Chapter 12 Content Filtering Screens

Table 58 SECURITY > CONTENT FILTER > Policy > General (continued)

LABEL

DESCRIPTION

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 is a tool for building dynamic and active web pages and

ActiveX

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

 

Any 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.

 

 

12.6 Content Filter Policy: External Database

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.

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ZyWALL 2 Plus User’s Guide