How to reproduce

• Create a filtered contents services with contents in restricted pages
• Activate the RSS feeds
• Go to the page on front office
• Log with a FO user
• Click on RSS feed

Current behavior

• The RSS feed contains the private contents
• The RSS feed is store in cache with the private contents
• A anonymous FO user can see the private contents clicking on RSS feed

Excepted behavior
The RSS feed should not take into account the user access, or it should not be stored in cache.