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Re: Fwd: ESNI initiative

From: Daniel Stenberg via curl-library <>
Date: Thu, 30 May 2019 00:14:32 +0200 (CEST)

On Wed, 29 May 2019, Niall O'Reilly via curl-library wrote:

> I'm not sure whether posting to this list is the right thing to do;
> apologies if not.

Seems like the exact right thing to do!

>> The DEfO project ( has work in progress to integrate
>> prototype OpenSSL support for ESNI into a number of applications.
>> Not surprisingly, curl is high on our list. We're still exploring how the
>> curl application and library are structured and built. One of us will say
>> more when we have something presentable.

Awesome! And do feel free to share your code as early as you think is
convenient and useful as usually the earlier we can feed back comments on
design and think, the better it tends to get. Additionally, you might also get
help from other fellow contributors who want to see ESNI support done.

>> Following the existing pattern for the `ALTSVC` feature, these might be
>> (for example),
>> ```
>> #define CURL_VERSION_ESNI (1<<25) /* ESNI support */
>> ```
>> and `USE_ESNI`.
>> If this is premature, or doesn't make sense, I'ld appreciate being told.
>> Feedback is not necessarily confirmation.

It looks perfect to me. Matches how we usually do these things!

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Received on 2019-05-30