Latest Nginx with OpenSSL 1.0.2 still won't deliver http/2
chuuke
I have a server running Ubuntu 16.04 LTS with Nginx 1.112 built with OpenSSL 1.0.2h, and according a number of HTTP/2 support verficiation tools, like this one, the server is properly configured for HTTP/2 with ALPN. Yet in the latest Chrome (51.0.2704.106 (64-bit)), a reqest to the server returns with protocol http/1.1 and not h2:
I've read a number of posts here, like this one noting that Nginx built with OpenSSL versions pre 1.0.2 do not support ALPN. But I am running 1.0.2h.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial
$ nginx -V
nginx version: nginx/1.11.2
built by gcc 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.1)
built with OpenSSL 1.0.2h 3 May 2016
TLS SNI support enabled
$ openssl version
OpenSSL 1.0.2h 3 May 2016
Qualys SSL Labs 'SSL Server Test' gives the domain an A+ SSL rating. I used Let's Encrypt to create the cert, via the method referenced here.
Could it still be an Nginx certificate configuration issue?
Any and all help greatly appreciated.
chuuke
After all that, I was able to discover that it was a local issue. My antivirus application, Avast Mac Security, was preventing the protocol upgrade. Disabled it, and h2 is used.
BazzaDP's answer on this question is what led me to discovery:
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