System 2.0.0.0 4.0.0.0 System.Enum The enumeration defines a set of special categories that are applied to application settings properties with the class. The default settings provider, , does not encrypt or otherwise protect connection strings. It simple stores this type of settings in a separate <connectionstrings> section in the appropriate configuration file. Specifies the special setting category of a application settings property. Field 2.0.0.0 4.0.0.0 System.Configuration.SpecialSetting The configuration property represents a connection string, typically for a data store or network resource. Field 2.0.0.0 4.0.0.0 System.Configuration.SpecialSetting The configuration property represents a Uniform Resource Locator (URL) to a Web service.