We connect to public wi-fi systems and think that we are not giving away the sites we are visiting, as we are using HTTPs connections. But think again, our DNS requests reveal the sites we are connecting to. Also the start of the TLS connection actually reveals the site we are connecting to. … so Cloudflare have just announced that they have implemented ESNI (encrypted Server Name Indication (SNI) TLS extension). This aims to stop ISPs and public wi-fi providers from snooping on your Web accesses (or anyone else who listens to your network packets).

Medium.com  click the link to read the rest of the story.

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