Safety defending installation and system of anti-attack information communication network
A security defense and information communication technology, applied in the field of anti-attack information communication network security defense devices and defense systems, can solve the problems of physical address forgery attack, physical address flooding attack, physical address forgery, etc., and achieves high practicability, The effect of solving address resolution protocol flooding attacks and resolving IP conflicts
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Embodiment 1
[0045] Embodiment 1. In this embodiment, the defense device 100 takes a switch as an example. When the defense module 102 is an encryption module, the switch control module 104 is turned on so that the encryption module is in the working state. The defense method in the anti-attack information communication network security defense system, the flow chart of this method can be referred to in Figure 4:
[0046] In the first step, the user first writes the physical address corresponding to the IP of the correct terminal device into the ARP agent part 301, and runs the ARP agent part 301;
[0047] In the second step, when all terminal devices are initially connected to the network, they will unilaterally send an address resolution protocol announcement broadcast packet to the designated port of the switch 100 in the network.
[0048] In the third step, the switch 100 detects the broadcast data packet in the entrance of the switch port, and when it is found that it is an address re...
Embodiment 2
[0060] Embodiment 2. The defense device 100 takes the switch 100 as an example in this embodiment. When the defense module 102 is a reporting module, turn on the switch control module 104 so that the reporting module is a state-switching bridging device in the working state. For the defense method in the anti-attack information communication network security defense system, the flow chart of the method can be referred to in Figure 5:
[0061] In the first step, the user first writes the physical address corresponding to the IP of the correct terminal device into the ARP agent part 301, and runs the ARP agent part 301;
[0062] In the second step, when all end devices are initially connected to the network, they will send an address resolution protocol announcement broadcast packet to the intranet.
[0063] The 3rd step, switch 100 detects the broadcast packet in the entrance of switching port, when finding to be address resolution protocol request message, address resolution p...
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