ZyWALL 5/35/70 Series User’s Guide

The following table describes the labels in this screen.

Table 91 Content Filter: Customization

LABEL

DESCRIPTION

 

 

Web Site List Customization

 

 

 

Enable Web site

Select this check box to allow trusted web sites and block forbidden web

customization

sites. Content filter list customization may be enabled and disabled

 

without re-entering these site names.

Disable all Web traffic except

When this box is selected, the ZyWALL only allows Web access to sites

for trusted Web sites

on the Trusted Web Site list. If they are chosen carefully, this is the

 

most effective way to block objectionable material.

Don't block Java/ActiveX/

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

Cookies/Web proxy to trusted

Cookies from sites on the Trusted Web Site list to the LAN. In certain

Web sites

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. You can enter

 

up to 32 entries.

Add Trusted Web Site

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”, etc.

Trusted Web Sites

This list displays the trusted web sites already added.

 

 

Add

Click this button when you have finished adding the host name in the

 

text field above.

Delete

Select a web site name from the Trusted Web Site List, and then click

 

this button to delete it from that list.

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. You can enter up to 32

 

entries.

Add Forbidden Web Site

Enter host names such as www.bad-site.com into this text field. Do not

 

enter the complete URL of the site – that is, do not include “http://”. All

 

subdomains are blocked. For example, entering “bad-site.com” also

 

blocks “www.bad-site.com”, “partner.bad-site.com”, “press.bad-

 

site.com”, etc.

Forbidden Web Sites

This list displays the forbidden web sites already added.

 

 

Add

Click this button when you have finished adding the host name in the

 

text field above.

Delete

Select a web site name from the Forbidden Web Site List, and then

 

click this button to delete it from that list.

Keyword Blocking

Keyword Blocking allows you to block websites with URLs that contain

 

certain keywords in the domain name or IP address.

 

Note: See Section 16.6 on page 286 for how to set how

 

much of the URL the ZyWALL checks.

Block Web sites which

Select this checkbox to enable keyword blocking.

contain these keywords.

 

Add Keyword

Enter a keyword (up to 31 printable ASCII characters) to block. You can

 

also enter a numerical IP address.

Keyword List

This list displays the keywords already added.

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Chapter 16 Content Filtering Screens