ZyXEL Vantage CNM User Guide - Page 210

Chapter 6 Device Security Settings Table 75 Device Operation > Device Configuration > Security > Content Filter > Object LABEL DESCRIPTION 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.badsite.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. 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. Add Click this button when you have finished adding the key words field above. Delete Select a keyword from the Keyword List, and then click this button to delete it from that list. Apply Click this to save your changes back to the device. Reset Click this to begin configuring this screen afresh. 6.15 Content Filtering Cache To open this screen, click a device, click Device Operation in the menu bar and then click Device Configuration > Security > Content Filter > Cache in the navigation panel. Use this screen to view and configure your device's URL caching. You can also configure how long a categorized web site address remains in the cache as well as view those web site addresses to which access has been allowed or blocked based on the responses from the external content filtering server. The device only queries the external content filtering database for sites not found in the cache. 210 Vantage CNM User's Guide