Computer Defense Strategy
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Although most cookies are harmless but some may furnish web sites with more information than you wish to reveal. Set your system to allow only cookies that you approve, and then only approve cookies from trusted sites that you revisit often. It may be nuisance to have to approve or disapprove cookies all the time, but it helps keep you protected.
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 (see Figure 2). When you're done, click OK, Close, OK.
Your internet browser keeps track of all the websites you visit and stores them in the history file. That is how it is able to auto-complete sites when you type them in. Adware will often use your history file in determining which ads to display, so clear the history regularly.
To erase all entries from the History list, choose Tools, Preferences, Advanced, History, and click Clear next to 'Visited addresses'. To wipe out the browser's download history, press <Ctrl><Alt> T, right-click a downloaded file, and click either Remove transfer or Remove all finished (to clear all completed downloads from the list.