RewriteEngine On
RewriteCond %{THE_REQUEST} /index\.php/(.+)\sHTTP [NC]
RewriteCond %{THE_REQUEST} !-f
RewriteRule ^ /%1 [NE,L,R]

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^(.+)$ /index.php/$1 [L]

RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /(.*)index\.php($|\ |\?)
RewriteRule ^ /%1 [R=301,L]

<FilesMatch "config.php">
    Deny from All
</FilesMatch>