Osx Change Mac Address Manual
Maintaining and Changing the MAC Address of a Virtual Machine When a virtual machine is powered on, VMware Workstation automatically assigns each of its virtual network adapters an Ethernet MAC address. MAC stands for media access control. A MAC address is the unique address assigned to each Ethernet network device. Change OS X MAC Address. Changing the MAC address on OS X is definitely not as easy as it is on Windows. Firstly, you have to use Terminal (similar to command prompt in Windows) to actually change the MAC address. Secondly, you need to manually figure out the technical name of the adapter before you can change the settings. How to change mac address atheros wireless adapter? To be able to change the MAC address of your wireless adapter simply follow these steps. First take a look at your MAC ADDRESS, go to start menu and type in the search box 'cmd' or simply press 'Windows key + r' then on run type in cmd.
In this article, we’ll show you how to spoof a MAC address on a macOS computer running High Sierra. This is a technique for changing the factory-assigned physical Media Access Control (MAC) address of a network interface on a networked device to a random address. MAC spoofing means that you’re changing a computer’s identity and it can be done for a number of reasons.
Hi, I am newbie in Mikrotik. I need to change the MAC address of one of the ethernet interfaces, but I put the above mentioned command /interface ethernet set ether1 mac-address=xxx, I receive the message: 'invalid item number' I am trying to put the command using winbox 'New Terminal' feature.
First, some Internet Service Providers (ISPs) want to register a client computer’s MAC address for service and billing services. When you wish to connect a new device to your network, the ISP may not grant access to a device with a different MAC address than those already registered to the ISP. By spoofing the MAC address to the address that was registered by the ISP, a user can work around the ISP limitation.
Next, some software can only be installed and run on systems with a pre-defined MAC address. Should you need to run that software on a new Mac or one in which the Wi-Fi (or Ethernet) card has been replaced, spoofing is required in order to make the software believe you’re using the original computer.
The primary reason for MAC spoofing is to mask your identity. In other words, this is used to protect your privacy. If you do not wish to have your computer tracked by MAC address, spoofing can show a different MAC address every time you log onto a network.
It’s interesting to note that iOS automatically delivers a random MAC address to Wi-Fi networks exactly for the purpose of preventing user tracking. This change was made to iOS by Apple in 2014.
The following instructions assume that you have some knowledge of and experience with the macOS Terminal app. If you feel uncomfortable using Terminal, then you may wish to either pass on spoofing your MAC address or use the WiFiSpoof app outlined at the end of this post. Now, let’s get to work:
1) Determine the name of the Wi-Fi interface on your Mac
Depending on the Mac you’re using, the Wi-Fi interface can have one of several names, usually en0 or en1. To figure out the address for your Mac, hold down the Option key and click on the Wi-Fi icon in the menu bar. You’ll see something similar to this screenshot:
In this case, we see that the name is en0 (that’s en, followed by a zero). Remember, this may be different on your Mac.
2) Temporarily disable Wi-Fi
When spoofing the MAC address on our Mac, Wi-Fi must be temporarily disabled. This is quickly done by once again holding down the Option key, clicking on the Wi-Fi icon in the menu bar, then select “Disconnect from XYZ” where XYZ is actually the name of your Wi-Fi network (see screenshot below). You’ll get a visual indication that you’re no longer connected to the Wi-Fi network as the Wi-Fi icon becomes grayed out.
(Use “Disconnect from” to temporarily disable the Wi-Fi connection.)
3) Launch Terminal
Next, launch the Terminal app. It’s found in the Utilities folder inside the Applications folder, or you can click on the Spotlight “magnifying glass” icon in the menu bar, type Terminal into the Spotlight search field, and press Return.
4) Verify the existing MAC address
To verify the existing built-in MAC address for the Wi-Fi adapter, type the following command into Terminal and press Return:
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Remember to replace the en0 in the command with the proper name for your Mac (perhaps en1) if you determined in Step 1 that it was different from en0. In the example below, the physical MAC address is 46:cf:fd:1c:78:3f :
(Using Terminal to find the existing MAC address for interface en0 (Wi-Fi).
5) Generate a random hexadecimal number to serve as the “new” MAC address
In Terminal, enter the following command (it’s OK to copy this and paste it into Terminal):
The response will be a 6 hexadecimal character address. In the example below, the random address is 9b:87:5e:59:68:5c —
(Generating the random hexadecimal number for the spoofed MAC address.)
