摘要 |
A MAC address-based communication restricting method is disclosed. In the MAC address-based communication restricting method, packet data is received upon request of communication through an Ethernet switch, a destination address and a source address of the received packet data are read, it is determined whether access vectors of the addresses are present in an address entry table, and access is denied if the access vectors (security keys) of destination and source addresses are not matched. <IMAGE> |