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Method, device and system for preventing fraudulent use of IP address

An IP address and MAC address technology, applied in the network field, can solve problems such as IP address fraud, and achieve the effect of preventing IP address fraud, avoiding the problem of IP address fraud, and saving IP address resources.

Active Publication Date: 2016-01-27
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The present invention provides a method, device and system for preventing fraudulent use of IP addresses to solve the problem of fraudulent use of IP addresses in the prior art

Method used

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  • Method, device and system for preventing fraudulent use of IP address
  • Method, device and system for preventing fraudulent use of IP address
  • Method, device and system for preventing fraudulent use of IP address

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Embodiment Construction

[0073] The method, system and device for preventing IP address spoofing provided by the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0074] It should be noted that, in the embodiment of the present invention, the user terminal acquires an IP address in a DHCP (DynamicHostConfigurationProtocol, Dynamic Host Configuration Protocol) manner, that is, dhcpsnooping and ipsourseguard are enabled on the access device (such as an access switch) connected to the user terminal. The application scenario of the embodiment of the present invention is that after the user enters the user name and password on the user terminal, after the authentication server on the network side passes the authentication, and the user terminal can access the Internet normally, the network side of the embodiment of the present invention includes: a convergence gateway, a core device, Access switches, authentication servers, DHCP servers, ...

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Abstract

The invention provides a method, a device and a system for preventing fraudulent use of an IP address. The method comprises the steps of: updating basic information of a user terminal stored in advance when determining that a release message sent by the user terminal is received, wherein the basic information includes a media access control MAC address and an internet protocol IP address allocation state of the user terminal; and authenticating the user terminal according to the MAC address and the IP address allocation state of the user terminal. The method, the device and the system can avoid the occurrence of fraudulent use of the IP address.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a method, device and system for preventing fraudulent use of IP addresses. Background technique [0002] The gateway authentication billing system authenticates the user and starts billing process as follows: [0003] Step 1, the user obtains an IP (Internet Protocol, Internet Protocol) address from a DHCP server through a Dynamic Host Configuration Protocol (DynamicHostConfigurationProtocol, DHCP); [0004] Step 2, the user opens a browser, such as IE. Enter the URL to visit, such as www.baidu.com.cn; [0005] Step 3, the http message carrying the user's IP address is routed to the authentication and accounting gateway, and is intercepted by the authentication and accounting gateway. [0006] Step 4, the authentication and accounting gateway redirects the http page to the user, and the redirection address is the web authentication login interface of the eportal server; [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06
CPCH04L63/0876H04L61/5053H04L61/5014
Inventor 杨敬民
Owner BEIJING XINWANG RUIJIE NETWORK TECH CO LTD