I just upgraded to Debian 9 (stretch) but system seems to not support ALPN negociation (after running a HTTP2 test). All guides over the internet still refers to Jessie (Debian 8) but none talks about Stretch (Debian 9).

OpenSSL> version
OpenSSL 1.1.0f  25 May 2017

nginx -v
nginx version: nginx/1.13.1

nginx was installed from official repository

enter image description here

Is there a simple way (without recompiling manually nginx) to get ALPN with Debian 9 & nginx ?



It's supported out of the box with Debian 9.

My nginx vhost rollback at a version without the http2 statement.

Putting back the listen 443 ssl http2 statement and checking with HTTP2 test confirms that it works nicely out of the box.


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