DNS (domain name server) relay method and device

A DNS server and IP address technology, applied in electrical components, transmission systems, etc., can solve the problems of reduced network management efficiency, heavy workload, and heavy configuration tasks, so as to improve network management efficiency, reduce workload, and reduce network overhead Effect

Inactive Publication Date: 2012-11-28
北京神州数码云科信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When configuring the DNS server, you also need to configure the default gateway. For the situation where there are large-scale users in the network topology, the configuration task will be very heavy and the workload will be heavy, which will greatly reduce the efficiency of network management.

Method used

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  • DNS (domain name server) relay method and device
  • DNS (domain name server) relay method and device
  • DNS (domain name server) relay method and device

Examples

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Embodiment Construction

[0024] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0025] figure 1 It is a flowchart of a DNS relay method provided by an embodiment of the present invention, and the method includes:

[0026] S101. Receive a DNS request from a client.

[0027] The gateway receives the DNS request from the client, and the IP address of the DNS server of the client is preset as its uplinked gateway IP address.

[0028] S102. Record the domain name and client information in the DNS request.

[0029] The DNS request includes, but is not limited to: domain name and client information. The client information includes but not limited to: client name, client device identification number and physical address.

[0030] The gateway can also cache the client information when receiving the DNS request from the client; the number of cached client information is also limited ...

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PUM

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Abstract

The invention discloses a DNS (domain name server) relay method and device. The DNS relay method comprises the following steps of: receiving a DNS request of a user side; recording a domain name and user side information in the DNS request; transmitting the DNS request to a DNS server; receiving an IP (internet protocol) address returned from the DNS server; and returning the IP address to the user side according to the recorded domain name and user side information, wherein the IP address of the DNS server is pre-set in the local. According to the DNS relay method and device, an access gateway of the user side serves as a DNS service device simultaneously, so that the workload for configuring the DNS server is greatly reduced in network topology of large-scale terminal users, and the efficiency of network management is improved; and by virtue of a set user and domain name caching mechanism, network overhead can be effectively reduced, and the communication pressure of gateway equipment can be effectively relieved.

Description

technical field [0001] The invention relates to the technical field of computer network communication, in particular to a DNS relay method and device. Background technique [0002] The Domain Name System (DNS) is a distributed database for TCP / IP applications that provides translation between domain names and IPv4 / IPv6 addresses. Through the domain name system, users can directly use easy-to-remember and meaningful domain names when performing certain applications, and the domain name resolution servers in the network will resolve them to correct IPv4 / IPv6 addresses. [0003] Generally, a user terminal needs to configure a DNS server specially used for domain name resolution when performing network configuration. When configuring the DNS server, you also need to configure the default gateway. For the situation where there are large-scale users in the network topology, this configuration task will be very heavy and the workload will be heavy, which will greatly reduce the ef...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 张少太
Owner 北京神州数码云科信息技术有限公司
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