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Virtual gateway device based on network topology confusion and construction method

A technology for virtual network construction and virtual gateway, which is applied in the field of virtual gateway devices based on network topology confusion, can solve problems such as high attack risk, and achieve the effects of improving security, reducing attack risk, and reducing attack risk.

Active Publication Date: 2022-05-10
北京卫达信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that in the face of malicious network attacks, when the attack reaches the gateway, the real IP of some PCs in use will be at a greater risk of being attacked

Method used

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  • Virtual gateway device based on network topology confusion and construction method
  • Virtual gateway device based on network topology confusion and construction method

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Embodiment Construction

[0052] The following is attached Figure 1-2 The application is described in further detail.

[0053] The embodiment of the present application discloses a network topology confusion virtual gateway device based on a virtual network. refer to figure 1 , including a virtual node module, a virtual network construction module, a virtual gateway generation module, a gateway selection module, a gateway induction module, a data transfer module, an attack warning module, a data receiving module and a data sending module.

[0054] The virtual node module can be a switch or a PC, at least one of which is used to modify its real IP address to a virtual IP address. The network increases the complexity of the attacker's attack and makes it difficult for the attacker to attack the real PC.

[0055] The virtual node module is arranged between the first network device and the second network device, both of the first network device and the second network device may include a router and a s...

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Abstract

The invention relates to the technical field of network communication, and discloses a network topology confusion virtual gateway device based on a virtual network and a construction method, and the device comprises a virtual node module, a virtual network construction module, a virtual gateway generation module, a data receiving module and a data sending module. The virtual node module is used for modifying a real IP address of the virtual node module into a virtual IP address; the virtual network construction module is used for constructing the plurality of virtual node modules modified into the virtual IP addresses into a virtual network, the virtual network is further provided with a real node module virtual gateway generation module, and the virtual gateway generation module is used for selecting one or more virtual node modules in the virtual network as virtual gateways capable of replacing real gateways; the data receiving module is used for the virtual gateway to receive the DHCP packet; and the data sending module is used for sending the DHCP packet received by the virtual gateway. According to the method and the device, the effect of protecting the real gateway can be achieved, so that the attack risk on the real IP address of the PC in the use process is reduced.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a virtual gateway device and a construction method based on network topology confusion. Background technique [0002] Network topology (Network Topology) structure refers to the physical layout of various devices interconnected by transmission media. Refers to the specific physical (real) or logical (virtual) arrangement among the members of the network. If two networks have the same connection structure, we say that their network topology is the same. [0003] There are gateways in the network topology, and gateways are also called Internet connectors and protocol converters. The gateway implements network interconnection above the network layer. It is a complex network interconnection device and is only used for the interconnection of two networks with different high-level protocols. Gateways can be used for both WAN interconnection and LAN interconnection. A ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40H04L41/0803H04L41/0895
CPCH04L63/1491H04L41/0803
Inventor 张长河林奇伟
Owner 北京卫达信息技术有限公司