Oblivious DNS to improve privacy

The is a new proposed DNS standard created by engineers at Apple, Fastly, and Cloudflare to improve privacy.

DNS is a cornerstone of the Internet as it translates domains, e.g. iguru.gr to IP addresses. Every time you connect to a web page on the Internet, DNS is required.

Using encrypted DNS standards, DNS over HTTPS and DNS over TLS, protects your DNS traffic from third parties trying to track you. Even the that can be recorded by DNS is valuable as it includes all the destinations that a user visits when the Internet.

But even if the DNS traffic is encrypted with the above encryption standards, the DNS provider still has στη διεύθυνση IP της s where ο χρήστης. Το πρότυπο ODoH (Oblivious DNS over HTTPS) υπόσχεται να το αλλάξει.

Basically, what ODoH does is add a proxy to the requests between the user's device and the DNS provider.

This way traffic is routed through the proxy server and this of course leads to improved privacy.

The DNS provider communicates only with the proxy server and not with the end user. In other words, the DNS provider sees the proxy IP but not the IP of the user's device.

ODoH also adds another layer of encryption to ensure that the proxy cannot read user movements. 

Cloudflare posted a detailed overview of the Oblivious DNS which provides additional technical details.

Also read it Oblivious DNS over HTTPS (ODoH): A Practical Privacy Enhancement to DNS

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Written by giorgos

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