![]() You can hear it being called the Hardware Address, and or Physical Address depending on how it’s being used in context.Ī computer MAC hardware address filter is nothing more than a control list that gets compared against the hardware’s ID of a network card trying to gain access to a specific function or service.Ĭreating computer MAC address filters gives the ability to either include or exclude the physical hardware address of the computer sending an Ethernet network packet. ![]() In the world of networking what is a MAC address can sometimes go by different names. Media Access Control Address is what a MAC address stands for, and is mainly used for verification of a nodes physical address on the network, and during the creation of Ethernet network packets in transit. ![]() Normally its encoded by the manufacturer at the time it was built, and contains information about the maker of the card. MAC address filtering uses a network interface cards (NIC) identifier called a MAC Address, just like a vehicle VIN number for an automobile.Įvery network card in the world has a unique MAC address encoded into it, and is a great way to strengthen your Wireless Router Security.
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