(Feel free to find an intranet machine (such as a cash register), install the support library program first, and then perform the following settings.
One: Select the network card, after selecting the network card, the information such as the IP of the network card will be displayed in the information prompt box, please acknowledge it. Note that if the selection is not accurate, the monitoring will not work!
Second, set the host IP and Mac address. You can enter the arp-a command in the dos to query the gateway Mac address. Note that uppercase only works! It is also necessary to set it accurately, otherwise it will not work, and choosing automatic gateway maintenance will also make you disconnected!
3. If you want to maintain the gateway, check the "Turn on automatic gateway maintenance function", and set the IP segment, start from the date, and finish from the date. If automatic gateway maintenance is checked, it will automatically broadcast the exact gateway and Mac on the network, so that it will not be affected by viruses.
Fourth, the high-end settings are used for filtering, and there is no special requirement to choose.
Fifth, click the 'Start Monitoring' button now. If there is an illegal Arp packet, it will prompt you the sender's IP and Mac address, so that you can find out who is doing the trick.
Sixth, the settings made will be automatically retained after exiting.
As long as it is an Arp broadcast that includes the host, it will prompt attention, and it will prompt a warning when there is an attacking Arp package!)
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