ZyXEL Communications 2 Plus manual 226

Chapter 12 Content Filtering Screens

Table 56 SECURITY > CONTENT FILTER > General

LABEL	DESCRIPTION
Matched Web Pages	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.
Unrated 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.
When Content Filter	Select Block to block access to any requested web page if the external
Server Is Unavailable	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.
Content Filter Server	Specify a number of seconds (1 to 30) for the ZyWALL to wait for a response
Unavailable Timeout	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.
Enable Report Service	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 Chapter 13 on page 245 for details).
	1. Log into myZyXEL.com and click your device’s link to open it’s Service
	Management screen.
	2. Click Content Filter in the Service Name field to open the Blue Coat
	login screen.
	3. Enter your ZyWALL's MAC address (in lower case) in the Name field.
	You can find this MAC address in the Service Management screen
	(Figure 161 on page 247). Type your myZyXEL.com account password
	in the Password field and click Submit.
External Database
Service License Status

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	ZyWALL 2 Plus User’s Guide