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Page 541 / 944 Scroll up to view Page 536 - 540
Chapter 32 Content Filtering
ZyWALL USG 50 User’s Guide
541
See
Chapter 33 on page 557
for how to view content filtering reports.
Figure 314
Configuration > Anti-X > Content Filter > Filter Profile > Add
Page 542 / 944
Chapter 32 Content Filtering
ZyWALL USG 50 User’s Guide
542
The following table describes the labels in this screen.
Table 162
Configuration > Anti-X > Content Filter > Filter Profile > Add
LABEL
DESCRIPTION
License Status
This read-only field displays the status of your content-filtering
database service registration.
Not Licensed
displays if you have not successfully registered
and activated the service.
Expired
displays if your subscription to the service has expired.
Licensed
displays if you have successfully registered the
ZyWALL and activated the service.
After you register for content filter, you can see
Chapter 32 on
page 540
for how to use the
Test Against Web Filtering
Server
button. When the content filter is active, you should see
the web page’s category. The query fails if the content filter is
not active.
You can view content filter reports after you register the
ZyWALL and activate the subscription service in the
Registration
screen (see
Chapter 33 on page 557
).
License Type
This read-only field displays what kind of service registration
you have for the content-filtering database.
None
displays if you have not successfully registered and
activated the service.
Standard
displays if you have successfully registered the
ZyWALL and activated the standard content filtering service.
Trial
displays if you have successfully registered the ZyWALL
and activated the trial service subscription.
Name
Enter a descriptive name for this content filtering profile name.
You may use 1-31 alphanumeric characters, underscores(
_
), or
dashes (-), but the first character cannot be a number. This
value is case-sensitive.
Enable Content Filter
Category Service
Enable external database content filtering to have the ZyWALL
check an external database to find to which category a
requested web page belongs. The ZyWALL then blocks or
forwards access to the web page depending on the configuration
of the rest of this page.
Page 543 / 944
Chapter 32 Content Filtering
ZyWALL USG 50 User’s Guide
543
Action for Unsafe Web
Pages
Select
Pass
to allow users to access web pages that match the
unsafe categories that you select below.
Select
Block
to prevent users from accessing web pages that
match the unsafe categories that you select below. When
external database content filtering blocks access to a web page,
it displays the denied access message that you configured in the
Content Filter General
screen along with the category of the
blocked web page.
Select
Warn
to display a warning message before allowing
users to access web pages that match the unsafe categories
that you select below.
Select
Log
to record attempts to access web pages that match
the unsafe categories that you select below.
Action for Managed
Web Pages
Select
Pass
to allow users to access web pages that match the
other categories that you select below.
Select
Block
to prevent users from accessing web pages that
match the other categories that you select below. When
external database content filtering blocks access to a web page,
it displays the denied access message that you configured in the
Content Filter General
screen along with the category of the
blocked web page.
Select
Log
to record attempts to access web pages that match
the other categories that you select below.
Action for Unrated Web
Pages
Select
Pass
to allow users to access web pages that the
external web filtering service has not categorized.
Select
Block
to prevent users from accessing web pages that
the external web filtering service has not categorized. When the
external database content filtering blocks access to a web page,
it displays the denied access message that you configured in the
Content Filter General
screen along with the category of the
blocked web page.
Select
Warn
to display a warning message before allowing
users to access web pages that the external web filtering
service has not categorized.
Select
Log
to record attempts to access web pages that are not
categorized.
Table 162
Configuration > Anti-X > Content Filter > Filter Profile > Add (continued)
LABEL
DESCRIPTION
Page 544 / 944
Chapter 32 Content Filtering
ZyWALL USG 50 User’s Guide
544
Action When Category
Server Is Unavailable
Select
Pass
to allow users to access any requested web page if
the external content filtering database is unavailable.
Select
Block
to block access to any requested web page if the
external content filtering database is unavailable.
