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Real time web site scanning and blocking.
eScan scans accessed web sites in real time. When words related
to pornography, gambling or custom words you specify are detected in
a web site the site is blocked. A message is displayed that
gives reasons for blocking the site.
The screen below shows a typical message that is displayed
when a web site is blocked as it has pornographic related contents.
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Block web sites based on predefined keywords
eScan allows you to control
access to web sites. You can specify words and phrases like xxx,
porn, adults only, poker, etc. that occur in porn and gambling
sites. If the accessed site contains such words, it is blocked
and not allowed to display on your system. The following points
are explained.
Category: Category carries related group of web
sites. Access to all web sites that are defined in a category
can be either blocked or allowed. For e.g. the category 'Pornography'
will have web sites related to porn. You can block or allow
access to sites that occur in this category. Categories like
pornography and gambling have been created with a block status.
You can create user defined categories.
The next step is adding words related to the category.
Words/Phrases: You can add to the list of words
that relate to a category. For e.g. for porn category, you can
add words like babes, xxx, etc. If the category Pornography
is blocked then eScan blocks any site that has words like babes,
xxx, etc.
Everyday about 500 sites related to porn are added to the Internet.
To avoid detection, some of the sites are also renamed. This
feature ensures that when a site with such words in the content,
keywords, script and tags occurs, access to the site is automatically
blocked even though it has been renamed.
Site Names: Some well-known sites like playboy,
hustler, etc. do not change names. You can specify such sites
and access to them is blocked outright.
The feature is found in eScan Content Administrator > Webpage Scanning > Filter Categories (Frame)
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Block web sites using IP Address
Web sites can be accessed by entering their IP (Internet Protocol)
number. The software is able to translate the IP number
to its web site name and block access if it contains restricted
words or is on the banned list.
For e.g. www.sex-circus.com can be accessed through its IP,
http://198.63.10.71 when you use common Content Security software.
eScan is able to translate the IP to its URL
and block it.
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Block PopUp ads/Java applets/Scripts/Cookies/Content like images,
movies, video, and application
eScan allows system administrators to block images, applications,
audio and video files, popup ads, cookies, etc. from an accessed
web site.
This feature is found in eScan Content Administrator >Webpage Scanning > Advanced (Button)
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Set Restricted Words threshold level
Restricted words like babe, sex, etc. can be found in legitimate
sites. Refer to the screen shown below. The slider bar allows
you to set the threshold value for restricted words. The bar
is by default set at value 3. In a web site, if any three words
from the list appear as a combination, for more times than set
in the threshold value, the site is blocked. This ensures that
legitimate sites are displayed and only sites related to porn
are blocked.
This feature is found in eScan Content Administrator > Webpage Scanning > Advanced (Button)
The feature is marked in red in the following screen
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