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Domain name resolution agent method and system, and domain name resolution agent server

A proxy server and domain name resolution technology, applied in the field of a domain name resolution proxy server, domain name resolution proxy method and system, can solve the problems such as service failure to enable or tamper with network configuration, damage to normal network applications, network failure, etc.

Active Publication Date: 2012-11-21
三六零数字安全科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 4. Many parameters of the Windows application layer network are configured through the registry, which just gives malicious programs the opportunity to modify the registry at will, making the network invalid or services cannot be enabled or tampering with network configuration, thus destroying normal network applications

Method used

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  • Domain name resolution agent method and system, and domain name resolution agent server
  • Domain name resolution agent method and system, and domain name resolution agent server
  • Domain name resolution agent method and system, and domain name resolution agent server

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0192] Compared with embodiment 1, this embodiment has the following advantages:

[0193] 1. The timeout of domain name resolution can be specified by the client, so that the client application can get a response of success or failure within the specified time;

[0194] 2. Support recursive DNS query and non-recursive DNS query. Windows clients generally only support non-recursive query.

[0195] Since the HTTP protocol is used as the communication protocol between the client and the domain name resolution proxy server, it is not affected by the prohibition of the DNSP protocol by the firewall or the filtering of specific domain name fields on the DNS protocol. In addition, the background DNS server can use Bind 9 or other DNS The server can be configured in a recursive resolution mode, so that the success rate of DNS resolution is higher, and the problem that the Windows client system does not support recursive resolution in the prior art is solved.

[0196] In order to enab...

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PUM

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Abstract

The invention provides a domain name resolution agent method and system, and a domain name resolution agent server, wherein the domain name resolution agent method specifically comprises the following steps: a client starts a domain name resolution request based on a hypertext transport protocol (HTTP), wherein the domain name resolution request comprises a domain name parameter; the domain name resolution request is received; the domain name parameter is resolved from the domain name resolution request; according to the resolved domain name parameter is obtained, a domain name server (DNS) query request is sent to the DNS; the DNS response returned by the DNS is resolved and then returned to the client. According to the invention, the domain name resolution can be conducted through the DNS agent resolution technology based on the HTTP, so that the safety of the domain name resolution is improved.

Description

technical field [0001] The invention relates to the technical field of digital network communication, in particular to a domain name resolution proxy method and system, and a domain name resolution proxy server. Background technique [0002] DNS (Domain Name System, Domain Name System) is a distributed database for TCP / IP (Transmission Control Protocol / Internet Protocol, Transmission Control Protocol / Internet Protocol), which provides information between host names and IP addresses. conversion information. [0003] The domain name resolution method that adopts usually at present is as follows: 1) client sends domain name resolution request to DNS server; 2) DNS server resolves domain name; 3) DNS server returns resolution result to client; Select an IP address to access. [0004] At present, the process of domain name resolution needs to call the Windows application layer API (Application Programming Interface, Application Programming Interface), which not only allows norm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06
Inventor 李钊董斌雁
Owner 三六零数字安全科技集团有限公司
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