TRITON - Web Security Help, Version 7.7 - Websense

Internet Usage FiltersOnly Websense-defined protocols with dynamically-assigned port numbers can beblocked as outbound traffic.New Master Database categories and protocolsTRITON - Web Security Help | Web Security Solutions | Version 7.7.xWhen new categories and protocols are added to the Master Database, each isassigned a default filtering action, like Permit or Block (see Filtering actions, page57).The default action is applied in all active category and protocol filters (seeWorking with filters, page 60). To change the way the category or protocol isfiltered, you can:• Edit each active filter individually. Use this option if you want to givedifferent groups of clients different levels of access to the category orprotocol.• Edit the attributes of the category or protocol to apply the same action in allfilters. See Making global category filtering changes, page 264, and Makingglobal protocol filtering changes, page 276.The default action is based on feedback regarding whether or not the sites orprotocols in question are generally considered business-appropriate.You can configure Websense software to generate a system alert and notify youwhenever new categories or protocols are added to the Master Database. See Alerting,page 388, for more information.Special categoriesTRITON - Web Security Help | Web Security Solutions | Version 7.7.xThe Master Database contains special categories to help you manage specific types ofInternet usage. The following categories are available in all editions of Websensesoftware:The Special Events category is used to classify sites considered hot topics to helpyou manage event-related surges in Internet traffic. For example, the officialWorld Cup site might generally appear in the Sports category, but be moved to theSpecial Events category during the World Cup Finals.Updates to the Special Events category are added to the Master Database duringscheduled downloads. Sites are added to this category for a short period of time,after which they are either moved to another category or deleted from the MasterDatabase.The Productivity category focuses on preventing time-wasting behavior.• Advertisements• Freeware and Software Download• Instant Messaging• Message Boards and Forums52 Websense Web Security Solutions