A MAC whitelist is an inventory of known MAC addresses that are permitted or denied access to the WIFI network. How does a MAC whitelist work? Every internet-capable device has a unique ID code called a MAC address. How is this different from an IP address? An IP address can be re-assigned to any device while the MAC address is hard-coded to the device. I think while not complete protection a whitelist can be used, as one tool of many, to thwart the “drive-by” intruder. Should they be ignored for providing a false sense of security? Perhaps. Whitelists are not perfect and a determined attacker could bypass them with enough effort. Below you will find a step by step how-to guide on adding a whitelist to a typical consumer router, but first a brief statement:Įasily defeated? – A MAC whitelist is another layer of protection that can be added to your WIFI network in an effort to keep unwanted devices out, it does NOT replace a strong WPA2 password, but compliments it.
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