| Package | Description | 
|---|---|
| org.apache.hadoop.security.authentication.server | Provides the server-side framework for authentication. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | CompositeAuthenticationHandlerInterface to support multiple authentication mechanisms simultaneously. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AltKerberosAuthenticationHandlerThe  AltKerberosAuthenticationHandlerbehaves exactly the same way as
 theKerberosAuthenticationHandler, except that it allows for an
 alternative form of authentication for browsers while still using Kerberos
 for Java access. | 
| class  | JWTRedirectAuthenticationHandlerThe  JWTRedirectAuthenticationHandlerextends
 AltKerberosAuthenticationHandler to add WebSSO behavior for UIs. | 
| class  | KerberosAuthenticationHandlerThe  KerberosAuthenticationHandlerimplements the Kerberos SPNEGO
 authentication mechanism for HTTP. | 
| class  | LdapAuthenticationHandlerThe  LdapAuthenticationHandlerimplements the BASIC authentication
 mechanism for HTTP using LDAP back-end. | 
| class  | MultiSchemeAuthenticationHandlerThe  MultiSchemeAuthenticationHandlersupports configuring multiple
 authentication mechanisms simultaneously. | 
| class  | PseudoAuthenticationHandlerThe  PseudoAuthenticationHandlerprovides a pseudo authentication mechanism that accepts
 the user name specified as a query string parameter. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected AuthenticationHandler | AuthenticationFilter. getAuthenticationHandler()Returns the authentication handler being used. | 
| protected AuthenticationHandler | MultiSchemeAuthenticationHandler. initializeAuthHandler(String authHandlerClassName,
                     Properties config) | 
| Modifier and Type | Method and Description | 
|---|---|
| protected boolean | AuthenticationFilter. verifyTokenType(AuthenticationHandler handler,
               AuthenticationToken token)This method verifies if the specified token type matches one of the the
 token types supported by a specified  AuthenticationHandler. | 
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