Chapter 32 Content Filtering

Table 163 Configuration > Anti-X > Content Filter > Filter Profile > Customization

LABEL

DESCRIPTION

Allow Web traffic for

When this box is selected, the ZyWALL blocks Web access to

trusted web sites only

sites that are not on the Trusted Web Sites list. If they are

 

chosen carefully, this is the most effective way to block

 

objectionable material.

 

 

Restricted Web Features

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

 

download a page containing a restricted feature, that part of

 

the web page will appear blank or grayed out.

 

 

Block

ActiveX is a tool for building dynamic and active web pages

ActiveX

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

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.

 

 

Allow Java/ActiveX/

When this box is selected, the ZyWALL will permit Java,

Cookies/Web proxy to

ActiveX and Cookies from sites on the Trusted Web Sites list

trusted web sites

to the LAN. In certain cases, it may be desirable to allow Java,

 

ActiveX or Cookies from sites that are known and trusted.

 

 

Trusted Web Sites

These are sites that you want to allow access to, regardless of

 

their content rating, can be allowed by adding them to this

 

list.

 

 

Add

Click this to create a new entry.

 

 

Edit

Select an entry and click this to be able to modify it.

 

 

Remove

Select an entry and click this to delete it.

 

 

Trusted Web Site

This column displays the trusted web sites already added.

 

Enter host names such as www.good-site.com into this text

 

field. Do not enter the complete URL of the site – that is, do

 

not include “http://”. All subdomains are allowed. For

 

example, entering “zyxel.com” also allows “www.zyxel.com”,

 

“partner.zyxel.com”, “press.zyxel.com”, and so on. You can

 

also enter just a top level domain. For example, enter .com to

 

allow all .com domains.

 

Use up to 63 characters (0-9a-z-). The casing does not matter.

 

 

Forbidden Web Site List

Sites that you want to block access to, regardless of their

 

content rating, can be allowed by adding them to this list.

 

 

Add

Click this to create a new entry.

 

 

Edit

Select an entry and click this to be able to modify it.

 

 

Remove

Select an entry and click this to delete it.

 

 

554

 

ZyWALL USG 50 User’s Guide