How to enable HTTP2 support in Apache

Date posted: 25/09/2019

Objective:-

HTTP/2 is a major revision of the HTTP network protocol used by the World Wide Web. It was derived from the earlier experimental SPDY protocol, originally developed by Google. HTTP/2 was developed by the Hypertext Transfer Protocol working group httpbis of the Internet Engineering Task Force.

Ref link – https://developers.google.com/web/fundamentals/performance/http2/

In this article, we’re going to explain about enabling http2 protocol for your website.

Prerequisite :

CentOS 7.7
Apache
Website with SSL installed

If your domain doesn’t use SSL already, please make sure to install Let’s Encrypt Free SSL on your domain.

Step1: Enable http2 in apache ssl configuration

To enable HTTP/2 protocol, you need to edit existing SSL configuration. In CentOS you can find the file at /etc/httpd/conf/httpd-le-ssl.conf

Add the following line inside virtual host directive

Protocols h2 h2c http/1.1

Step2: Verify Syntax

# apachectl -t<br> Syntax OK

Step3: Restart Apache

systemctl restart httpd

Step4: Verify HTTP/2 Support

There is an awesome website where you can verify the website is supporting HTTP/2 or not.

https://http2.pro

For instance https://google.com output as follows

Thanks for using pheonix solutions.

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