You can use it to test your own MAC filtering settings. For whitelists, you’d have to know the MAC address of a specific device you’re trying to spoof.Ĭhanging your MAC address has legitimate uses as well. MAC spoofing can be used maliciously to circumvent network controls, but it’s really only effective for blacklists-that is, if someone specifically blocked your device from the network. But it’s fairly simple to change your MAC address by “spoofing” it as another MAC address. The MAC address is “burned-in” to the physical device at the factory. A MAC address works better for these administrative tasks because, unlike IP addresses, the MAC address doesn’t change. For home users, you might use MAC filtering to restrict access to your Wi-Fi network.
MAC addresses are useful for identifying devices on a network.
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