javax.security.auth.kerberos (Java Platform SE 8 )
Keywords: javax.security.auth.kerberos package
Date: 2016-07-28

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# Package javax.security.auth.kerberos

This package contains utility classes related to the Kerberos network authentication protocol.

See: Description

- Class Summary
  Class | Description
  --- | ---
  DelegationPermission | This class is used to restrict the usage of the Kerberos delegation model, ie: forwardable and proxiable tickets.
  KerberosKey | This class encapsulates a long term secret key for a Kerberos principal.
  KerberosPrincipal | This class encapsulates a Kerberos principal.
  KerberosTicket | This class encapsulates a Kerberos ticket and associated information as viewed from the client's point of view.
  KeyTab | This class encapsulates a keytab file.
  ServicePermission | This class is used to protect Kerberos services and the credentials necessary to access those services.

## Package javax.security.auth.kerberos Description

This package contains utility classes related to the Kerberos network authentication protocol. They do not provide much Kerberos support themselves.

The Kerberos network authentication protocol is defined in RFC 4120. The Java platform contains support for the client side of Kerberos via the `org.ietf.jgss` package. There might also be a login module that implements `LoginModule` to authenticate Kerberos principals.

You can provide the name of your default realm and Key Distribution Center (KDC) host for that realm using the system properties `java.security.krb5.realm` and `java.security.krb5.kdc`. Both properties must be set. Alternatively, the `java.security.krb5.conf` system property can be set to the location of an MIT style `krb5.conf` configuration file. If none of these system properties are set, the `krb5.conf` file is searched for in an implementation-specific manner. Typically, an implementation will first look for a `krb5.conf` file in `<java-home>/lib/security` and failing that, in an OS-specific location.

Since:
  JDK1.4

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