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False-AP detecting and blocking method, wireless device and router

A wireless device and pseudo access point technology, applied in the field of wireless network applications, can solve the problems of obtaining user privacy information, hacker fraud, etc.

Inactive Publication Date: 2016-06-08
ZHUHAI NETBOX INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for detecting and blocking a fake AP, a wireless device and a router, and solves the technical problem in the prior art that hackers can easily cheat through fake APs and obtain user privacy information

Method used

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  • False-AP detecting and blocking method, wireless device and router
  • False-AP detecting and blocking method, wireless device and router
  • False-AP detecting and blocking method, wireless device and router

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Embodiment Construction

[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Such as figure 1 As shown, it is a schematic diagram of the minimum network topology of the wireless local area network provided in the embodiment of the present invention, including two 802.11 wireless access points (real access point AP1, fake access point AP2) and several terminals STA1, STA2, ... STAn In order to combine the specific operation of AP1, a method for detecting and blocking a false AP in the embodiment of the present invention will be introduced in detail below, such as figure 2 shown, including:

[0030] Step 201, broadcast and send the Beacon message;

[0031] Wherein, the Beacon message carries the SSID and an encrypted field of its own access point; the Beacon message is broadcast and sent at regular...

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Abstract

The invention relates to the field of wireless network application and discloses a false-AP detecting and blocking method, a wireless device and a router. By broadcasting a Beacon message carrying a specific encrypted field and receiving Beacon messages broadcast by peripheral APs, whether SSIDs carried in the received Beacon messages are identical with an SSID of a self AP or not is judged; when the SSIDs carried in the received Beacon messages are identical with the SSID of the self AP, whether the encrypted field is carried in the Beacon messages or not is judged, it is detected that the AP sending the corresponding Beacon message is a false AP when the encrypted field does not exist in the corresponding Beacon message, and a De-Authentication message for canceling identity authentication is sent to a client side to block connection between the client side and the false AP. The false AP is effectively identified, and the client side is blocked and protected against the risk that personal information is stolen due to the fact that the client side is connected with the false AP.

Description

technical field [0001] The invention relates to the field of wireless network applications, in particular to a false AP detection and blocking method, a wireless device and a router. Background technique [0002] In the existing 802.11 wireless network system, WIFIAP (referred to as access point) devices or router devices will send Beacon data packets to allow wireless WIFI terminals (referred to as terminals) to automatically discover access points, so that the terminals can connect to the access point. If the SSID names of two access points are the same, the terminal cannot distinguish the access points. At present, hackers often use this method to establish a fake access point to confuse the terminal. Once the terminal accesses the fake access point, the hacker will obtain user information, threatening the user's privacy and personal property. Contents of the invention [0003] The invention provides a method for detecting and blocking a false AP, a wireless device an...

Claims

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Application Information

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IPC IPC(8): H04W12/12H04W12/122
CPCH04W12/12
Inventor 马君
Owner ZHUHAI NETBOX INFORMATION TECH
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