Use Text Strings To Identify Ads To Block Or Permit - Symantec Norton Personal Firewall 2003 User Manual

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Use text strings to identify ads to block or permit

You can control whether Norton Personal Firewall displays specific ads by
creating a list of text strings that identify individual ad banners. Ad
Blocking strings are sections of
address matches the text string, Norton Personal Firewall automatically
blocks the file.
Norton Personal Firewall provides a predefined (Defaults) Ad Blocking list
that is used to determine which images should be blocked when displaying
Web pages.
When Ad Blocking is enabled, all Web pages are scanned for the HTML
strings specified in the (Defaults) list. Norton Personal Firewall looks for
the blocked strings within HTML tags that are used to present advertising.
The HTML structures that contain matching strings are removed from the
page by Norton Personal Firewall before the page appears in the Web
browser.
In the Security Center, double-click Ad Blocking.
In the Ad Blocking window, ensure that Enable Ad Blocking is
checked.
Click Open the Ad Trashcan.
The Ad Trashcan window appears.
With the windows arranged so that you can see both the
advertisement and the Ad Trashcan window, do one of the following:
If you are using Microsoft Internet Explorer, drag the unwanted
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ad from the Web site to the Ad Blocking dialog box.
If you are using Netscape, right-click the advertisement, then
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click Copy Image Location. In the Ad Trashcan, click Paste.
The address for the advertisement appears in the Ad Details line
of the Ad Trashcan dialog box.
Select one of the following:
Add: Block this address.
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Modify: Change the entry before adding it to the Ad Blocking list.
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For example, if the advertisement address is
http://www.advertise.org/annoying/ads/numberone.gif, you
could change it to http://www.advertise.org/annoying/ads/ to
block everything in the ads directory.
Click OK.
Blocking Internet advertisements
Use text strings to identify ads to block or permit
HTML
addresses. If any part of a file's
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