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

submitted 2 months ago* (last edited 2 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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[–] sugar_in_your_tea@sh.itjust.works 2 points 2 months ago

Yup, I had to implement this for a customer once, and while it was a paid, it does require authentication before getting access to the network.