<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{REQUEST_URI} ^/socket.io/ [NC]
    RewriteRule ^(.*)$ - [L]

    RewriteCond %{REQUEST_URI} !^/backend-*
    RewriteCond %{REQUEST_URI} !^/public/
    RewriteRule ^(.*)$ /public/$1 [L,QSA]
</IfModule>
<IfModule mod_security.c>
    SecFilterEngine Off
    SecFilterScanPOST Off
</IfModule>