Local area network IP address abuse detection device and method

Abstract

The invention discloses a local area network IP address abuse detection device and method, and the device comprises a plurality of external network ports, a display screen, a function key, a warning lamp, a control circuit board, and a loudspeaker. The output ends of the function key and the plurality of external network ports are connected with the input end of the control circuit board; comprising the following steps: step 1, detecting a device network port to access a local area network switch mirror port for the first time; 2, storing the source IP address and the source MAC address analyzed in the step 1 in pairs in a database; 3, confirming a rule template; 4, comparing the IP in the latest ARP table with the IP in the rule template one by one; step 5, comparing the MAC in the latest ARP table with the MAC in the rule template one by one; and step 6, once the violation condition is verified in the step 4 and the step 5, automatically triggering an alarm program and carrying out buzzing alarm. According to the invention, the phenomena of IP address embezzlement, illegal occupation, conflicts and the like can be found in time, and the management and maintenance efficiency of the local area network is improved.

Description

technical field [0001] The invention relates to the technical field of local area network IP address detection, in particular to a local area network IP address abuse detection device and method. Background technique [0002] The coverage of LAN is generally within a few kilometers, and its convenient installation, cost saving, and convenient expansion make it widely used in various offices. The LAN can realize file management, application software sharing, printer sharing and other functions. During the use process, by maintaining the security of the LAN network, it can effectively protect the data security and ensure the normal and stable operation of the LAN network. [0003] With the deepening integration of the new generation of information technology and the whole process of industrial production, and the rapid advancement of industrial informatization, more and more enterprises have begun to establish their own LAN systems. [0004] However, with the increase of the ...

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that in the prior art, with the increase of the number of computers and the increase of IP address allocation, the phenomenon of LAN IP address conflicts and illegal occupation occurs from time to time, which seriously affects the normal operation of the enterprise LAN. A local area network IP address abuse detection device and method

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