ESNI/ECH on Firefox

[bjornk]

Looks like Firefox finally has a working implementation of the ECH draft, which wasn't the case for version 96.x and older. Don't know which version received this update first, but I'm posting this using portable FF version 110.0 and SNI messages seem encrypted.

How to check:

https://www.cloudflare.com/ssl/encrypted-sni/ should report

https://crypto.cloudflare.com/cdn-cgi/trace should report

sni=encrypted

https://defo.ie/ech-check.php  should report

SSL_ECH_STATUS: success

 

Edited February 23, 2023 by bjornk

[Clooneyblast]

  

On 2/23/2023 at 1:18 PM, bjornk said:

Looks like Firefox finally has a working implementation of the ECH draft, which wasn't the case for version 96.x and older. Don't know which version received this update first, but I'm posting this using portable FF version 110.0 and SNI messages seem encrypted.

How to check:

https://www.cloudflare.com/ssl/encrypted-sni/ should report

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sni=encrypted

SSL_ECH_STATUS: success

 

It sounds like a big step forward for Firefox users who value privacy. ECH (Encrypted Client Hello) is a pretty significant upgrade in terms of encrypting SNI (Server Name Indication) messages, making our internet usage more secure. I'm curious how this compares to other browsers and their handling of ECH. Have you noticed any performance changes or issues since updating to version 110.0? Sometimes these new implementations can have a few hiccups initially.

Edited October 18 by Clooneyblast