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Method, system for finding AP (access point) with hidden SSID (service set identifier) and terminal device

A terminal device and terminal technology, applied in the Internet field, can solve problems such as inability to accurately adjust channels, inability to monitor illegal APs and malicious attackers, and inability to analyze hotspot throughput, so as to improve system security and avoid interference.

Inactive Publication Date: 2011-11-02
融创天下(上海)科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to propose a method, system and terminal device for finding APs with hidden SSIDs, aiming at solving the problem that in the prior art, only the signal coverage area, signal-to-noise ratio and connection rate can be identified, and the hidden SSID numbers cannot be scanned. The AP cannot detect illegal APs and malicious attackers, nor can it analyze the throughput of hotspots on a certain channel, and cannot accurately adjust channels and adjust the technical problems of AP layout.

Method used

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  • Method, system for finding AP (access point) with hidden SSID (service set identifier) and terminal device
  • Method, system for finding AP (access point) with hidden SSID (service set identifier) and terminal device

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Embodiment 1

[0024] figure 1 A flow chart of a method for finding an AP with a hidden SSID in an embodiment of the present invention. Described method comprises the following steps:

[0025] S101, scan the current non-hidden SSID AP, the current non-hidden SSID AP and its AP parameters to generate an AP details table, the AP parameters include: the MAC address and SSID of the AP;

[0026] S102, collecting frame data, specifically: using packet capture software to capture the data of mutual communication between the AP and the WiFi terminal;

[0027] S103, analyzing the MAC address of the frame data, and calculating the MAC address of the AP;

[0028] The MAC address of the non-AP is the MAC address of the terminal device connected to the AP;

[0029] According to the 802.11 frame control protocol, the MAC address of the AP is determined by excluding the MAC address of the non-AP;

[0030] S104. Determine whether the SSID corresponding to the MAC address of the AP is hidden according to...

Embodiment 2

[0043] figure 2 It is a schematic structural diagram of a system for finding APs with hidden SSIDs according to an embodiment of the present invention.

[0044] The system includes: a scanning module, an acquisition module, an analysis module and a judgment module;

[0045] The scanning module is connected with the parsing module, and is used to scan the AP of the current non-hidden SSID, and the AP of the current non-hidden SSID and its AP parameters generate an AP details table, and the AP parameters include: the MAC address of the AP, the channel, SSID;

[0046] The collection module is connected with the parsing module for collecting frame data;

[0047] The analysis module is connected with the scanning module, the collection module and the judgment module, and is used to analyze the MAC address of the collected frame data and calculate the MAC address of the AP;

[0048] The MAC address of the non-AP is the MAC address of the terminal device connected to the AP;

[00...

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Abstract

The invention discloses a method and system for finding an AP (access point) with a hidden SSID (service set identifier) and a terminal device. The method for finding the AP with the hidden SSID comprises the following steps of: generating an AP detail table through scanning the current AP with a non-hidden SSID and AP parameters thereof; calculating an MAC (media access control) address of the AP by analyzing collected frame data; and comparing the MAC address of the AP with the MAC address in the AP detail table. If the MAC address of the AP is different with the MAC address in the AP detail table, the SSID corresponding to the MAC address of the AP is hidden. When the AP with the hidden SSID is found, non-hidden network parameters of the AP need to be adjusted to improve system security. A frequency channel and the SSID of the AP with the hidden SSID are analyzed through the AP detail table, the non-hidden frequency channel and the SSID of the AP are adjusted to avoid being disturbed, and a WiFi (wireless fidelity) terminal is avoided to be connected to an illegal AP with the hidden SSID information.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a method, a system and a terminal device for finding an AP with a hidden SSID. Background technique [0002] Two WiFi (wireless fidelity, wireless compatibility certification) terminals can communicate directly in Ad-Hoc mode, or communicate under the coordination of AP (Access Point, wireless access node, session point or access bridge), The terminal and AP form a local area network based on the WiFi communication mechanism. [0003] With the vigorous development of 3G, the network bandwidth has been greatly improved. In order to expand the number of users, telecom operators have launched their own WiFi hotspots (high-power APs with routing functions). How to allocate WiFi channel resources and monitor network throughput , network topology analysis, and the shielding of illegal users have become difficulties in hotspot management. At present, WiFi testers can only identify...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/00H04W48/16
Inventor 黄守旺
Owner 融创天下(上海)科技发展有限公司
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