1 /* 2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /** 27 * This package contains utility classes related to the Kerberos network 28 * authentication protocol. They do not provide much Kerberos support 29 * themselves.<p> 30 * 31 * The Kerberos network authentication protocol is defined in 32 * <a href=http://www.ietf.org/rfc/rfc4120.txt>RFC 4120</a>. The Java 33 * platform contains support for the client side of Kerberos via the 34 * {@link org.ietf.jgss} package. There might also be 35 * a login module that implements 36 * {@link javax.security.auth.spi.LoginModule LoginModule} to authenticate 37 * Kerberos principals.<p> 38 * 39 * You can provide the name of your default realm and Key Distribution 40 * Center (KDC) host for that realm using the system properties 41 * {@code java.security.krb5.realm} and {@code java.security.krb5.kdc}. 42 * Both properties must be set. 43 * Alternatively, the {@code java.security.krb5.conf} system property can 44 * be set to the location of an MIT style {@code krb5.conf} configuration 45 * file. If none of these system properties are set, the {@code krb5.conf} 46 * file is searched for in an implementation-specific manner. Typically, 47 * an implementation will first look for a {@code krb5.conf} file in 48 * {@code <java-home>/conf/security} and failing that, in an OS-specific 49 * location.<p> 50 * 51 * The {@code krb5.conf} file is formatted in the Windows INI file style, 52 * which contains a series of relations grouped into different sections. 53 * Each relation contains a key and a value, the value can be an arbitrary 54 * string or a boolean value. A boolean value can be one of "true", "false", 55 * "yes", or "no", case-insensitive.<p> 56 * 57 * @since 1.4 58 */ 59 package javax.security.auth.kerberos;