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Content Matching
After a list of restricted words is made, the software should
automatically, search for such words in the accessed site. But
content matching feature should be intelligent enough to differentiate
between a porn site and a medical site that gives anatomical
reference of a human body.
Words occurring in the following areas of the web page should
be detected and denied access to:
- Site Name
- HTML Tags
- Page Title
- Page text or body
- Page description and keywords
Threshold Level setting bar
Restricted words like babe, sex, etc. can be found in legitimate
sites. In Figure 1, you created a list of restricted words.
In a website, if any three words from the list appear as a combination,
more times than set as the threshold value, the site is blocked.
The Threshold level bar allows you set the threshold value number.
Following is the screen shot of eScan email and Web Filter,
the top selling Content Security software that has features
of Advanced Control.
Click on the image for bigger view
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Block Options
The software should allow you to choose options for blocking
a website as given below:
- Block Images: Images on web pages are not displayed.
- Block Applications: Block applications like .exe
files that can be run on your machine.
- Block Audio: Audio or sound files on websites are
not played.
- Block Video: Movies on web sites are not allowed
to run.
Active Control Blocking
Some web sites embed objects like Applets and Scripts, in
your browser when you access their WebPages. The software should
allow you to bar this action.
Safe Net Use Rating
Restricted words like babe, sex, etc. can be found in legitimate
For safe net surfing, organizations like RSCAi, ICRA, SafeSurf,
etc., rate sites based on the language, Nudity, Sex and Violence.
Your employees should access only sites rated as per your requirements,
by these organizations.
The software should allow you to choose a rating agency and
further fine tune access options for Language, Nudity, Sex
and Violence.
Click on the image for bigger view
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Control e-mail
E-mails have become one of the prime sources for Internet
Abuse. Offensive mails can be sent and received from your
network. This section of the white paper addresses various
issues regarding e-mail abuse like Spam and Attachments.
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