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Method for realizing DNS data isolation of multiple Internet access channels

A technology of data isolation and DNS server, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., and can solve problems such as difficult management and impossibility of operator application

Pending Publication Date: 2021-11-09
芯河半导体科技(无锡)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide a method for realizing the isolation of DNS data of multiple Internet access channels, so as to solve the problem that when the home gateway is configured with multiple Internet access channels, the multiple LAN ports of the home gateway are respectively bound to different Internet access routing WAN connections. When the connected device accesses the external network, the domain name resolution is forwarded from the DNS of the default Internet access route WAN, which makes it impossible for the operator to implement some specific business scenarios and is not easy to manage.

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  • Method for realizing DNS data isolation of multiple Internet access channels
  • Method for realizing DNS data isolation of multiple Internet access channels
  • Method for realizing DNS data isolation of multiple Internet access channels

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Embodiment Construction

[0031] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0032] see Figure 1-3 , a method for realizing DNS data isolation of multiple Internet access channels, the method comprises the following steps:

[0033] Steps S100-S104: Power on the home gateway, initialize the configuration file according to the configuration information of the device, and then start the DNSMASQ service. The DNSMASQ service reads the configuration file, retrieves the information of the configuration file and records the relevant information to the data storage linked list.

[0034] Specifically, the configuration file stores the IP address of the device connected to the LAN side of the home gateway and the DNS server address corresponding to the port on the LAN side bound to the Internet routing WAN. Therefore, the DNSMASQ service data link table stores the corresponding relationship between the IP address of the device conne...

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Abstract

The invention discloses a method for realizing DNS (Domain Name Server) data isolation of a plurality of Internet access channels. The method comprises the following steps: recording an IP (Internet Protocol) address of under-hanging equipment and a DNS address bound to an Internet access routing WAN (Wide Area Network) to a configuration file, and receiving a DNS request of the under-hanging equipment by a gateway; sending a DNS domain name resolution request message to a DNSMASQ service of the device by the lower device; and enabling the DNSMASQ service to look up a corresponding DNS server address in the data storage chain table according to the IP address of the under-hanging device, so that the DNS request of the under-hanging device on the LAN side is forwarded from the DNS server of the bound Internet route WAN. According to the invention, based on the existing DNSMASQ service, the DNSMASQ service is convenient to read and easy to maintain in the form of recording the configuration file; and the DNS data isolation of different Internet access channels is realized, and the application and implementation of an operator in some specific business scenes can be met.

Description

technical field [0001] The invention relates to the field of DNS data management, in particular to a method for realizing the isolation of DNS data of multiple Internet access channels. Background technique [0002] DNS (Domain Name System, Domain Name System) is a service of the Internet. As a distributed database that maps domain names and IP addresses to each other, it can make it easier for people to access the Internet. [0003] DNSMASQ is a lightweight and easy-to-use DNS service tool. It can be used for IP address NAT conversion when connecting to the intranet and the Internet, and can also be used as DNS service for small networks. [0004] Use DNSMASQ to implement the DNS service for devices connected to the home gateway to access the Internet. The process is: the device connected to the home gateway sends a DNS domain name resolution request message to the DNSMASQ service of the home gateway, and the DNSMASQ service of the home gateway receives the message from th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06H04L12/741H04L45/74
CPCH04L61/2553H04L61/2575H04L63/0236H04L45/745H04L61/4511
Inventor 王晓明
Owner 芯河半导体科技(无锡)有限公司
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