Defines the authentication mechanism used for validation Username/Password tokens.
public enum UserNameAuthenticationType
Username/Password token is authenticated with security token handler configured in the node's local configuration file.
Username/Password token is not explicitly authenticated. Secondary authentication is possible during authorization process through the use of UserNameExpression. The issued identity is of type ClaimsIdentity.
Username/Password token is authenticated against Windows user store. The issued identity is of type WindowsIdentity.