Method for detecting and avoiding network attack for mobile terminal
A network attack and mobile terminal technology, applied in the field of communication, can solve problems such as reducing power consumption
Active Publication Date: 2012-11-14
南京中兴物联科技有限公司
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[0005] Another object of the present invention is to provide a method for mobile terminals to detect and avoid network attacks, avoiding network attacks through technologies such as automatic network disconnection or intelligent network disconnection, which solves the problem that mobile terminals cannot enter dormancy after receiving malicious data packets, and reduces the power consumption
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[0027] The core idea of the present invention: by establishing a lightweight intrusion event detection module at the bottom layer and an intrusion event processing module corresponding to it at the upper layer, the intrusion event detection module uses the extended netfilter module to detect each intrusion event in real time and trigger Filter the rule set and notify the intrusion event processing module of the intrusion information set in time to protect the user's mobile terminal from attacks, especially suitable for embedded systems with limited resources such as mobile terminals. At the same time, the intrusion processing module adopts methods such as intelligent network disconnection and automatic network disconnection, which can effectively avoid network attacks and reduce the number of times the mobile terminal is awakened during sleep.
[0028] In order to make the object, technical solution and advantages of the present invention more clear, the present invention wil...
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The invention provides a method for detecting and avoiding the network attack for a mobile terminal, which comprises the following steps of: a) establishing an invasion event detection module on a system bottom layer, and correspondingly establishing an invasion event processing module on a system upper layer; b) filtering a received data packet, detecting an invasion event, and transferring an invasion information set to the invasion event processing module; and c) judging the received invasion information set by the invasion event processing module to carry out intelligent network cutoff or automatic network cutoff processing. According to the method for detecting and avoiding the network attack for the mobile terminal, which is disclosed by the invention, the lightweight invasion event detection module is established on the bottom layer, and the invasion event processing module is correspondingly established on the upper layer; the data packet transmitted by the mobile terminal network is filtered, the network attack borne on the mobile terminal is detected and classified in real time, the operations of intelligent network cutoff or automatic network cutoff can be carried out so as to avoid hostile attack, a user is reminded in real time, a frequent awakening problem due to the fact that the mobile terminal receives a hostile data packet is solved, and the user satisfaction degree and the competitiveness of a network firewall product can be improved.
Description
technical field [0001] The invention relates to the field of communication technology, in particular to a method for detecting and avoiding network attacks by a mobile terminal. Background technique [0002] Existing mobile terminals generally use the tcp / ip protocol to transmit data services. In fact, the network security of mobile terminals is fragile, and they are easily attacked by malicious codes and malicious data packets. For example, when receiving When a malicious data packet is received, the mobile terminal will be awakened from the dormant state, thereby increasing power consumption. If the malicious attack continues, the mobile terminal will not be able to enter the dormant state. [0003] Chinese patent application No. CN200910091623.3 discloses a method and device for implementing a mobile terminal firewall, which mainly uses geographical location information to intelligently determine the firewall strategy, and mainly filters when receiving text messages or in...
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IPC IPC(8): H04L29/06H04W12/00H04W52/02H04W76/06H04W12/088
CPCY02D30/70
Inventor 申世安姜顺豹
Owner 南京中兴物联科技有限公司