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Some Terminologies Related To Sniffing

Some Terminologies Related To Sniffing


Media Access Control Address (MAC Address):
It is a unique identifier assigned to Network Interface Card (NIC) or you can say Ethernet card for communication on physical network segment like Local Area Network (LAN). MAC addresses are assigned by manufactures of your NIC and are stored in hardware as Read Only Memory (ROM). MAC is also referred as Ethernet Hardware Address(EHA), hardware address or physical address of device
.

Address Resolution Protocol(ARP):
It is used to associate a logical address with a physical address. On a physical network like LAN each device is identified by its physical address. ARP is used to find the physical address of the node when its Internet address is known.

Reverse Address Resolution Protocol(RARP):
It allows a device(host computer) to discover its Internet address when it knows its physical address. It is used when a computer is connected to network for first time.

MAC Flooding:
It is technique which involves spoofing of NIC's unique MAC address. In MAC flooding a switch is flooded with lots of MAC address to make it work like a hub.

MAC Duplicating:
MAC duplicating attack is launched by sniffing network for MAC addresses of clients that are actively associated with a switch and reusing one of them. MAC duplicating attacks works on Wireless Access Points(WAP) which uses MAC filtering.

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