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Devices for implementing anti-spurious IP address on AN and methods therefor

An IP address and MAC address technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve the problems of IP address security threats that deceive users, and achieve the effect of safe multimedia service operations

Inactive Publication Date: 2011-04-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a device and method for implementing IP address anti-spoofing on the AN, so as to solve the problem of maliciously deceiving users if the DHCP dynamic host automatic configuration protocol is used in the IPoE access mode. Security Threats to IP Addresses

Method used

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  • Devices for implementing anti-spurious IP address on AN and methods therefor
  • Devices for implementing anti-spurious IP address on AN and methods therefor
  • Devices for implementing anti-spurious IP address on AN and methods therefor

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Embodiment Construction

[0040] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0041] Such as figure 1As shown in , it shows the basic structure of the access network in IPoE mode, including:

[0042] Customer premises network family network101. The customer premises network includes a CPE (Customer Premise Equipment, customer premises equipment) and several terminals, such as PC or STB (set-top box, digital video decoder / receiver). One or more DHCP Clients (dynamic host configuration protocol Clients, dynamic host configuration protocol clients) exist in the customer premises network 101 . If the CPE is in routing mode, then the CPE acts as a DHCP Client to apply for various network configurations. If the CPE is in bridge mode, terminals such as PCs or STBs independently act as DHCP clients to apply for their own configurations.

[0043] The access node AN (Access N...

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Abstract

The invention discloses a device for realizing IP address cheating-proof on AN and a relative method, wherein the method comprises that AN according to the character of DHCP protocol report extracts a DHCP protocol report from received reports, and confirms the relative user port information, AN detects the DHCP protocol report to obtain the setting information distributed for user host, comprising an IP address and a relative lease period, bonds the IP address and the relative user port information, and combines the lease information and following received reports, to maintain obtained user setting information, AN according to the user setting information filters received ascending report, and when the user IP address and port information in the report are not bonded, thinking the reportas illegal one. The invention can resolve IP address cheating-proof problem of malicious user, when uses DHCP dynamic host to automatically set protocol at IPoE access mode.

Description

technical field [0001] The invention relates to multimedia service operation, and provides a device and method for realizing IP address anti-spoofing on an AN (Access Node, access node). Background technique [0002] With the application of more and more new multimedia services such as IPTV, IPoE (IP over Ethernet) has gradually become an important user access method. Unlike data services, many people who are oriented to multimedia services do not know much about computers. What they need is a 'dumb' terminal that can be used with or without configuration. Therefore, in the IPoE mode, in order to reduce the configuration workload of the user, DHCP (dynamic host configuration protocol, dynamic host configuration protocol) has become the most common automatic configuration tool for the user terminal. [0003] DHCP was originally designed on IP networks with little regard for security. In the access network, if security is not considered, a malicious user can use the IP addr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L12/24H04L9/32H04L12/26H04L29/12
Inventor 张鹏
Owner ZTE CORP
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