Security in area networks

A technology of regional network and security device, applied in the direction of security device, network topology, network interconnection, etc., can solve the problems of not having built-in security, interfering with access network, etc., and achieve the effect of improving control and monitoring and simple technical solution

Inactive Publication Date: 2004-11-10
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ARP does not have any built-in security and can be used by customers arbitrarily, which will provide opportunities for malicious customers to interfere with the operation of the access network

Method used

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  • Security in area networks
  • Security in area networks
  • Security in area networks

Examples

Experimental program
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Embodiment Construction

[0048] figure 1 with 2 A part 1 of a typical WLAN is shown. The WLAN includes multiple access point devices 20, and each of the access point devices 20 has a coverage area 21, which can send / receive transmissions to / from one or more client devices on the coverage area 21 25 (e.g. laptop) transmission. There is overlap between adjacent coverage areas 21, and the local area network is configured such that a client device 25 can roam and move to the adjacent coverage area 21 without disconnecting from the local area network.

[0049] The aforementioned access point devices 20 are all connected to a public transmission line 30. The access controller 40 designed to control access to the network is connected to the transmission line 30 at a plurality of positions in the length direction of the transmission line 30. The access controller 40 mainly acts as a gateway to other parts of the local area network (not shown) by sending / receiving transmissions to / from the client device 25 along...

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PUM

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Abstract

The present invention provides an access point device arranged to receive data packets from one or more client devices and transmit them along an area network characterised wherein the access point device comprises security means arranged to configure the client data packets such that they are directed only to one or more permitted area network device(s).

Description

Technical field [0001] The invention relates to the field of computer networks, in particular to the field of local area networks. Background technique [0002] A computer network can be defined as a group of two or more computer systems linked to each other. In this definition, computer system refers to all working computers, including not only computers, but also any software or peripheral equipment required to realize computer functions. For example, every computer system requires an operating system, and printing devices are usually required to provide hard copies of computerized information. [0003] Computer networks can be classified in many ways, such as topology (geometric arrangement of devices in the network, such as bus, star, ring), media (devices connecting devices, such as coaxial / optical cables or radio waves), protocol (sending data The common rule set, such as Ethernet) or architecture (peer-to-peer or client / server). The protocol can also determine whether the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L9/32H04L12/18H04L12/22H04L12/24H04L12/28H04L12/46H04L12/56H04L29/06H04L29/12
CPCH04W88/08H04L61/35H04L12/2898H04L63/0227H04L29/12783H04L61/10H04W12/08H04L63/104H04L12/18H04L29/12018H04L63/102H04L63/0435H04W84/12H04L63/0236H04W12/088
Inventor 乔纳森·埃德内伊亨利·哈维利宁
Owner NOKIA CORP
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