Can a website access my local network/learn about the existence of other devices without installing malware? (lemmy.ml)

submitted 4 months ago by GolfNovemberUniform@lemmy.ml to c/privacy@lemmy.ml

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Basically title. Recently I saw a new option in Chromium website permission settings called "allow access to local network" or something like that and I know some antiviruses on Windows that can list all devices connected to the same WiFi network. I'm usually using Firefox based browsers that obviously don't have the option to disable or enable that access. So can some really invasive websites mine data about my local network, connected devices etc? And if so, what can I do to prevent it except for just disconnecting everything else when visiting such websites?

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[-] AtHeartEngineer@lemmy.world 10 points 4 months ago

Interesting, I didn't know about that. Bleeping computer has a good write up on it (I'm assuming they broke the story) https://www.bleepingcomputer.com/news/security/ebay-port-scans-visitors-computers-for-remote-access-programs/

[-] ArcaneSlime@lemmy.dbzer0.com 9 points 4 months ago

According to Nullsweep, who first reported on the port scans, they do not occur when browsing the site with Linux.

HA!

[-] sunzu@kbin.run 2 points 4 months ago* (last edited 4 months ago)

Is this related to how Linux does permissions?

[-] nickwitha_k@lemmy.sdf.org 4 points 4 months ago

Probably useragent check. They likely suspected that they'd get caught quicker if they scanned Linux users.

this post was submitted on 18 Jul 2024

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