how to get RSS feeds out of wallgarden site

Hi all,

I am using my site in wallgarden mode.. I want get and show the RSS feeds of one group and activity page to another website..

since site is in walled garden mode RSS feed URL is not working (

I have even added activity?view=rss to the public pages like

    $return_value[] = 'action/profile_manager/register/validate';

    $return_value[] = 'activity?view=rss';

but its not working...

how to make RSS feed to work in wallgarden mod?