<i>Note that accepting HTTP&#x2F;2 connections over TLS requires the “Application-Layer Protocol Negotiation” (ALPN) TLS extension support, which is available only since OpenSSL version 1.0.2. Using the “Next Protocol Negotiation” (NPN) TLS extension for this purpose (available since OpenSSL version 1.0.1) is not guaranteed.</i><p><a href="http:&#x2F;&#x2F;nginx.org&#x2F;en&#x2F;docs&#x2F;http&#x2F;ngx_http_v2_module.html" rel="nofollow">http:&#x2F;&#x2F;nginx.org&#x2F;en&#x2F;docs&#x2F;http&#x2F;ngx_http_v2_module.html</a><p>Hmm, so Ubuntu 14.04 LTS won&#x27;t support it (ships OpenSSL 1.0.1f), need to upgrade to 16.04.