Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

ECH/ESNI doesn't work in FF Nightly

  • 1 reply
  • 2 have this problem
  • 9 views
  • Last reply by niksor21

more options

Looks like SNI settings via about:config in Nightly don't apply. Nightly version: 90.0a1 (2021-05-24) (64-bit) OS platform: Win 10 pro, 21H1 19043.985

1. network.security.esni.enabled ->true 2. network.dns.echconfig.enabled ->true 3. network.dns.use_https_rr_as_altsvc ->true 4. network.trr.mode -> 2 5. in Network settings DoH is enabled and Cloudflare (default) is selected 6. 1.1.1.1 with WARP is used

Attached screenshots

All Replies (1)

more options

You can use Firefox Extended Support Release. After the version 85, Firefox does not support ESNI.

You can find more here: https://blog.mozilla.org/security/2021/01/07/encrypted-client-hello-the-future-of-esni-in-firefox/

Modified by niksor21