- What are cookies?
Cookies are information that is transferred from a website to your computer through the web browser.
There are three types of cookies:
- Persistent Cookie – Cookie remains on your computer after the web browser is closed.
- Session Cookie – Cookie is removed from your computer after the web browser is closed.
- Flash Cookie – Persistent cookie used by Adobe Flash.
- Where do cookies come from?
Cookies come from either first-party or third-party sources.
- First-party Cookie – A cookie downloaded to your computer directly from the website you are visiting. For instance, DIR may download a cookie to your machine when you submit information via a web-based form for online registrations or in response to a survey.
- Third-party Cookie – A cookie downloaded to your computer from a website other than the website you are visiting. Third-party cookies are often used to deliver advertising. DIR does not implement third-party cookies on its websites.
- How can cookies be managed on Mozilla Firefox version 3.5.5 or later?
Firefox includes built-in tools for managing persistent cookies. Optional add-ons are available for managing both Flash and persistent cookies. Go to Tools->Add-ons to display the Add-ons dialog box. This dialog includes a search tool for listing available add-ons.
To delete existing cookies select Tools->Clear Recent History. In the Clear Recent History dialog box, check Cookies then select the Clear Now button.
To manage future cookies select Tools->Options. In the Options dialog box select Privacy (top section of the dialog) and uncheck both “Accept cookies from sites” and “Accept third-party cookies.”
The Privacy page within the Options dialog includes a button titled Show Cookies, which lists every cookie currently installed on your computer and includes buttons for managing cookie installation.
- How can cookies be managed on Internet Explorer version 7 or later?
Internet Explorer includes built-in tools for managing persistent cookies.
Select Tools->Internet Options. In the Internet Options dialog box, select the Privacy tab. This page includes a slider bar that provides six options for various levels of cookie management for all websites: Block All Cookies, High, Medium, Low, and Accept All Cookies. Select the appropriate level for desired cookie management.
Specific websites can be uniquely managed by selecting the Sites button. The Advanced button will override existing cookie management.
See Restricting Flash Cookies (below) for information on managing Flash cookies on IE.
- How can cookies be managed on Safari for Mac version 1.3.2 or later?
Select Safari->Preferences. In the Preferences dialog box, select Security. In the Accept Cookies section, choose the desired method for Safari to process cookies.
- How can Adobe Flash cookies be restricted?
Use the Global Privacy Settings panel from the Adobe Flash Player Settings Manager website to manage the installation of Flash cookies. The Global Privacy Settings panel is a six-tab tool for managing cookie installation and other privacy settings.