this post was submitted on 04 Oct 2025
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Why do my LG smart fridge and my GE washer and dryer all have DNS servers? And is there a way I can control them without the manufacturer's miserable apps? (lemmy.radio)
submitted 2 days ago by early_riser@lemmy.radio to c/homeassistant@lemmy.world
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First thing I do when I get a smart appliance is scan it with nmap. This has revealed some interesting Easter eggs, like my Davis instruments air quality sensors having a local REST API.

Doing the usual scan against my GE washer and dryer shows that port 53 is listening. What could that be for? Is there a way I can at least query their status locally or something?

When I got the washer and dryer I was excited about the smart home features because getting an alert when my laundry is done or starting the washer remotely so the clothes are done when I get home are genuinely useful features. However, last time I checked the app none of that was available, so I just have these Trojan horses in my home spying on me with no benefit in exchange. Their app wanted my freaking mailing address when I signed up for their mandatory account, so the features mentioned above are the least they could offer in exchange for my digital soul. But I digress.

My fridge is in a similar situation. It commits the additional cardinal sin of ONLY being controllable via the app, with no on-board temp or filter status indicators whatsoever.

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[–] spitfire@lemmy.world 1 points 1 day ago

My fridge has a small door in its door so I can exchange less air with its outside if I only need to pull out something that’s on one of door’s shelves. The downside is that unlike the main door (which does auto close) it needs me to push it firmly to close.