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How to Block Cookies

The main browser types are listed below. If you have a different browser type, please refer to the 'Help' file or your handbook.

Windows PC

Internet Explorer 7.0

Choose Tools and then Internet Options

Click the Privacy tab

Move the slider to choose your preferred settings.

For more specialized cookie settings, click on "Advanced"

Internet Explorer 6.0

Choose Tools and then Internet Options

Click the Privacy tab

Move the slider to choose your preferred settings

The default setting is medium and the menu allows you to select the level of "filtering" on the basis of (a) the source of the cookie and (b) whether the source has a privacy policy

For more specialized cookie settings click on "Advanced"

Mozilla Firefox 3.0

Click on the "Tools Firefox Edit" Menu

Select Options

Select Preferences

Select the Privacy panel and choose your preferred settings

Mozilla Firefox 2.0

Click on Tools, then Options (or Edit | Preferences on Linux)

Select the Privacy icon in the left-hand panel

Click on Cookies.

Choose your preferred settings.

Note that the option to block third-party cookies has been removed from Firefox 2's user interface. Firefox 2 users who wish to limit allowed cookies to those set by the originating website can use about:config to modify the preference network.cookie.cookieBehavior to "1". To modify this property simply type "about:config" (without quotes) in the Location Bar, press Enter and modify the value in the resulting page.

Other options for the network.cookie.cookieBehavior preference are set out below:

"0" All cookies are allowed. (Default)
"1" Only cookies from the originating server are allowed.
"2" No cookies are allowed.

Netscape Navigator 7

Choose Preferences from the Edit menu.

Select Privacy & Security, then select Cookies.

Choose your preferred settings.

Netscape Navigator 6

Choose Preferences from the Edit menu.

Select Privacy & Security, then select Cookies.

Choose your preferred settings.

Opera

Click on the File menu on the Opera tool bar

Go to Preferences at the bottom of the File menu

Click Privacy and select one of the available options

Safari 1.0 (MacOS X)

Choose Preferences from Safari menu

Select Security icon

Cookie settings are shown in window

Choose your preferred settings