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How to block a network device from "phoning home"? (alien.top)

submitted 11 months ago by Bluepenguin053@alien.top to c/homelab@selfhosted.forum

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Howdy,

I'm going to apologize in advance if this is a simple question, but my google-fu is not getting me results.

I have a 3D printer. This printer allows me to connect it to my local network so my PC can send it files. I can see it attempting to communicate out to the internet via my PIhole however. How can I block it from attempting to reach out but still allow it to connect to my PC?

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[–] reddit-MT@alien.top 1 points 11 months ago

Give it 127.0.0.1 as its default gateway or block it at your router.