TRITON - Web Security Help, Version 7.7 - Websense

Internet Usage FiltersWebsense, Inc., maintains a database of search engines with search filteringcapabilities. When a search engine is added to or removed from the database, an alertis generated (see Alerting, page 388).Search filtering is activated via the Settings > General > Filtering page. SeeConfiguring Websense filtering settings, page 68, for more information.Working with filtersTRITON - Web Security Help | Web Security Solutions | Version 7.7.xRelated topics: Filtering categories and protocols, page 50 Internet Filtering Policies, page 91 Creating a category filter, page 61 Creating a protocol filter, page 64 Creating a limited access filter, page 257Use the Policy Management > Filters page in TRITON - Web Security to view,create, and modify category and protocol filters, and to work with other filtering tools.The Filters page is divided into 3 main sections:Category Filters determine which categories to block and permit.Protocol Filters determine which non-HTTP protocols to block and permit.Network Agent must be installed to enable full protocol-based filtering.With Websense Web Security Gateway, it is possible to filter non-HTTP protocolsthat tunnel over HTTP ports without using Network Agent. See Tunneled protocoldetection, page 192, for more information.In Websense Web Security Gateway Anywhere environments, the hybrid servicedoes not provide protocol filtering.Limited Access Filters define a restrictive list of permitted Web sites (seeRestricting users to a defined list of URLs, page 255).Category, protocol, and limited access filters form the building blocks of policies.Each policy is made up of at least one category or limited access filter, and oneprotocol filter, applied to selected clients on a specific schedule.To review or edit an existing category, protocol, or limited access filter, click thefilter name. For more information, see:• Editing a category filter, page 62• Editing a protocol filter, page 64• Editing a limited access filter, page 25860 Websense Web Security Solutions