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This oneliner can be used in a simple script. "It's him, officer, that's the guy who always connects using a random MAC address starting with 02".Ī random MAC address starting with 02 can be generated with:

On the other hand, it's a consistent piece of information. You may or may not want to care about that: On one hand, it is always polite to respect standards. Other MAC addresses are supposed to be centrally registered with and managed by the IEEE. You are supposed to set the top byte of a locally generated MAC address to 0x02 to signal that it is locally administered. A cafe or university or library can collect and gather and correlate a whole lot more data if what they see as the same device shows up 10 or 50 times. The amount of useful data that can be gathered and tied to you will be limited if your laptop is seen as an entirely new device each and every time it shows up. Some secretly log additional information such as DNS queries. Why A Fixed MAC Address Can Be A Problem Īn increasing number of public wireless access points track who connect to them and when.

Note: before running the code make sure to open your command prompt with the Run as administrator and also connect to a wireless network. Mac_add = "-".join() for i in range(0, len(mac_to_change_to), 2)])Īnd that it now we can run to code to change the mac address Getmac_output = n("getmac", capture_output=True).code() Run the getmac command again to check if the MAC address we changed to is among the list returned by running “getmac”. macAddRegex = re.compile(r"(", "call", "enable"],capture_output=True) We start off by creating a regular expression (regex) for MAC addresses, then We create a regex for the transport names And then We create a regex to pick out the adapter index. Mac_to_change_to = Ĭreate an empty list to store all the MAC addresses that we want to collect mac_addresses = list() 3 Final Words How to Update Youd Mac Address using Python in Windows import subprocessĬreate a variable to store the list of the mac address.2 How to update your Mac address using Python in Linux.1 How to Update Youd Mac Address using Python in Windows.