And, when on any other network run macchanger in random mode.
MACCHANGER LINUX MAC
So, when on the home network you could modify the macchanger script to use -m XX:XX:XX:XX:XX:XX to force the actual/constant MAC address. You would relocate the macchanger script to the if-pre-up.d for the given profiles. WARNING!: Any networking application or device which relies on your unique MAC address will break since randomizing it will return a different value every time the interface is activate.įor the times when you trust your network and need to report the actual/physical network MAC address you have the option of using RoamingProfilesWithNetworkManager. If you randomize your MAC address you will break your reservation. WARNING!: DHCP reservations generally rely on a MAC address to reserve a particular IP address assignment. There are additional switches you may consider. If you desire a completely random MAC address change the -e in the macchanger script to -r. Now everytime any managed interface is activated, as it passes through the pre-up phase, the network MAC address will be randomized under the VENDOR id. # Radomize the mac address for the given interfaceĬhmod +x /etc/network/if-pre-up.d/macchanger It is a reference provided by Network Manager for the particular activated interface. Utilizing Network-Manager's methods to trigger events when a network interface changes state, place the macchanger script into /etc/network/if-pre-up.d.ĭon't change $IFACE. The package macchanger is in the Networking (universe). If you don't have it installed already, load it. To check ls /etc/NetworkManager which should return at least dispatcher.d. You likely have it installed already and can skip this step. Additionally, if you fully randomize your MAC address, you may report such bizzare hardware vendor ids as to be quite conspicuous.Ĭommands in this guide assume you have sudo'ed root. Randomizing the MAC address your network hardware reports affords some level of anonymity and privacy.ĬAUTION!: While MAC address randomization may afford some degree of anonymity and privacy, your network traffic activity may identify you. The MAC address is used by routers and switches on networks to direct traffic to and from your laptop. Your computers network hardware contains an encoded, unique and serialized hexadecimal address. You leak information about yourself everytime you associate to a network. Skill: Intermediate Complexity: Minimal Est Time To Complete: 0.5 Hours Special Mix Cases with Roaming Profiles.
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