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Windows Vista Security: Praxisorientierte Sicherheit für Profis by Marcus Nasarek

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Chapter 7: Navigating the Web with Internet Explorer 7
To clear out your browsing history, complete these steps:
1. Close all Internet Explorer windows. Click Start
Control Panel Network and
Internet
Internet Options.
2. On the General tab, click Delete under Browsing History. This displays the
Delete Browsing History dialog box shown in Figure 7-18.
3. Delete individual types of temporary Internet files by clicking the related but-
tons. When prompted, click Yes to confirm the action.
4. Click “Delete all” to clear out your entire browsing history, including temporary
Internet files, cookies, the history list, form data, and passwords. When prompted,
select “Also delete files and settings stored by add-ons” to delete temporary files
and settings created by browser add-ons. Click Yes to confirm the action.
Blocking Pop Ups
Some web pages contain pop ups. A pop up is a subwindow that is displayed when
you access a web page. Sometimes pop ups appear on top of the browser window;
other times they appear under the browser window. Because most pop ups contain
ads or are otherwise unwanted content, Internet Explorer blocks most types of pop
ups it recognizes by default in all security zones, except the Local Intranet zone. This
Figure 7-17. Configuring cookie settings for the Internet zone
Protecting Your Computer While Browsing
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231
means Internet Explorer uses the Pop-up Blocker when you are browsing sites on the
public Internet, trusted sites, and restricted sites, but does not use the Pop-up
Blocker when you access sites on your local network.
By default, when a pop up is blocked, Internet Explorer displays a message on the Infor-
mation bar stating this. If you right-click the Information bar and select “Allow pop-up
to display,” Internet Explorer will display the pop up. Alternatively, if you right-click the
Information bar and select “Allow all pop-ups for this site,” Internet Explorer will con-
figure the site as an Allowed Site, and all pop ups for the site will then be displayed.
You can enable or disable pop-up blocking by completing the following steps:
1. In Internet Explorer, click Tools
Internet Options. This displays the Internet
Options dialog box.
2. On the Privacy tab, select the “Turn on Pop-up Blocker” checkbox to enable the
Pop-up Blocker, or clear the “Turn on Pop-up Blocker” checkbox to disable the
Pop-up Blocker.
With pop-up blocking enabled, you can configure the way the Pop-up Blocker works
by completing the following steps:
1. In Internet Explorer, click Tools
Internet Options. This displays the Internet
Options dialog box.
2. On the Privacy tab, select Settings under Pop-up Blocker. This displays the Pop-
up Blocker Settings dialog box shown in Figure 7-19.
Figure 7-18. Deleting your browsing history
232
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Chapter 7: Navigating the Web with Internet Explorer 7
3. You can use these options to add or remove allowed sites:
Add
To allow a site’s pop ups to be displayed, type the address of the site in the
field provided, such as
www.msn.com, and then click Add. This site is then
permitted to use pop ups regardless of Internet Explorer settings.
Remove
To remove a site that is currently allowed to display pop ups, click the site
address and then click Remove.
Remove All
To remove all sites that are currently allowed to display pop ups, click
Remove All. When prompted to confirm the action, click Yes.
4. To stop playing a sound when a pop up is blocked, clear “Play a sound when a
pop-up is blocked.”
Figure 7-19. Configuring Pop-up Blocker settings

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