A method for improving DNS safety and performance

A DNS server and performance technology, applied in the Internet field, can solve the problems of centralized attack by attackers, good analysis effect of authorized DNS server, poor analysis effect, etc., to achieve the goal of defending against DNS attacks, improving service performance, and expanding the defense area Effect

Inactive Publication Date: 2018-07-27
北京云端智度科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. There are few coverage points, and the analysis effect on areas without coverage is not good
Generally speaking, the number of DNS servers is limited, and authorized DNS servers cannot fully cover all regions of the country
The consequence of this is that the analysis effect of the uncovered area will be greatly affected
For example, a region in Xinjiang is not covered by authorized DNS services. When users in this region need to perform DNS resolution, they need to resolve through authorized DNS servers in Qinghai or further regions. Such resolution effect is definitely not as good as through authorized DNS servers in Xinjiang. Good analysis effect
[0008] 2. The number of nodes is small, and it is easy to be attacked by attackers
Therefore, under the current circumstances, the authoritative DNS server faces a greater risk of being maliciously compromised

Method used

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figure 1-2 According to the characteristics of the CDN technology, the embodiment of the present invention sends a domain name resolution request of abc.com to the local domain name server through the domain name resolver. The local domain name server (local dns) requests the IP address of the domain name from the DNS system in a...

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Abstract

The invention discloses a method for improving DNS safety and performance. Through a DNS VIEW function, domain name resolutions can be carried out by different DNS authorized servers according to different areas, corresponding IP addresses can be returned, proximity resolutions and load balancing can be achieved, and the situation that resolutions are carried out by concentrating on one or severalauthorized DNS servers can be avoided. Compared with the prior art, the method can increase the coverage area of authoritative servers and improve service performance, and the nodes of the authoritative servers can be resolved proximally for different regions of the country. The prevention areas of DNS authoritative servers can be effectively extended because of the dispersion of DNS authority, and therefore, DNS attacks can be effectively defended, and the safety of the DNS authority can be increased.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a method for improving DNS security and performance. Background technique [0002] With the development of society, the rapid growth of Internet users has led to the vigorous development of the Internet economy. Mobile Internet, e-commerce, online video, brand online advertising, online recruitment, online games, etc. have developed rapidly in a very short period of time and accumulated a large number of users. , has become an integral part of people's lives. [0003] DNS is the abbreviation of Domain Name System (Domain Name System or Domain Name Service), which is composed of a resolver and a domain name server. A domain name server refers to a server that saves the domain names and corresponding IP addresses of all hosts in the network and has the function of converting domain names to IP addresses. DNS is divided into authoritative DNS, recursive DNS, and forwarding DN...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H04L29/12
CPCH04L63/1441H04L67/10H04L67/1021H04L61/4511H04L67/1001
Inventor 刘晓光赵子毅汪志武
Owner 北京云端智度科技有限公司
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