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Access Rules with Mac Addresses

mjtmjt Newbie ✭
in Mid Range Firewalls

Is it possible to restrict access to a device behind the firewall to only external devices based on a MAC address (instead of a Public IP address.)

I have setup the rule but my initial testing did not work, so I wanted to confirm if this is even possible.

I created a WAN to LAN access rule where my SOURCE address was an Address Group with 4 MAC address objects.

Is this the correct way and is this even possible?

Category: Mid Range Firewalls
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Answers

  • BWCBWC Cybersecurity Overlord ✭✭✭

    MAC addresses are Layer 2. You cannot block based on MAC address when coming from the WAN. You can do LAN to WAN as long the Firewall sees your MAC address, but not WAN to LAN.

    —Michael@BWC

  • ArkwrightArkwright Community Legend ✭✭✭✭✭

    Everything on the internet will have a source MAC address of your WAN router. So no, this is not a viable approach.

  • AjishlalAjishlal Community Legend ✭✭✭✭✭

    @mjt

    Please elaborate this purpose to us may be we can help some other way around .

    NB: WAN to LAN mac based policy not practical.

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