76CHAPTER 7: CONTROLLING AND MONITORING WEB ACCESS

Configuring Web To configure Web Site Blocking using the Web interface:

Site Blocking

1Log in to the Web interface.

2Click Device View on the Toolbar.

3Select System -> Caching -> Web Site Blocking in the Navigation Tree.

4Check Enable Web Site Blocking.

5Select Deny Access to All Sites to deny access to all Web sites except the ones that you enter in the list, or select Enable Access to All Sites to allow access to all Web sites except those listed.

6In the Except the Following field, enter the domain name of the Web site you want to exclude from the option you chose in step 5 and click Add. Repeat this for each Web site that you want to block.

Example

You can enter yahoo.com to block access to that entire domain, or enter auctions.yahoo.com to block access to that subdomain.

Domain Name Rules

■You cannot enter a domain starting with http:.

■You cannot enter a domain containing the / (forward slash) character.

■You cannot enter a domain containing a space character.

■You cannot enter a domain starting or ending with a . (dot) character. The domain must start and end with a letter or number.

■The domain name can only contain the following characters:

■Uppercase A-Z and lowercase a-z

■Any digit 0-9

■Hyphen characters (-)

■The domain name must be at least 1 character long.

■The domain name must not exceed 63 characters long.

Customizing the You can modify the response screen that is automatically generated by

Responsethe Webcache when a client machine tries to access a Web site that is blocked. This allows you to enter additional information to make the response screen more user friendly. For example, you could add “Access