Disable old SSL and TLS version and enable the latest TLS encryption by setting
the following in /etc/httpd/conf.modules.d/ssl.conf:
SSLProtocol all -SSLv2 -SSLv3 -TLSv1 -TLSv1.1
Make sure to also set SSLEngine to on in
/etc/httpd/conf.modules.d/ssl.conf like the following:
SSLEngine on