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HTTPS und Secure DNS reichen nicht: Warum dein ISP trotzdem weiß, wo du surfst

Das Schloss-Symbol im Browser suggeriert Privatsphäre. Doch HTTPS und Secure DNS verbergen nicht alles. Ein Blick auf die SNI-Lücke und warum ein VPN nicht die einzige Antwort ist.

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Codekiste Redaktion18. Juni 2026

That padlock in your browser does not hide which websites you visit. Your ISP and potentially hackers see every single one. That padlock does mean HTTPS, [music] which means your traffic is encrypted, but it doesn't hide which sites you visit. And I know what you're thinking, Chuck, what about secure DNS? >> [music] >> It's a good thought, but look at this Wireshark capture. With secure DNS, I suddenly cannot see DNS traffic. That doesn't matter. I can still see SNI, which shows me exactly what site you're visiting. So, what can you do? VPN. Many people think that because HTTPS exists, you don't need a VPN, but it doesn't do everything. And there's more on your PC happening than just browser traffic. A VPN will encrypt it all. How? If you want to learn more, I got a video about it right around I mean, you'll find it. Just click on it. Go ahead. Actually, here's a link. Get it. Get it. I'm making my video editors work.

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YouTube: NetworkChuck
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