 is respectively The isolator 3 , the inner firewall 7 , the data compressor 11 and the main control computer 10 are connected, and the data compressor 11 is connected to the first database 12 and the second database 13 respectively. A data decompressor 15 is arranged on the end host or the intelligent terminal of the ext...

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Abstract

The invention provides a network security system comprising an external firewall, an isolator, authority servers, an internal firewall, an internal switch and a tail end host which are connected in turn. The authority servers are connected with the isolator, the internal firewall, a data compressor and a main control computer. The data compressor is connected with a first database and a second database. A data decompressor is arranged on the tail end host or an extranet intelligent terminal. The authority servers comprise a first authority server and a second authority server. The attack from the extranet and the intranet can be prevented, the data are split and respectively stored in the first database and the second database, and the data are acquired by verifying a data request through the first authority server and the second authority server. The main control computer arbitrarily selects the first authority server and the second authority server so that the cracking difficulty can be greatly increased for the hackers, and the security of the network security system can be effectively protected.

Description

technical field [0001] The invention relates to the field of computer networks, in particular to a network security system. Background technique [0002] With the rapid development of computer technology and network communication technology, the wide application of computer network in various fields has greatly improved people's work efficiency and made basic necessities of life more convenient. People at both ends of the earth can communicate with each other through the Internet. But while the Internet has brought huge benefits to people, hackers have begun to invade major servers and databases through network viruses, causing huge losses to normal users who use the network. Due to the fast propagation speed of the network, even if there are a large number of firewall software and anti-virus software, there are still loopholes, allowing hackers to use the loopholes of these software to attack. In the prior art, the security of the entire system is often protected by a lay...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/02H04L63/08
Inventor 李涛徐江
Owner JIANGSU UNIV OF SCI & TECH