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Ubiquiti MAC ACLs not working (lemmy.world)

submitted 4 months ago by [email protected] to c/[email protected]

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I recently got into Ubiquiti, and am trying to limit intra-vlan communications.

I have a Proxmox server hosting a couple VMs that are on the same VLAN (192.168.8.0/24).

These two devices can ping each other, even after I follow the guide here. I've tried just adding that VLAN to the Device Isolation (ACL) section in Settings > Network as I believe this should just block everything within that VLAN, as well as trying to add explicit rules in the ACL to block client A -> B and B -> A with no luck.

I feel like I must be missing something simple. Has anyone done this successfully?

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[–] [email protected] 1 points 1 month ago

Unfortunately not. My understanding is that things on the same host will not hit the firewall before hitting each other. In my case there is a firewall built into Proxmox which can solve this.