[openssl-users] s_server -www -tls1_3: Firefox/Chrome not working

Viktor Dukhovni openssl-users at dukhovni.org
Wed Sep 12 14:41:01 UTC 2018

> On Sep 12, 2018, at 10:20 AM, Benjamin Kaduk via openssl-users <openssl-users at openssl.org> wrote:
> IIUC, only Firefox nightly as of approximately today will support the final
> RFC 8446 version; I haven't looked into Chrome yet.

From the Firefox TLS 1.3 blog entry:


What Now?

TLS 1.3 is already widely deployed: both Firefox and Chrome have fielded “draft” versions. Firefox 61 is already shipping draft-28, which is essentially the same as the final published version (just with a different version number). We expect to ship the final version in Firefox 63, scheduled for October 2018. Cloudflare, Google, and Facebook are running it on their servers today. Our telemetry shows that around 5% of Firefox connections are TLS 1.3. Cloudflare reports similar numbers, and Facebook reports that an astounding 50+% of their traffic is already TLS 1.3!


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