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DNS zone data verification method and device

A technology of data verification and DNS server, applied in the field of data processing, can solve the problems of domain name data security threats, hidden dangers of DNS node area data security, and inability to ensure area data consistency, etc., and achieve the effect of good operability and practicability

Active Publication Date: 2019-07-23
CHINA INTERNET NETWORK INFORMATION CENTER
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Problems solved by technology

[0004] However, the inventor found through research that the zone data consistency verification mechanism has not been introduced into DNS at this stage, and attackers can use technical means to tamper with the data in unsigned DNS messages and destroy important domain name data; resulting in DNS There is a security risk in the zone data managed by the node
That is to say, at present, DNS cannot ensure the consistency of zone data in a multi-level distributed system, which poses a huge threat to the security of domain name data

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  • DNS zone data verification method and device

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Embodiment Construction

[0046]In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0047] At this stage, DNS manages a large number of generic top-level domains (English: generic top-level domains, abbreviated: gTLDs) and country and regional top-level domains (English: country code top-level domains, abbreviated: ccTLDs), and the amount of New gTLD data is also Due to the complex and changeable network environment, it is particularly important to...

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Abstract

The invention discloses a DNS zone data verification method and device, and the method comprises the steps: obtaining a latest updated transaction digital fingerprint corresponding to a latest serialnumber from a latest updated transaction of an incremental data file as a first verification digital fingerprint after an auxiliary DNS server completes incremental updating each time; wherein the kthupdated transaction digital fingerprint is generated and stored in advance by using a digital fingerprint coding algorithm based on resource record query hash values of the first to kth updated transactions in the local area file and the incremental data file; acquiring the digital fingerprint corresponding to the latest serial number from the zone file of the main DNS server as a first standarddigital fingerprint; and if the first verification digital fingerprint is inconsistent with the first standard digital fingerprint, determining that the DNS region data of the auxiliary DNS server isabnormal. Therefore, the digital fingerprint technology is applied to DNS region data verification, a DNS region data consistency verification method is established, and potential safety hazards of DNS region data inconsistency are discovered in time.

Description

technical field [0001] The present application relates to the technical field of data processing, in particular to a method and device for verifying DNS zone data. Background technique [0002] With the rapid development of computer science and technology, Internet services have gradually penetrated into various fields of society, and their applications in various fields have become more and more extensive. The number of global Internet domain names is very large and increasing day by day, among which, the data volume of traditional top-level domain names has reached tens of millions or hundreds of millions. With the continuous promotion of new top-level domains (English: new generic top-level domains, abbreviation: New gTLD) , and its data volume is also growing rapidly. [0003] Facing today's extremely complex and changeable network environment, the Domain Name System (English: Domain Name System, abbreviation: DNS) is a management and analysis system for global Internet...

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Application Information

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IPC IPC(8): H04L29/06H04L29/12G06F21/16
CPCH04L63/14G06F21/16H04L61/4511
Inventor 叶崛宇贺明张海阔岳巧丽闫夏莉
Owner CHINA INTERNET NETWORK INFORMATION CENTER
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