TRITON - Web Security Help, Version 7.7 - Websense

Refine Filtering PoliciesWorking with file type definitionsTRITON - Web Security Help | Web Security Solutions | Version 7.7.xRelated topics: Managing traffic based on file type, page 282 Editing a category filter, page 62 Filtering a site, page 100Use the Policy Management > Filter Components > Edit File Types page to createand manage up to 32 file types (groups of file extensions) that can be explicitlyblocked in category filters (see Managing traffic based on file type, page 282).ImportantCustom file types and custom additions to predefinedtypes are used in extension-based filtering, but notWebsense Web Security Gateway or Gateway Anywheretrue file type analysis. See Filtering based on fileextension, page 283, and Filtering based on file analysis,page 286, for more information.Click on a file type to see the file extensions associated with that type.To add extensions to the selected file type, click Add Extension, and then seeAdding file extensions to a file type, page 289, for further instructions.To create a new file type, click Add File Type, and then see Adding custom filetypes, page 288, for further instructions.To delete a custom file type or extension, select an item, and then click Delete.You cannot delete Websense-defined file types, or delete the file extensionsassociated with them.You can, however, add file extensions associated with a Websense-defined filetype to a custom file type. The file extension is then filtered and logged accordingto the settings associated with the custom file type. You cannot add the sameextension to multiple custom file types.When you are finished making changes to file type definitions, click OK. Changes arenot implemented until you click Save and Deploy.Adding custom file typesTRITON - Web Security Help | Web Security Solutions | Version 7.7.x288 Websense Web Security Solutions