Select
Warn
to display a warning message before allowing
users to access any requested web page if the external content
filtering database is unavailable.
The following are possible causes for the external content
filtering server not being available:
•
There is no response from the external content filtering
server within the time period specified in the
Content Filter
Server Unavailable Timeout
field.
•
The ZyWALL is not able to resolve the domain name of the
external content filtering database.
•
There is an error response from the external content filtering
database. This can be caused by an expired content filtering
registration (External content filtering’s license key is
invalid”).
Select
Log
to record attempts to access web pages that occur
when the external content filtering database is unavailable.
Content Filter Category
Service Timeout
Specify a number of seconds (1 to 60) for the ZyWALL to wait
for a response from the external content filtering server. If there
is still no response by the time this period expires, the ZyWALL
blocks or allows access to the requested web page based on the
setting in the
Block When Content Filter Server Is
Unavailable
field.
This setting applies to all of your content filtering profiles.
Select Categories
Select All Categories
Select this check box to restrict access to all site categories
listed below.
Clear All Categories
Select this check box to clear the selected categories below.
Unsafe Categories
These are categories of web pages that are known to pose a
threat to users or their computers.
Phishing
This category includes pages that are designed to appear as a
legitimate bank or retailer with the intent to fraudulently
capture sensitive data (i.e. credit card numbers, pin numbers).
Table 162
Configuration > Anti-X > Content Filter > Filter Profile > Add (continued)
LABEL
DESCRIPTION
Page 545 / 944
Chapter 32 Content Filtering
ZyWALL USG 50 User’s Guide
545
Spyware/Malware
Sources
This category includes pages which distribute spyware and other
malware. Spyware and malware are defined as software which
takes control of your computer, modifies computer settings,
collects or reports personal information, or misrepresents itself
by tricking users to install, download, or enter personal
information. This includes drive-by downloads; browser
hijackers; dialers; intrusive advertising; any program which
modifies your homepage, bookmarks, or security settings; and
keyloggers. It also includes any software which bundles
spyware (as defined above) as part of its offering. Information
collected or reported is "personal" if it contains uniquely
identifying data, such as e-mail addresses, name, social security
number, IP address, etc. A site is not classified as spyware if the
user is reasonably notified that the software will perform these
actions (that is, it alerts that it will send personal information,
be installed, or that it will log keystrokes). Note: Sites rated as
spyware should have a second category assigned with them.
Spyware Effects/
Privacy Concerns
This category includes pages to which spyware (as defined in
the Spyware/Malware Sources category) reports its findings or
from which it alone downloads advertisements. Also includes
sites that contain serious privacy issues, such as “phone home”
sites to which software can connect and send user info; sites
that make extensive use of tracking cookies without a posted
privacy statement; and sites to which browser hijackers redirect
users. Usually does not include sites that can be marked as
Spyware/Malware. Note: Sites rated as spyware effects typically
have a second category assigned with them.
Managed Categories
These are categories of web pages based on their content.
Select categories in this section to control access to specific
types of Internet content.
You must have the standard content filtering license to filter
these categories.
Adult/Mature Content
This category includes pages that contain material of adult
nature that does not necessarily contain excessive violence,
sexual content, or nudity. These pages include very profane or
vulgar content and pages that are not appropriate for children.
Pornography
This category includes pages that contain sexually explicit
material for the purpose of arousing a sexual or prurient
interest.
Sex Education
This category includes pages that provide graphic information
(sometimes graphic) on reproduction, sexual development, safe
sex practices, sexuality, birth control, and sexual development.
It also includes pages that offer tips for better sex as well as
products used for sexual enhancement.
Intimate Apparel/
Swimsuit
This category includes pages that contain images or offer the
sale of swimsuits or intimate apparel or other types of
suggestive clothing.
It does not include pages selling
undergarments as a subsection of other products offered.
Table 162
Configuration > Anti-X > Content Filter > Filter Profile > Add (continued)
LABEL
DESCRIPTION

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