RewriteEngine On

# Deliver literal files as-is
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l

RewriteRule (.*) index.php?route=$1&htaccess=1 [L,QSA]
RewriteRule ^/?$ index.php?route=$1&htaccess=1 [L,QSA]

#DirectoryIndex index.php?htaccess=1
DirectoryIndex disabled