NETWORK HACKING CHAPTER 2 part 1 (THEORY)

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                               MAC   [MEDIA ACCESS CONTROL]

         WHAT IS IT ?

  1.     Each network card has a physical static address assigned by the card manufacturer called MAC address.

  3.     These address is used between devices to identify each other to transfer the packets of data to the right place
  4.     Each data packets has a source mac and a destination mac
  5.     As mac address is a unique id for any network card , it can be used to trace  any user.
  6.     changing your mac address will help you to connect to certain networks(WHITELIST) or it will help you to bypass the BLACKLIST
  7.     WHITELIST:it is the list of mac address that are able to connect to a specific server.
  8.     BLACKLIST: It is the list of mac ids which the server do not  allow to connect to it.
  9.     As it is physical and static the only way to change it is change it in the ram.
  10.     to change it we are using a tool called macchanger .

HOW TO CHANGE IT ?
  •     step 1: get your wifi card name.                                                                  >iwconfig
  •     step 2: Disable the wireless card                                                                 >ifconfig <interface name> down
  •     step 3:open the tool macchanger, we are adding --help with   
  •               the tool name to view the available option in the tool .
  •                >macchanger --help
  •     step 4:to set random mac address
  •                >macchanger --random <interface name>
  •     step 5: Now enable the wificard again
  •                >ifconfig <interfacename> up
  •     step 6:at last check your mac id
  •                >ifconfig 

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