DNS safety system and fault processing method thereof

A security system and fault technology, applied in the field of Internet applications, can solve problems such as failure of domain name resolution

Active Publication Date: 2014-07-30
BEIJING QIHOO TECH CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the DNS root node cannot be accessed, all domain name resolution will fail

Method used

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  • DNS safety system and fault processing method thereof
  • DNS safety system and fault processing method thereof
  • DNS safety system and fault processing method thereof

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Embodiment Construction

[0043] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0044] In order to solve the above-mentioned technical problems, an embodiment of the present invention provides a DNS security system, which is used to perform fault-handling disaster recovery processing when the root node structure fails. figure 2 A schematic structural diagram of a DNS security system according to an embodiment of the present invention is shown. see figure 2 , the DNS security system includes at least:

[00...

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Abstract

The invention provides a DNS safety system and a fault processing method thereof. The DNS safety system comprises at least one client end, a root node, an authorization information database and a virtual root node. The at least one client end is configured to initiate a DNS request. The root node is configured to provide authorization information for the DNS request. The authorization information database is configured to store all DNS requests and the corresponding authorization information in a specific area. The virtual root node is configured to call the corresponding authorization information from the authorization information database to provide analysis services for the corresponding client end when DNS analysis breakdown happens to the root node. The DNS safety system and the fault processing method thereof can improve the safety and the stability of DNS analysis.

Description

technical field [0001] The invention relates to the field of Internet applications, in particular to a DNS security system and a fault handling method using the DNS security system. Background technique [0002] DNS is the abbreviation of Domain Name System (Domain Name System), which is a core service of the Internet. As a distributed database that can map domain names and IP addresses to each other, it enables people to access the Internet more conveniently without going Remember the IP number string that can be read directly by the machine. [0003] The general structure of the Internet host domain name is: host name. third-level domain name. second-level domain name. top-level domain name. The top-level domain name of the Internet is registered and managed by the Internet Society Domain Name Registration Committee responsible for network address allocation. It also assigns a unique IP address to each host on the Internet. [0004] figure 1 A schematic diagram of the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06
CPCH04L63/00H04L63/1416H04L63/1458H04L61/4511H04L41/0654H04L41/0677
Inventor 濮灿
Owner BEIJING QIHOO TECH CO LTD
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