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[Question] Protecting outdoor LAN port from infiltration? (lemmy.ml)

submitted 3 months ago* (last edited 3 months ago) by brownmustardminion@lemmy.ml to c/networking@sh.itjust.works

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If you have an outdoor Ethernet port—in my case with a WiFi AP connected—how can you go about protecting your network from somebody jacking in?

Is there a way to bind that port to only an approved device? I figured a firewall rule to only allow traffic to and from the WiFi AP IP address, but would that also prevent traffic from reaching any wireless clients connected to the AP?

Edit: For more context, my router is a Ubiquiti UDM and the AP is also Unifi AP

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[–] Thade780@lemmy.world 12 points 3 months ago (1 children)

MAC filtering, but if the MAC address is visible from the outside AP it's pretty much useless. Radius would help.

[–] brownmustardminion@lemmy.ml 5 points 3 months ago

Yeah since the unit is easily accessible I imagine they could just read the MAC address off the sticker and spoof it.