DirectoryIndex index.php

Options -Indexes

<IfModule mod_rewrite.c>
RewriteEngine On

# Allow direct access to existing files and directories
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
</IfModule>

<FilesMatch "\.(env|log|sql|bak|ini)$">
    Require all denied
</FilesMatch>