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How did the Ad Networks find my search?
(lemmy.ml)
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this post was submitted on 02 Dec 2025
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Privacy
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Aren't they seeing all the urls you access?
No, unless you browse http website. They'll only see the domain name in the request SNI or during the DNS request.
But see ip you connect to. Reverse dns using own dns could show set of url possible on ip.
Reverse DNS would only show domain name, not URL. And even then a lot of websites are sharing IPs. No point in doing that when you've got SNI.
True only domain. TIL about sni. But vpn still protect against sni analysis no?
With a VPN it's the VPN that has access to the list of domain you visit instead of your ISP. Whether you should put your trust in your ISP or a VPN is another question.
...and if you use DoH, they won't even see DNS.
I would argue that you don't need a VPN. It's just another entity that can see your traffic, and there's no reason to trust them over your ISP. They're all for-profit companies.
https://www.pcmag.com/news/mullvad-vpn-hit-with-search-warrant-in-attempted-police-raid
Yeah you're right man the VPN that got raided and proven to keep no logs is the exact same as ATT that helped the NSA spy on everyone in the USA and has your credit card and address on file.
https://www.pbs.org/wgbh/frontline/article/how-att-helped-the-nsa-spy-on-millions/
Sure something like NordVPN wouldn't be trustworthy but come on, saying all VPNs are just as trustworthy as ISPs is absolutely insane
But they'll still see the SNI.
Not for long. That's about to get fixed with encrypted client hello.