241

Firefox rolls out ECH enabled by default in 118 (blog.mozilla.org)

submitted 1 year ago by Tibert@jlai.lu to c/technology@lemmy.world

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ECH (encrypted client hello) is going or get enabled by default (already existed in a hidden setting) with version 118.

This page about the version explains a bit better ECH https://support.mozilla.org/fr/kb/understand-encrypted-client-hello

Tho it is still a bit confusing.

From what I understand there is the DNS query > the dns servers sends back an IP. This DNS query can be encrypted with DoH (or DoT?, it seems only DoH from the post).

Then there is a handshake with the website where the website informations can be leaked, and that can be encrypted by ECH (if the website supports it).

Then after that there is a tls connexion established between the website and the user.

The part where I'm confused is : can ECH be used without DoH? If yes that would mean that I can use a DoH capable software and not have to configure it into Firefox? (ex: Nextdns + yogadns)

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[-] lemann@lemmy.one 7 points 1 year ago

Their webserver is probably misconfigured I think?

Chrome does a bunch of stuff in the background (trying no www, with www, etc) to try and get you to the https website, which firefox doesn't. It's a reason I like firefox as a developer, makes it super obvious when you've messed something up

this post was submitted on 03 Oct 2023

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