A security zone's Security Settings dialog box is the heart of the security zone. You'll notice a long list of items that you can adjust to your preference. The items fall into seven categories: Active X controls and plugins, Cookies, Downloads, Java, Miscellaneous, Scripting, and User Authentication. The following list outlines the items found in each category:
ActiveX Controls and Plugins
Download signed ActiveX controls
Download unsigned ActiveX controls
Initialize and script ActiveX controls not marked as safe