What is MAC Address and How to get mac address in my computer ? -ethical hacking tutorials




What is Protocol ?

  • Protocol is a special set of rules for communication data.
  • Network protocol = Rules and conventions/conditions for communication between network devices.
  • Network protocols defines the mechanism of devices to identify and establish the connections between each other + formatting rules that specify how data is packaged into messages sent and received.
 MAC Address Lookup

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What is MAC Address ?

  • A Media Access Control (MAC) address is a 48-bit address stored in the network Interface card.
  • It is used for communication between two hosts in an Ethernet environment.
  • It is nothing but a hardware /physical address of a computer.
  • A MAC address is supposed to be globally unique and this will not be duplicated.
  • The 48 bit contains - First 24 bits ( User ID -> Card Buyer ID ) + second 24 bits (card manufacturer)
  • The address is written in the form of 12 hexadecimal digits. For example, consider the following MAC address:
    • D8-D3-85-EB-12-E3
 MAC Address Search

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  • Every hexadecimal character represents 4 bits, so the first six hexadecimal characters represent the vendor (in this case, Hewlett Packard).

Levels Of Addressing

  • Four levels of addresses are used in an internet employing the TCP/IP protocols:
    • Physical Addresses
    • Logical Addresses
    • Port Addresses
    • Specific Addresses
 MAC Address

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To get MAC address

Option 1 :

  • Click the Network Icon on Taskbar
  • Click the connected network and click the properties which is shown in the figure
 Find my MAC

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  • The network setting window open and shows the mac address.
 MAC Address Finder

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Option 2 :

  • Open command prompt and type getmac to get the mac address
 My MAC Address

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Option 3 :

  • Navigate to Control Panel > Network and Internet > Network Connections
  • Right click the connection and click status within the dropdown
 How to find MAC Address

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  • Click Details buttons in the status window
  • Then the Network Details windows open and shows the MAC address(Physical address)
 MAC Identifier

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Option 4 :

  • Open command prompt and type ipconfig /all (have a gap between g and /).
 ipconfig MAC

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