ZyXEL 2WG Guida Utente

Chapter 13 Content Filtering Screens

ZyWALL 2WG User’s Guide

Click SECURITY > CONTENT FILTER > Policy and then a policy’s external database 
icon to display the following screen.
Use this screen to edit which content categories the content filter policy blocks.

Restrict Web Features 

Select the check box(es) to restrict a feature. When you try to access a 

page containing a restricted feature, the whole page will be blocked or 

the restricted feature part of the web page will appear blank or grayed 

out. You will also see the message and URL you configured in the 

Denied Access Message and Redirect URL fields.

Block

ActiveX 

ActiveX is a tool for building dynamic and active web pages and 

distributed object applications. When you visit an ActiveX web site, 

ActiveX controls are downloaded to your browser, where they remain in 

case you visit the site again. 

Java Applet

Java is a programming language and development environment for 

building downloadable Web components or Internet and intranet 

business applications of all kinds.

Cookies

Cookies are files stored on a computer’s hard drive. Some web servers 

use them to track usage and provide service based on ID. 

Web Proxy

A server that acts as an intermediary between a user and the Internet to 

provide security, administrative control, and caching service. When a 

proxy server is located on the WAN it is possible for LAN users to 

circumvent content filtering by pointing to this proxy server. 

Address Setup

Address Type

Do you want the policy to apply to packets from a particular (single) IP, 

a range of IP addresses (for example 192.168.1.10 to 192.169.1.50), a 

subnet or any IP address? Select an option from the drop-down list box 

that includes: Single Address, Range Address, Subnet Address and 

Address.

Start IP Address

Enter the single IP address or the starting IP address in a range here. 

End IP Address

Enter the ending IP address in a range here.

Subnet Mask

Enter the subnet mask here, if applicable.

Add

Click Add to add a new address to the Configured Address box. You 

can add multiple addresses, ranges of addresses, and/or subnets.

Modify

To edit an existing source or destination address, select it from the box 

and click Modify.

Delete

Highlight an existing source or destination address from the 

Configured Address box and click Delete to remove it.

Apply

Click Apply to save your customized settings and exit this screen.

Cancel

Click Cancel to exit this screen without saving.

Table 78   SECURITY > CONTENT FILTER > Policy > General (continued)