When implementing external facing sites, it is critical that administrators be aware of what users can do under given conditions.
A common scenario on a site is to have a blog or article page and then have a comments section below it. In the SharePoint terminology, this implies that anonymous users can write back to a list. Think about this, a viewer of your site has the ability to add an item to a list (in the form of a comment).
By default, if the root site is a blog site, anonymous users can add comments. However, if a site collection is based on the publishing portal, they will not be able to add comments or articles to a blog that lives under the site collection.
In this recipe, we will see how to ...