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Dynamic tunnel construction method for safety access special LAN and apparatus therefor

A secure access and LAN technology, applied in the field of dynamic tunnel construction, can solve the problems of secure tunnel access to private LAN, opaque tunnel to users, etc., and achieve easy-to-use effect

Active Publication Date: 2007-04-18
ALCATEL LUCENT SHANGHAI BELL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The main disadvantage of the local access method is that the tunnel is opaque to the user, that is, when establishing a secure communication tunnel to access a private LAN from an external network, the user needs to provide the corresponding IP address of the access server of the private LAN
However, in some cases, the equipment used by users to access the private LAN may be very simple in both hardware and software. If such software is not installed or cannot be installed, the private LAN cannot be accessed through a secure tunnel.

Method used

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  • Dynamic tunnel construction method for safety access special LAN and apparatus therefor
  • Dynamic tunnel construction method for safety access special LAN and apparatus therefor
  • Dynamic tunnel construction method for safety access special LAN and apparatus therefor

Examples

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Embodiment 1

[0042] Fig. 2 is the architecture of the dynamic tunnel construction method according to the first embodiment of the present invention. Let us now assume such a scenario, a user belongs to the legal user of the private LAN A where the company is located. Due to a business trip or other reasons, the user goes to another place, and he wants to access the private LAN A where the company is located to obtain some necessary information, then How to access private LAN A safely? This requires the dynamic tunnel construction method of the present invention to establish a secure communication tunnel between the source host of the external network and the destination host of the private local area network, and the source host accesses the destination host through the secure communication tunnel. As shown in Figure 2, it is the architecture of the dynamic tunnel construction method, wherein, a tunnel server is set on the only way for the source host in the external network to send and re...

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Abstract

The invention advances a dynamic tunnel constructing method and device for safety access to private LAN. And the method arranges source tunnel server on a router where a source host computer need pass to receive and transmit IP data packets, arranges destination tunnel server on the other router where a destination host computer need pass to receive and tranmsmit IP data packets, and automatically constructs a safety communication tunnel between the two servers without manual tunnel configuration and providing corresponding IP address for private LAN to access server; and afer communication is completed, it can destroy the communication tunnel.

Description

technical field [0001] The invention relates to the safe access of private local area network, in particular to a dynamic tunnel construction method for safe access to private local area network and a device used in the method. Background technique [0002] In the future IPv6 environment, with the great abundance of IP address resources and the intelligence and networking of various electronic devices, each device in a private LAN (such as an enterprise internal network, home network, etc.) can have an independent IP address. Addresses, through the IP addresses of these devices or their corresponding domain names, can address the corresponding devices from the external network. This makes it technically possible to remotely access and control devices in a private LAN through the Internet; and with the development of applications and services, remote access and control of devices in a private LAN will gradually become an urgent need for users. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H04L12/56H04L9/32
CPCH04L63/029H04L63/0428H04L63/08
Inventor 张青山宾梵翔鄢仁祥温海波
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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