Hi Rob, let me look into it. Chris P.
On Fri, May 28, 2021 at 11:36 AM Rob Sayre <say...@gmail.com> wrote: > On Mon, Apr 5, 2021 at 10:02 AM Christopher Patton <cpatton= > 40cloudflare....@dmarc.ietf.org> wrote: > >> Hi list, just FYI that Cloudflare's test server is upgrading to >> draft-ietf-tls-esni-10 this morning. It should finish rolling out in a few >> hours. Note that we've dropped support for draft-ietf-tls-esni-09. >> >> The endpoint is https://crypto.cloudflare.com. You'll also find our ECH >> config in the HTTPS resource record. >> > > I've gotten a Rustls client to interoperate with this server, but I had > some trouble triggering HRR, since Rustls always sends a key-exchange group > in TLS 1.3. I managed to hack up a ClientHello and handshake with no > initial key-exchange group, but perhaps it could be easier. > > It might be nice to have this server reject secp384r1 and offer X25519 in > an HRR, or something like that. > > thanks, > Rob > >
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