ZyXEL Communications ZYWALL 35 User Manual page 324

Chapter 16 Content Filtering Screens
Table 91 SECURITY > CONTENT FILTER > General
LABEL
Matched Web Pages
Unrated Web Pages
When Content Filter
Server Is Unavailable
Content Filter Server
Unavailable Timeout
Enable Report Service
License Status
324
DESCRIPTION
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 option to record content filtering reports on myZyXEL.com. These
reports consist of generated statistics and charts of access attempts to web
sites belonging to the categories you selected in your content filter
configuration. Click Report to go to myZyXEL.com. Then do the following to
view the content filtering reports (see
1. Log into myZyXEL.com to view a list of registered devices.
2. Click your device's link to show content filtering reports for your ZyWALL
This read-only field displays the status of your category-based content
filtering (using an external database) service subscription.
License Inactive displays if you have not registered and activated the
category-based content filtering service.
License Active and the subscription expiration date display if you have
registered the ZyWALL and activated the category-based content filtering
service.
Trial Active and the trial subscription expiration date display if you have
registered the ZyWALL and activated the category-based content filtering
service.
License Inactive and the date your subscription expired display if your
subscription to the category-based content filtering service has expired.
Note: After you register for content filtering, you need to wait
up to five minutes for content filtering to be activated.
See Section 17.1 on page 343
content filtering activation.
Chapter 17 on page 343 for details).
for how to check the
ZyWALL 5/35/70 Series User's Guide