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Quite why they have a time limit is a mystery to me. I’ve not yet reached the end of the 45 minutes, but there’s a chance the network will lock my MacBook out once the 45 minutes is over. They provide free wi-fi access, and yet in their wisdom Heathrow decided to only allow a device to connect for 45 minutes. Changing your MAC address is commonly called spoofingthe MAC address.įor instance, right now I am in London Heathrow airport.

It will revert back when you reboot your device. As it is hardware encoded, it can only be changed temporarily. There are situations where it is useful to temporarily change your device’s MAC address. a MAC address takes the following format: 01-23-45-67-89-ab Why change your MAC address? This enables networks and other network capable devices (such as your wi-fi router) to differentiate one device from another.
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The Wi-Fi chip in your Apple computer, iPad, iPod, iPhone, Kindle, Android phone, Windows computer, etc., has a hardware level identifier. In this case, however, MAC refers not to your computer but to the unique Media Access Control code assigned to every device capable of connecting to a network. It works on Big Sur, in case you’re wondering.įor some Apple Mac users a “mac address” may sound like a reference to the current location of your computer.
Change.mac address on mac macdaddyx how to#
Why’d you change your MAC address? Do you intend to use this capability often? Do you use another approach to spoofing MAC addresses? Share your experiences, tips, and thoughts in the comments.NOTE: - 2021-May - There’s a related post on how to spoof your MAC address, free, using a script.
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Whether or not this spoof-mac HomeBrew approach is easier than using the bundled command line tools to spoof a MAC address in Mac OS is up to you and your particular use case. Perhaps a similar privacy feature will arrive for the Mac eventually.

This applies to the Mac computer of course, but interestingly enough, the latest versions of iOS and iPadOS offer a private wi-fi address feature on iPhone and iPad that is basically changing and randomizing the MAC address as well for those devices. In testing, both worked on my particular MacBook Air, and FWIW disabling Wi-Fi is the more traditional approach. Note that some users may find that only disconnecting from the active wi-fi network, changing the MAC address, then reconnecting to that network works, while others may find that temporarily disabling wi-fi, changing MAC address, then re-enabling wi-fi works. The MAC address will remain changed until you either switch it back, or the Mac is rebooted.
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From Terminal app, install mac-spoof with HomeBrew.Assuming that’s already done, launch Terminal app to get started. Using spoof-mac to Change a MAC Address in MacOS Monterey / Big Surīefore beginning, you will need to install Homebrew on the Mac if you have not done so already. This is aimed at advanced users, as the majority of people have no need to change a MAC address or spoof one. And by the way, MAC in this case stands for Media Access Control, not to be confused with Mac which is short for Macintosh – but yes, this article will cover changing the MAC address on a Mac. Additionally, some services use a MAC address to track a computer or device.

For some quick background, your computers MAC address is unique and identifies it to connected networks, and some services use MAC addresses for filtering who or what is allowed onto a particular network.
