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Method for securing special line user access network

A user and private line technology, applied in the network field, can solve the problems of heavy configuration workload, difficult management, easy to steal IP addresses, etc., to avoid the effect of stealing

Active Publication Date: 2010-01-06
北京知方知识产权管理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is: to overcome the problems of difficult management, heavy configuration workload and easy theft of IP addresses existing in the prior art using the static IP address binding function, and to provide a method for guaranteeing access to the Internet for leased line users, simplifying Configuration, easy management, and increased IP address security

Method used

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  • Method for securing special line user access network
  • Method for securing special line user access network
  • Method for securing special line user access network

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Embodiment Construction

[0032] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0033] Many options are defined in the DHCP protocol, one of which is Option82, such as figure 1 As shown, two sub-options, Circuit ID Sub-option (ie CID) and Remote ID Sub-option (ie RID), are defined, where:

[0034] CID is the link identifier, which is generally used to identify the user's access location information (local information);

[0035] The RID is a remote identifier, which is generally used to identify attribute information (global information) of a device.

[0036] The general process of the DHCP protocol is as follows: figure 2 As shown, a DHCP Discovery (probing) message sent by the user indicates the beginning of a user dynamically obtaining an address, and a DHCPACK (response) message returned by the server indicates the end of a successful address acquisition.

[0037] The access device (such as DSLAM) of the present invention captu...

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PUM

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Abstract

The present invention relates to method for ensuring individual line subscriber accessing network. It contains pre-configuring DHCP option information to DHCP option supported DHCP server; user side transmitted DHCP message through access equipment and added with DHCP option information, then sent to DHCP server; DHCP server according to received DHCP message option information searching compatible configuring information, feeding back corresponded configuring information to access equipment through responses message, back filling said option information to responses message; access equipment learning user's configuring information through said responses message, and utilizing said configuring information to generate dynamical binding relation to user terminal. The present invention overcomes current technology used static IP address binding function problem such as management difficulty, large configuration work load, and IP address easy illegal use; capable of simplifying configuration, convenient management and increasing IP address security.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a method for ensuring dedicated line users to access the Internet. Background technique [0002] Dynamic Host Configuration Protocol (DHCP) is the most commonly used protocol for controlling Internet access. The protocol itself is mature and simple, and existing computer operating systems such as Windows and Unix support this protocol. Using this protocol, users do not need to care about themselves What is the IP address? Every time you go online, you only need to use this protocol to dynamically obtain an address from the address pool on a specific DHCP server, and then you can go online without any additional configuration or installation of additional dial-up tools. For network managers and general It is very simple for users. [0003] But for some dedicated line users, the user may prefer to use a fixed address for a period of time, such as the user wants to open various se...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/12H04L12/56H04L12/28
CPCH04L29/1282H04L12/2856H04L61/2015H04L61/6013H04L61/59H04L61/5014
Inventor 施汝军
Owner 北京知方知识产权管理有限公司
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