this post was submitted on 04 Oct 2025
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homeassistant

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Home Assistant is open source home automation that puts local control and privacy first.
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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 22 hours 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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[–] okamiueru@lemmy.world 10 points 13 hours ago* (last edited 13 hours ago) (1 children)

Laundry machine can be monitored reliably with a smart socket.

Here is a blueprint for HomeAssistant that has been working well: https://community.home-assistant.io/t/detect-and-monitor-the-state-of-an-appliance-based-on-its-power-consumption-v2-1-1-updated/421670

[–] claude_flammang@dju.social 3 points 5 hours ago (1 children)

@okamiueru
For over one year now Homeassistant has been reliably announcing the end of the cycle by flashing all smart lights in RV before switching them back to their original state. What i like most is the fact that with the same reliability the washer beeps thirty seconds later.

[–] okamiueru@lemmy.world 2 points 1 hour ago

That's cool. We do it the boring way of getting a notification to the hassio app. It unfortunately uses google's notification api, and I'm not too happy with Google knowing when I do laundry.