| 摘要 |
A method for preventing Ethernet from being attacked is provided. The method comprises the steps as follows: after detecting a new connection between a port and a terminal device and receiving a data packet from the terminal device, an Ethernet communication device establishing and storing a fixed map between the port and a hardware address of the terminal device, then forwarding the data packet according to the fixed map; after detecting a disconnection between the port and the terminal device, the Ethernet communication device deleting the fixed map.
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