3Com Web Site Filter 147days. In addition to the sites included in the Web Site Filter you canmanually customize the list. See “3Com Web Site Filter” on page 147. Websense Enterprise filtering enables your Webcache to interoperatewith a Websense Enterprise server on your network. Each Webrequest that arrives at the Webcache is sent to the Websense server todetermine whether the request should be allowed or denied. Thisserver must be administered separately to the Webcache. See“Websense Enterprise Filtering” on page 155. Manual Content Filtering requires you to enter IP addresses, DomainNames and Keywords to determine what Web sites can be accessed.By setting up Allow and Deny Lists, Filtering Exclusions, KeywordBlocking and Web Client Blocking, you can control Internet access inyour organisation. See “Manual Content Filtering” on page 157.3Com Web SiteFilterThe 3Com Web Site Filter (3C16118) provides the Webcache withadvanced Content Filtering capabilities. It provides your Webcache with acontent filter list containing millions of Web sites, each assigned toappropriate categories, that might be deemed unsuitable for businessuse. The latest Web Site Filter can be downloaded on a user scheduled,regular basis.If you are using the Web Site Filter and your Webcache fails, you cantransfer the Web Site Filter license to a replacement Webcache. You mustfirst raise a Return Materials Authorization (RMA) with 3Com for yourfailed Webcache. This will release any registered Web Site Filter licensekeys allowing you to re-register them against the replacement product.See “Returning Products for Repair” on page 305.With the Web Site Filter loaded onto the Webcache, you can determinewhich Web site categories are made accessible to the organisation bysetting up a filtering policy. A filtering policy not only determines whichWeb sites are filtered but also specifies the time of day and days of theweek when the filtering is applied to suit the needs and requirements ofthe organisation.When you configure your Webcache to use Manual Filtering or the 3ComWeb Site Filtering service, the Websense Enterprise filtering commandson the Webcache are disabled.dua1611-5aaa04.book Page 147 Friday, November 29, 2002 8:56 PM
