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Domain name system hijacking restoration method and system

A domain name system and repair method technology, applied in the network field, can solve problems such as slow repair method efficiency, achieve the effects of improving security and stability, improving efficiency and reliability, and improving adverse effects

Inactive Publication Date: 2019-09-20
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the problem that the efficiency of the existing domain name system hijacking repair method is relatively slow, and proposes a repair method and system for domain name system hijacking

Method used

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  • Domain name system hijacking restoration method and system

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Embodiment

[0037] The repair method of domain name system hijacking described in the embodiment of the present invention, such as figure 1 shown, including the following steps:

[0038] Step 1. Create a matching dictionary that includes the correspondence between geographic location information and operator information and DNS server addresses;

[0039] Specifically, through cooperation with the operator, the DNS server address corresponding to the geographical location information and the operator is obtained, and a matching dictionary DNS Mapping is created in the background. When it is detected that the user's domain name system access has been hijacked, the DNS server address corresponding to the geographical location and the operator is determined. For example, cooperate with multiple operators such as China Telecom, China Unicom, and China Mobile to obtain a list of DNS server addresses. The list of DSN server addresses includes provinces, cities, operators, and their correspondin...

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Abstract

The invention relates to the technical field of networks, aims to solve the problem that the existing domain name system hijacking repair mode is low in efficiency, and provides a domain name system hijacking repair method, which comprises the following steps of creating a matching dictionary comprising geographical location information and a corresponding relation between operator information and a DNS (Domain Name System) address; obtaining geographical location information and operator information of a user, and obtaining a corresponding DNS server address according to the obtained geographical location information and operator information and the matching dictionary; and detecting whether the domain name system access of the user is hijacked or not, and updating the current DNS server address into the acquired DNS server address after detecting that the domain name system access of the user is hijacked. According to the method and the device, automatic restoration of the domain name system hijacking is realized, the domain name system hijacking restoration efficiency is improved, the severe influence that the domain name system is hijacked is effectively improved, the safety and the stability of an intelligent equipment network are improved, and the method and the device are suitable for an intelligent television.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a repair method and system for domain name system hijacking. Background technique [0002] Domain Name System hijacking, also known as DNS (Domain Name System, DNS) hijacking, refers to intercepting domain name resolution requests within the hijacked network range, making it impossible to analyze the requested domain name. Once there is an error in the DNS, the domain name will not be resolved into the correct IP address, and users will not be able to access the correct page. DNS domain name hijacking modifies the results of domain name resolution so that a malicious attacker implants a virus. After the user visits the virus section, it invades the user's smart device and obtains the user's private information, resulting in the leakage of user information. As a key basic service of the smart device network, the DNS server will affect the normal operation of most services of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06
CPCH04L63/1466H04L63/1441H04L61/4511
Inventor 梁璐孙杰
Owner SICHUAN CHANGHONG ELECTRIC CO LTD