ZyXEL Communications ZyWALL 300 User Manual

 Chapter 31 Content Filter Screens

ZyWALL USG 300 User’s Guide

Block web access when 
no policy is applied

Select this check box to stop users from accessing the Internet by default 
when their attempted access does not match a content filter policy. 

#

This column lists the index numbers of the content filter policies.

Address

A content filter policy applies to web access from the IP addresses listed 
here. any means the content filter policy applies to all of the web access 
requests that the ZyWALL receives from any IP address. 

Schedule 

This column displays the name of the schedule for each content filter policy. 
You can define different policies for different time periods. none means the 
content filter policy applies all of the time.

User

This column displays the individual or group to which this policy applies. any 
means the content filter policy applies to all of the web access requests that 
the ZyWALL receives from any user. 

Filter Profile

This column displays the name of the content filter profile that each content 
filter policy uses. The content filter profile defines to which web services, web 
sites or web site categories access is to be allowed or denied. 

Add

Click the Add icon at the top of the column to create a new content filter 
policy at the top of the list. 
The Active icon shows the entry is enabled. Click this icon to disable the 
entry.
The Inactive icon shows the entry is disabled. Click this icon to enable the 
entry.
Click the Edit icon to go to a screen where you can change the configuration 
settings of an entry.
Click the Remove icon to delete an entry from the list.
Click the Move to N icon, type a number in the move entry dialog box and 
press [ENTER] to move the entry to the numbered location.
Click a content filter policy’s Add icon to create a new content filter policy 
above the current line. All other entries below the new entry are pushed 
down.
The ordering of the content filter policies is important as they are used in the 
order they are listed. The ZyWALL checks requests for Web sessions 
against the list of content filter policies (starting from the first in the list). The 
ZyWALL’s content filter feature blocks or allows the Web session according 
to the first matching content filter policy and does not check any other 
content filter policies. The ZyWALL does not perform content filter on Web 
session requests that do not match any of the content filter policies.

Denied Access 
Message

Enter a message to be displayed when content filter blocks access to a web 
page. Use up to 255 characters (0-9a-zA-Z;/?:@&=+$\.-_!~*'()%,). For 
example, “Access to this web page is not allowed. Please contact the 
network administrator”.

Redirect URL

Enter the URL of the web page to which you want to send users when their 
web access is blocked by content filter. The web page you specify here 
opens in a new frame below the denied access message. 
Use “http://” followed by up to 255 characters (0-9a-zA-Z;/?:@&=+$\.-
_!~*'()%). For example, http://192.168.1.17/blocked access.

Table 146   Anti-X > Content Filter > General (continued)