The `apache_server_tokens` variable can now be set, which controls the
value of the `ServerTokens` directive. If the variable is set, the
`ServerTokens` directive will be added to the `00-servername.conf` file.
The *apache* role installs and configures the Apache HTTPD server and
its *mod_ssl* module. It currently only works on Fedora/RHEL-based
distributions.