TRITON - Web Security Help, Version 7.7 - Websense

Refine Filtering PoliciesWeb Security. If a delegated administrator is logged on to the role with policy accesswhen the filters or policies are copied, they will not see the new filters or policies untilthey log off and log on again.Building filter componentsTRITON - Web Security Help | Web Security Solutions | Version 7.7.xUse the Policy Management > Filter Components page to access tools used to refineand customize the way that Websense software enforces your organization’s Internetaccess policies. The 3 buttons on the screen are associated with the following tasks:Edit Categories • Recategorize a URL (see Redefining filtering for specificsites, page 268). For example, if the Shopping category isblocked by your Internet filtering policies, but you wantto permit access to specific supplier or partner sites, youcould move those sites to a permitted category, likeBusiness and Economy.• Define or edit custom categories (see Creating a customcategory, page 265). Create additional subcategorieswithin Websense-defined parent categories, or within theUser-Defined parent category, and then assign URLs tothe new categories.• Assign keywords to a category (see Filtering based onkeyword, page 266). To recategorize and block access tosites whose URLs contain a specific string, first definekeywords, and then enable keyword blocking in acategory filter.• Create regular expressions (see Using regularexpressions, page 290), patterns or templates that can beused to match multiple URLs and assign them to acategory.Edit ProtocolsFile TypesCreate or edit custom protocol definitions (see Creating acustom protocol, page 277, and Editing custom protocols,page 274). For example, if members of your organization usea custom messaging tool, you could create a custom protocoldefinition to permit use of that tool while blocking otherInstant Messaging / Chat protocols.Create or edit file type definitions, used to block files withspecific extensions within otherwise permitted categories(see Managing traffic based on file type, page 282).TRITON - Web Security Help 261