I want the forum to go to www.example.com if they go to example.com. This will make for a more consistent user experience and for better SEO.
Yet, I put this into my htaccess it didn't help.
RewriteCond %{HTTP_HOST} !^$
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteCond %{HTTPS}s ^on(s)|...