If you've ever browsed through the settings for Internet Explorer, you might have run across Content Advisor, a feature in IE that lets you block site content by various rating levels. By default, IE uses the ratings defined by the Recreational Software Advisory Council (RSAC), which folded into the Internet Content Rating Association (ICRA) in 1999.

While RSAC no longer exists, IE's Content Advisor feature does, and many people use it as one method for blocking objectionable content. To accommodate site visitors who use Content Advisor, you can configure your Web site with the appropriate ratings.

To configure content ratings for IIS, follow these steps:

1. Open the IIS console from the Administrative Tools folder, and open the properties for the site.

2. On the HTTP Headers tab, click Edit Ratings to open the Content Ratings dialog box.

3. On the Ratings tab, select the Enable Ratings option for this resource.

4. In the Category list, click a category, and use the Rating slide-bar to choose a value based on the content of your site. Repeat the process for each category.

5. Enter your e-mail address in the provided field, set an expiration date for the content ratings, and click OK.

If you want to configure the site to also use the ICRA rating system, you must do so via the organization's Web site. Note that IE users must download and install a ratings file for ICRA and configure IE to use the ratings system.