6) Copy the random address from Terminal, then type the following command and paste the random address at the end before pressing Return:
In the example below, I’ve entered sudo ifconfig en0 ether 9b:87:5e:59:68:5c
(Entering the command to temporarily change the MAC address.)
Since we’re entering this command as root, we are prompted to enter the root password.
7) Test that the random address is now our MAC address.
Once again, we’ll use ifconfig in Terminal to see what our existing MAC address is for Wi-Fi. Enter the following command:
and we see the response as seen in the screenshot below with our random address:
Indicating that we’re spoofing the MAC address. Success!
You can now connect to Wi-Fi again, knowing that any Wi-Fi router you’re connected to now thinks that you’re coming from another MAC address. Note that if you use the Option – Wi-Fi icon method described in Step 1, you’ll still see the physical MAC address listed, but using Terminal and ifconfig as in Step 7 will verify that the MAC address is being spoofed.
Note that when you restart your Mac, all Wi-Fi MAC address spoofing goes away — you’re back to using your physical MAC address. If you want to use the Internet anonymously all the time, spoofing your MAC address using the Terminal method can be time-consuming. Fortunately, there’s an app for that…
WiFiSpoof
For many people, MAC spoofing isn’t really necessary except on rare occasions. But for those who need to zealously protect their privacy, an app called WiFiSpoof (US$19.99, on the Mac App Store) is a quick and easy way to change a MAC address.
(The WiFiSpoof Mac app.)
The app even provides a way to randomize a new MAC address every few minutes, a perfect way to prevent tracking while using a public network. It’s somewhat overpriced, but if you require complete security or do network security testing, the price tag for WiFiSpoof could be considered reasonable.
A MAC address, or a Media Access Control address, is a unique identifier that is assigned to the network interface of a machine. On your Mac, this is the unique hardware identifier for the WiFi or Ethernet card inside it. Every device has a unique MAC address, because if more than one device on the same network has the same MAC address, the network won’t be able to distinguish between the two devices, causing quite a lot of problems.
Since the MAC address is permanent, and hardware bound, it is most often used to prevent a particular device from accessing the network. For example, in your home WiFi, you can easily set up your router to allow only a specific list of MAC addresses to connect, so even if someone has your WiFi password, but are not added to the list of accepted addresses, they won’t be able to connect to your network. That’s one situation you’d want to change the MAC address of your Mac. So, if you’re trying to get around a router that has blocked your Mac’s MAC address, here is how to change MAC address on Mac:
Note: I’ve changed my MAC address on a MacBook Air running macOS Sierra 10.12.4. The method should be similar in other versions of macOS as well.
Find Your Current MAC Address
The first thing you need to do, is figure out the current MAC address of your Mac. You can do this by following the steps given below:
- Go to System Preferences -> Network.
- Here, click on “Advanced”
Mac Os Change Dns
- Switch over to the “Hardware” tab, and you’ll be able to see the MAC Address of your Mac. Note this down somewhere, just in case you need to switch back to it.
Change MAC Address in macOS
Change Mac Address On Mac
To change the MAC address on your Mac, you’ll have to use the Terminal. The commands are simple, and you can just follow the steps given below:
- Press and hold the “option” key, and click on the WiFi icon in the menu bar. You will be able to see the “interface name” there. In my case, it’s “en0”.
- Launch the Terminal, and type the following command:
openssl rand -hex 6 sed ‘s/(.)/1:/g; s/.$//’
This will give you a new random hex number that you can use as a MAC address
- Disconnect from your WiFi network, by holding down “option” and clicking on the WiFi icon in the menu bar, and clicking on “disconnect” under your WiFi name.
- Now, type “sudo ifconfig en0 ether <generated mac address>“.
- You will now have successfully changed your MAC address on Mac.
You can reconnect to your WiFi network, and check your MAC address again to verify that it has changed.
SEE ALSO: How to Reset and Flush DNS Cache in macOS Sierra
Easily Change MAC Address in Mac
You can use this method to easily change your Mac’s MAC address, and get around any router that is blocking you by your MAC address. Do note that if the router is using a MAC address whitelist, instead of blocking particular MAC addresses, you will not be able to join the WiFi network, even though your MAC address will have changed. Changing MAC addresses on your Mac is not a very difficult task, even if it sounds like one. So, if you’ve been wanting to spoof your MAC address, go ahead and try this method out. Also, let me know how it worked out for you, and if you know of any other methods to change the MAC address on Mac, do let me know about them in the comments section below.