ZyXEL Communications ZyWALL 5 User Manual page 166

ZyWALL 5 Internet Security Appliance
LABEL
Matched Web Pages
Unrated Web Pages
When Content Filter Server
Is Unavailable
Content Filter Server
Unavailable Timeout
Select Categories
Select All Categories
Clear All Categories
Adult/Mature Content
Pornography
Sex Education
Intimate Apparel/Swimsuit
11-6
Table 11-2 Content Filter : Categories
Select Block to prevent users from accessing web pages that match the
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 prohibited web pages.
Select Block to prevent users from accessing web pages that the external
database content filtering 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 Log to record attempts to access web pages that are not categorized.
Select Block to block access to any requested web page if the external content
filtering database is unavailable. The following are possible causes:
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.
Specify a number of seconds (1 to 30) 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.
Select this check box to restrict access to all site categories listed below.
Select this check box to clear the selected categories below.
Selecting this category excludes 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.
Selecting this category excludes pages that contain sexually explicit material for
the purpose of arousing a sexual or prurient interest.
Selecting this category excludes 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.
Selecting this category excludes 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.
DESCRIPTION
Content Filtering Screens