Hi, We want to activate HTTP/2 on our server but before we proceed, we want to make sure there is no issue with our setup. Here's some background information: All our websites use Fast-CGI (not mod_php or php_fpm) We have a Roundcube installation beside ISPConfig and I don't know what interface it's actually using, to be honest. I would have to check with our team if necessary. Most of the websites we're hosting are secured with Let's Encrypt We use Apache We use the latest version of ISPConfig (3.2.5) Is there any precautions to take before proceeding? Is ISPConfig fully compatible with HTTP/2 ? Thanks in advance
You can safely enable it. For Debian 10, run Code: a2enmod http2 a2enconf php7.3-fpm systemctl reload apache2 a2dismod php7.3 systemctl restart apache2 a2dismod mpm_prefork a2enmod mpm_event systemctl restart apache2
