We call it NIC for short. While the IP address is the software part of the Network Interface card Network card or NIC , the MAC address is hardware address, without which data packets will just keep on roaming on the network, as they do not have any address where to deliver the data. Each data packet on the network has a header containing MAC address of the computer you wish to connect to and then the data.
The last part of the data packet will contain a bit to ascertain if the data bit was correctly delivered or was it corrupted or changed during the transmission.
How to Change or Spoof MAC Address in Windows / Windows Server / macOS / Unix / Linux
This Address Resolution Protocol first obtains the IP address of the computer to be contacted and then resolves it into the MAC address before embedding it into header of the data packets so that they are delivered exactly to the computer intended and not to any other computer in the network.
But unlike only four numeric characters separated by full colons to make it look like a four digit sets x 4 parts, the MAC address is a combination of alpha-numeric characters. It is a set of six characters separated by six full colons. Also, unlike the four characters used in IP address per set, the MAC address employs only two characters per set. Here is an example of a MAC address for your understanding:. You can see that it is six sets parts divided by full colons and can contain both alphabets and characters.
The first two or three sets indicate the code of manufacturers of the network interface card just like the first two sets of IP address tells you where you are located. To locate the MAC address of your network adaptors, you have to go to the command line. The output for each of your NIC adaptor network adaptors — wired and wireless will be displayed. It is not advised to change the MAC address on networks as it may create conflicts and sometimes, may fail to appear on the network.
But if you want to change the MAC address for some reason, it is an easy process. Once the Device Manager dialog appears, look for the category named Network Adaptors. Click on the plus sign preceding Network Adaptors to see all the Network cards attached to your computer;.
Benefits Of Changing Your MAC (Spoofing)
Select the network adaptor whose MAC address you wish to change. In the list of available options, select Locally Administered MAC Address or Network Address; note that only one of the two options will appear based on the type of your network adaptor. When you select one of the above options, you will get a text box saying Value. Type a six digit alphanumeric code in the Value field after selecting the radio button; note that you do not have to type the dashes or full colon; if you wish to type f: gH :HH, you simply type fgHHH without any dashes or full colons; adding dashes may result in error.
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That is the common notion in the world of Internet. Hackers too indulge in MAC address spoofing. The hardware MAC address remains the same, but is given preference only when there is no other address. That will get you back your original MAC address.
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MAC addresses are especially useful when it comes to protecting your network from unwanted connections. All you have to do is to authorise only the MAC addresses that you wish to connect to the Internet or the network. This you can do it easily using third party programs.
Tech Spoofing a MAC address in macOS High Sierra
You can also filter MAC addresses manually by going to your router page and entering the MAC addresses that are allowed to interact with the router. This starts the Windows registry. This holds the network card settings for your adapter. View the full MAC address. The MAC address is a character alphanumeric label. The characters in the opened window are the physical address of your network card. There are many reasons or possibilities that an user may want to change the MAC address or a network adapter, which also known as MAC spoofing.
How to Change MAC Address in Windows 10 [Easy Steps]
For example, to bypass the MAC address filtering on firewall or router. The trick can be used to get pass the network access restriction by emulating a new unrestricted MAC address, or to gain access connection by spoof an authorized MAC address after sniffing the legitimate MAC address out of the air in MAC filtering Wi-Fi network. Actually, the original MAC address is burnt and imprinted to the network card, and cannot be changed. However, operating system can spoof as if there is different MAC address for the network interface card using tricks below.
Select the network adapter that connects that active network, and select Properties. In the General tab, click on the Configure button. Click on Advanced tab.
For example, EEA. Click OK when done. In the command prompt also, type the following command and hit Enter. Once a sub-key is matched to the network interface card that MAC address want to be spoofed, select and highlight the subkey.
Name the new value name as NetworkAddress. Note that the digit MAC address in hexadecimal format, and should be entered without any dash -. Reboot the system to make the new MAC address effective. First command brings down the network interface, second command change its MAC address while third command bring up the interface again.
Note that in some cases, to bring down and bring up the network interface, the following commands have to be used:.