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The method used to find a MAC address depends on the type of network device involved. All popular network operating systems contain utility programs that allow you to find (and sometimes change) MAC address settings. Change a MAC Address in Mac OS X. Mac OS X’s System Preferences pane displays each network interface’s MAC address, but doesn’t allow you to change it. For that, you need the Terminal. RELATED: A Windows User’s Guide to Mac OS X Keyboard Shortcuts.
The MAC (media access controller) address is a unique identification number for your computer’s networking hardware. Generally, it just works, but sometimes you need to change it. Apple and Microsoft don’t make it easy to change your MAC address, but it is possible.
Why Would You Want to Change it?
This setting doesn’t give you any speed or performance benefit. It’s like the phone number of your hardware. If you change it to an existing number, you’ll confuse your network.
The most common reason for changing your MAC address is some other device is locked to an old address. Your router or another piece of hardware might only accept or give out connections to a particular MAC address. I ran into this problem once connecting to my office computer. The IT help desk was closed, but I needed to connect to the network with a different laptop. Once I changed my new laptop to my old laptop’s MAC address I got into the network.
Another reason to change your MAC address is for wifi networks that limit the time or number of connections. You shouldn’t use this to bypass time restrictions on a network, but you can transfer your connection time to another MAC address. For example, you might sign up for a few hours of Wi-Fi on your tablet. Then want to use your laptop on the network. Instead of paying for another connection, changing your laptop’s MAC to the MAC address of your tablet might get you out of paying for an extra connection.
Be Ethical: Don’t use this to circumvent security or cheat.Finally, someone can track you through your MAC address. You might want to change it each time you connect to a network or just use a random address.
How to Find a MAC Address On a PC
If you’re on a PC, the easiest way is through the command prompt. Type
ipconfig /all
and you’ll see all your network interfaces and the physical address. That’s the MAC address.
You can also find it by going to Control Panel > Network and Internet > Network Connections. Then right-click on the network adapter and pick Status > Details. Again, the physical address is the MAC address.
PC Command Prompt Tips: Here’s a list of cool command prompt tips. You can even install apps from the command prompt.How to Find a MAC Address On a Mac
If you’re on a wireless network, hold down the option key while clicking on the wifi icon in the menu bar. It will tell you the Interface Name and the Address. That address is your MAC address. If you’re on Ethernet or another connection, you’ll need to go to the Network System Preferences.
![Osx change mac address Osx change mac address](/uploads/1/2/6/4/126444896/153665798.png)
Select the interface you’re checking, then go to Advanced->Hardware. At the top is the MAC address.
You can also type
ifconfig
in terminal, and that will tell you the MAC address of all your interfaces.
Cool wireless Mac tools: That option key is just one of many hidden Mac wireless features.The Easy Way to Change This on a Mac
The best program I’ve found for this on the Mac is WifiSpoof. It’s $9.99, but they offer a free 2-week trial. It not only makes it easy to change the address but runs as a menu bar icon if you want. It can randomize the MAC address each time it’s run. If you’re concerned about tracking, this is the app for you.
If all you want is a simple way to change the address, Mac MACSpoof does this for a $4.99 optional purchase. The interface isn’t as slick and the app requires an additional “helper” app to install.
The Easy Way to Change This on a PC
Just like on a Mac, a third-party software makes this easy for a PC. For example, Technitium MAC Address Changer is a free program that does this for you.
What I like about this app is it lets you pick a random MAC address if all you’re interested in is changing the address for testing purposes. It also enables you to know which addresses are active.
NoVirusThanks’s MAC Address Changer is another free program. It has fewer options, but it is easier to use than Technitium’s version.
Windows 10 users: Your computer’s hardware might support automatic MAC randomization.The Direct Way to Change This on a Mac
If you feel comfortable in the OS X terminal type the command
sudo ifconfig en0 xx:xx:xx:xx:xx
Replacing the XX with the number of the new MAC address.
