A method of private network user access the server in a private network through domain name

A domain name access and server technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve problems such as poor user operability, attacks, and inability to access servers in private networks

Inactive Publication Date: 2007-10-24
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if internal users need to access private network servers through domain names, the enterprise also needs to set up DNS domain name servers internally. Otherwise, internal users cannot access private network servers through unified domain names like Internet users, but can only use private network IP addresses. access, which brings a lot of inconvenience to the access of internal users
Setting up the DNS domain name server in the enterprise not only needs to consider the cost facto...

Method used

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  • A method of private network user access the server in a private network through domain name
  • A method of private network user access the server in a private network through domain name
  • A method of private network user access the server in a private network through domain name

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Realize the network structure of the present invention as shown in Figure 1, in this embodiment, what the equipment that connects private network and public network uses router R, certainly those skilled in the art can understand that use other three-layer equipment such as three-layer switch also This function can be realized. In this embodiment, the enterprise includes at least the following devices: host PC, server SERVER in the private network, switch and router R, and the domain name server is on the Internet outside the enterprise. The internal host PC and the server SERVER in the private network are connected to the interface 1 of the router R through equipment (a switch is adopted in this embodiment), and the interface 2 of the router R is connected to the external Internet and can access the domain name server. The main functions applied on the router ...

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Abstract

The disclosed method of visiting private server for user in private network comprises: 1. starting at least the loop interface and address conversion on the device connecting private and public networks, and setting static address conversion for the private server; 2. when recieivng user message from private network, deciding whether the objective IP address is the public IP address relative in private network, yes to step 3, or lese end; and 3. sending message to the loop interface to transmit the message toward private network till the server. This invention makes user in private network eliminate setting DNS server to visit private server.

Description

technical field [0001] The invention relates to a method for accessing a server in a private network, in particular to a method for a user in the private network to access the server in the private network through a domain name. Background technique [0002] Domain Name Server (Domain Name Server, hereinafter referred to as DNS) is a vital part of the Internet. Because computers on the Internet only know IP addresses, but it is very difficult for ordinary people to record a long list of IP addresses, and it is relatively simple to record domain names, so DNS resolution that provides conversion of domain names into IP addresses is set up. [0003] If the external network user wants to access the server in the private network, since there is no public IP in the private network that can be used on the Internet, the domain name entered by the user must be resolved through the DNS server placed on the public network. The address of the corresponding server (public network IP add...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L29/10H04L29/12
Inventor 孙勇郑轶桂小华
Owner ZTE CORP
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