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Internet Explorer: Choose Tools,
Internet Options. Under the General tab, click Settings
in the 'Temporary Internet files' area. In the Settings dialog box,
choose View Files to open a folder window that displays your
browser cookies and cached Web sites. To see just the cookies, click
the Name column, and then scroll down to the files starting
with 'Cookie:'. To delete a cookie, simply right-click it and choose
Delete. When you're done, close the folder window. To remove
all your cookies, click Tools, Internet Options, select the
General tab, and choose the Delete Cookies button. To
block only third-party cookies, choose the Privacy tab and
move the slider to the level that suits you. The Medium High
setting lets me browse the Web normally without endless IE
interruptions that ask if I want to accept a particular site's
cookie. Click Sites to add the addresses of the sites whose
cookies you want to block (or allow) always. When you finish, click
OK twice. Note that the cookies set by sites on your 'Always
allow cookies from' list will also get the boot when you delete all
in IE, Firefox, and Opera.
Firefox: The Mozilla Foundation's
browser comes with a handy self-destruct button labeled Clear
Private Data that erases all your personal info at once. But
the program also gives you finer-grained control over cookie
behavior: Choose Tools, Options, select Privacy in the
topmost panel, and click Cookies. To block third-party
cookies used by ad networks, check the box next to for the
originating site only. To specify sites whose cookies you want
to allow or block, click Exceptions, enter their URLs in the
'Address of web site' field, and click either Block or
Allow. When finished, click Close.
Firefox's convenient cookie view lets you
browse, search, and delete individual cookies: Click the View
Cookies button under the Privacy tab in the Options dialog box.
To search for cookies containing specific text, type the term into
the Search field, or browse to and expand individual site addresses
to reveal their related cookies. Select the cookies you want
to delete and then click Remove Cookie, or click Remove
All Cookies to annihilate the entire batch. Click Close
when your cookie cleanup is complete.
Opera: This browser makes it easy to
remove your Web surfing traces. Like Firefox and IE, however, Opera
also allows you to control cookies one at a time: Choose Tools,
Preferences, select Advanced, and click Cookies in
the left pane. To block third-party cookies, choose Refuse all
cookies in the drop-down menu under 'Third party cookies'. Check
Delete new cookies when exiting Opera to prevent the browser
from saving new cookies that sites create during that session. This
transforms all new cookies into session cookies, so it prevents ad
networks from tracking your movements online.
To delete cookies individually, click
Manage cookies under the Advanced tab in the Preferences dialog
box, and either use the search field at the top of the window to
find a specific cookie or browse the folders by Web site. As in
Firefox, you must click each site's folder icon to display its
cookies, which you can edit or delete by clicking the appropriate
button.
You can block all cookies for a specific
site, too (the default is to accept them): Select the site's folder
(rather than the cookies under it), click Edit, and uncheck
Use defaults for normal cookies, Accept cookies for
server/domain, and/or Accept third party cookies for
server/domain. When you're done, click OK, Close,
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