Options -Indexes
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteRule ^(?:classes|vendor|xml|tables|views|migrations|bin|tests|nbproject|reports)(?:/|$) - [F,L,NC]
    RewriteRule (^|/)\. - [F,L]
</IfModule>
<FilesMatch "^(composer\.(json|lock)|README\.md)$">
    Require all denied
</FilesMatch>
DirectoryIndex main.php