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Authentication method and device applied to WLAN (Wireless Local Area Network)

A verification method and a technology of a verification unit, which are applied in the field of network communication, can solve problems affecting network security, and achieve the effect of ensuring network security

Active Publication Date: 2014-02-26
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the verification is passed, different stations use the same IP address to communicate, which affects network security issues

Method used

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  • Authentication method and device applied to WLAN (Wireless Local Area Network)
  • Authentication method and device applied to WLAN (Wireless Local Area Network)
  • Authentication method and device applied to WLAN (Wireless Local Area Network)

Examples

Experimental program
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Embodiment 1

[0047] see figure 2 , figure 2 The basic flowchart provided for Embodiment 1 of the present invention. Such as figure 2 As shown, the process may include the following steps:

[0048] In step 201, the access device learns the assigned IP address of the client station.

[0049] Step 202, the access device synchronizes the learned IP address to the management device used to manage the access device, and receives a confirmation result from the management device as to whether the IP address has been used by other stations.

[0050] As for how the management device confirms whether the synchronized IP address has been used by another station belonging to the same link as the client, it will be described below.

[0051] Step 203, the access device verifies the data packet sent by the client by using the confirmed IP address, where the confirmed IP address refers to the IP address whose confirmation result is no.

[0052] It should be noted that the verification in step 203 i...

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Abstract

A verification method or apparatus applied in a Wireless Local Area Network (WLAN) includes learning an Internet Protocol (IP) address assigned to a station; sending the IP address to a managing device that is managing the access device and receiving, from the managing device, a determination of whether the IP address is used by another station; and verifying a data packet sent by the station by using an IP address that is not used by another station as reported by the managing device.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a verification method and device applied in WLAN. Background technique [0002] Wireless Local Area Network (WLAN: Wireless Local Area Network) technology is a research hotspot in the field of network communication technology. Compared with wired networks, it has the advantages of relatively simple startup and implementation, and low maintenance costs. Using WLAN, network operators and enterprises can provide wireless local area network services for wireless users. The service content mainly includes: [0003] (1) Establish a wireless network for devices with wireless local area network functions, through which wireless users can connect to fixed networks or the Internet; [0004] (2), access to traditional 802.3 LAN; [0005] (3), use different authentication and encryption methods to access WLAN safely, and use 802.11i mechanism to encrypt at the MAC layer to pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/12H04W12/08
CPCH04L63/126H04W12/08
Inventor 王飓汪昊林涛
Owner NEW H3C TECH CO LTD
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