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 6 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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[–] JustEnoughDucks@feddit.nl 6 points 5 days ago

They are doing their absolute best to make that impossible too.

With Bosch, who is normally a very good appliance manufacturer, you have to register your product with them to even be able to download the stripped down user manual.