The Direct Way to Change This on a PC
Similar to the direct way on a Mac, this way works without third-party software. Head on over to Device Manager. Then click the disclosure triangle and find the adapter you want to change. Again remember, each type of adapter uses a unique MAC address.
After you find your adapter, click Properties then Advanced. You’ll see the Property called Network Address. Go to the Value: box and change the value to what you want.
Remember to Change It Back
Whichever option you choose, don’t forget to change the MAC address back when you’re done. If you don’t, you might have problems on other networks. If your goal is to use a random address, you might have trouble if someone is already using that MAC address.
ALSO SEE:How to Prevent a Mac From Connecting to the Wrong Wireless Network
Also See#network #settings Did You Know
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A MAC Address or Media Access Control Address is a unique identifier assigned to every Network Interface Card. In this post, we will see what is MAC Address and how do you change a MAC Address in Windows 10/8. We will also touch upon MAC Address filtering, lookup and spoofing.
What is MAC Address
Whether you are using a wired network or a wireless one, you need a network card to connect to other computers and to allow other computers to your computer. While most of us believe that it is the IP address that is significant in contacting another computer on the network, it is not the only factor. More important than IP (Internet Protocol) address is the MAC (Media Access Control) address – an address assigned to the network interface card, so that it is identified on the network.
A Network card is a term used in short for a Network interface card. We call it NIC for short. Every NIC has a MAC address – just like a postal address so that the data packets travelling on your network can reach the correct NIC and from there, your computer. 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.
MAC addresses do not appear when you click on Open Network Adaptors in the Windows System Tray. Unlike IP addresses, that are provided by your ISP or network admins, and may be static or dynamic. MAC addresses are assigned by the manufacturers of network interface cards (NIC). These MAC addresses are built into the cards and are resolved using a method called Address Resolution Protocol. 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.
Structure of MAC Address
A MAC address is separated by full colons, as is the IP address (IPv4 addresses). 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:
00:9a:8b:87:81:80
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.
![For For](https://www.cracks9.co/wp-content/uploads/2016/11/change-mac-address.png)
Read:How to setup MAC filtering in Dlink router.
How To Locate MAC Address of NIC (Network Interface Cards)
To locate the MAC address of your network adaptors, you have to go to the command line. Press WinKey+R, type cmd in the Run dialog box that appears and press Enter key.
Type getmac /v /fo list and press Enter key. The output for each of your NIC adaptor (network adaptors – wired and wireless) will be displayed.
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Change MAC Address in Windows
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.
1. Press Windows Key + Break or Pause key to open System Properties window. If the Pause key is combined with the Shift key, you may need to press Win+Fn+Pause key.
2. Click on Device Manager to the left side of the System window
3. Once the Device Manager dialog appears, look for the category named Network Adaptors
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4. Click on the plus sign preceding Network Adaptors to see all the Network cards attached to your computer;
5. Select the network adaptor whose MAC address you wish to change
6. Right click on the network adaptor and select Properties
7. Click on the Advanced tab.
8. 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
9. When you select one of the above options, you will get a text box saying Value.
10. 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 00:4f:gH:HH:88:80, you simply type 004fgHHH8880 without any dashes or full colons; adding dashes may result in error
11. Click OK to close the dialog box
12. Close other open dialog boxes (if any) and close the Device Manager
Program Change Mac Address Windows 10
That is the simplest method to change the MAC (Media Access Control) ID of the network adaptor.
You can also use some of these free MAC Address Changer Tools.
MAC Address Spoofing and Filtering
Spoofing is a method by which you change your MAC address to someone else’s MAC address. That is the common notion in the world of Internet. Spoofing is useful when your network won’t let you in due to MAC filter restrictions. Hackers too indulge in MAC address spoofing.
When you change the MAC address using the above method, you are actually spoofing the MAC address. The hardware MAC address remains the same, but is given preference only when there is no other address. If you want to revert to the original MAC address, just follow the above steps and instead of inputting a value, select the radio button that says “Not Present” or “No Value“. That will get you back your original MAC address.
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. 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.
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Osx Change Mac Address
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