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Method for realizing mobile IPv6 message crossing firewall

An implementation method and firewall technology, applied in the field of network communication, can solve the problems of unsupported, unrealized, unapplied MIPv6, etc.

Inactive Publication Date: 2006-09-27
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0008] The second mode is routing optimization, which requires the mobile node to bind the current care-of address to the corresponding end
Obviously, this requirement cannot be realized in some specific scenarios
[0031] In addition, this method is designed for MIPv4, and its core technology SKIP does not yet support IPv6, so this technology cannot be applied to MIPv6

Method used

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  • Method for realizing mobile IPv6 message crossing firewall
  • Method for realizing mobile IPv6 message crossing firewall
  • Method for realizing mobile IPv6 message crossing firewall

Examples

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Embodiment Construction

[0066] The core of the present invention is: firstly, adding an IPv6 extension header in the mobile IPv6 message to carry home address destination address option or type 2 routing header information; after that, the firewall will visit each IPv6 extension header one by one when filtering data packets; header, when it accesses the type 2 routing header or home address destination address option, it uses the home address in the extension header instead of the care-of address in the IPv6 header to create filtering information, so that the care-of address is no longer used to identify communications and does not appear in In filtering information, the already connected communication will not be rejected by the firewall as a new connection due to the change of the care-of address.

[0067] In order to have a further understanding of the present invention, the existing mobile IPv6 application environment will be described below.

[0068] According to the different positions of firew...

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Abstract

The related implementation method to cross firewall by mobile IPv6 message comprises: the firewall receives the mobile IPv6 message that initiates the communication to acquire the IPv6 header and filter information and accordingly build opposite filter rule information; then, the firewall filters coming the IPv6 message.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for realizing mobile IPv6 message passing through a firewall. Background technique [0002] Entering the 21st century, the Internet (Internet) will not only provide existing data services and multimedia audio and video services, but also realize the functions of the mobile Internet and provide mobile users with wireless Internet access services. Mobile IPv6 realizes the mobility of the host in the IPv6 network, and it keeps the node reachable when it moves in the IPv6 network. [0003] In a mobile IP network, no matter whether the mobile node is connected to the home link or not, its home address can always be set. The home address is an IP address within the prefix range of the home subnet assigned to the node. [0004] When the mobile node is in the home network, the message sent to the home address will be routed to the home link, and will be routed to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06
CPCH04W80/04H04L63/029
Inventor 张宏科张思东杨申苏伟任彦郑祖周秦亚娟郜帅王江林刘颖苗福友
Owner GLOBAL INNOVATION AGGREGATORS LLC
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