Chapter 12
HTTP and FTP filtering
168
Warning
Definition of forbidden words and treshold value is ineffective unless corresponding URL rules
are set!
Definition of rules filtering by word occurrence
First, suppose that some forbidden words have been already defined and a treshold value has
been set (for details, see below).
On the
URL Rules
tab under
Configuration
→
Content Filtering
→
HTTP Policy
, create a rule (or
a set of rules) to allow access to the group of web pages which will be filtered by forbidden
words. Go to the
Content Rules
tab under
HTTP Rule
to enable the web content filter.
Take a rule that will filter all web sites by occurrence of forbidden words as an example.
•
On the
General
tab, allow all users to access any web site.
Figure 12.10
A rule filtering web pages by word occurrence (allow access)
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