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TLS ECH (Encrypted Client Hello), formerly known as ESNI (Encrypted Server Name Indication) #4599

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Veratyr opened this issue Nov 4, 2018 · 2 comments

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@Veratyr
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Veratyr commented Nov 4, 2018

More info:

  1. ESNI is already implemented in Firefox
  2. Suggestion for ESNI implementation in Chromium
  3. Tracking ticket for the work to implement ESNI in BoringSSL
  4. IETF ESNI draft (work in progress)
@dimitris-t
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dimitris-t commented Nov 7, 2018

Cloudflare supports it: https://blog.cloudflare.com/encrypted-sni/
Cloudflare ESNI checker: https://www.cloudflare.com/ssl/encrypted-sni/

@FozzieHi
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FozzieHi commented Aug 5, 2020

Just a quick note: This draft has been renamed to Encrypted Client Hello (ECH) and Firefox doesn't currently support ECH with HTTP/3: https://bugzilla.mozilla.org/show_bug.cgi?id=1654507

@Veratyr Veratyr changed the title ESNI (Encrypted Server Name Indication) TLS ECH (Encrypted Client Hello) [formerly known as ESNI aka Encrypted Server Name Indication] Jul 1, 2021
@Veratyr Veratyr changed the title TLS ECH (Encrypted Client Hello) [formerly known as ESNI aka Encrypted Server Name Indication] TLS ECH (Encrypted Client Hello) [formerly known as ESNI (Encrypted Server Name Indication)] Jul 1, 2021
@Veratyr Veratyr changed the title TLS ECH (Encrypted Client Hello) [formerly known as ESNI (Encrypted Server Name Indication)] TLS ECH (Encrypted Client Hello), formerly known as ESNI (Encrypted Server Name Indication) Jul 1, 2021
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