Abel Melquiades Callejo

Asked: 2020-09-23 18:38:48 +0800 CST2020-09-23 18:38:48 +0800 CST 2020-09-23 18:38:48 +0800 CST

How to configure Apache to serve HTTP version 2?

The configuration file of Apache already has the following:

LoadModule http2_module modules/mod_http2.so

and...

<IfModule mod_http2.c>
    Protocols h2 h2c http/1.1
</IfModule>

HTTPS is working too using certificate issued from Let's Encrypt.

However, when I try to request a resource say:

https://h2.example.com/index.html

Apache is still serving it with the protocol http/1.1 and still not h2.

One thing I noticed was that the response for the resource just have the following header:

Server: Apache/2.4.41 () OpenSSL/1.0.2k-fips

instead of the working ones with:

Server: Apache
Upgrade: h2,h2c

Did I miss something? How to configure Apache to serve HTTP version 2?