gateway-release/home/templates/krb5JAASLogin.conf

/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
* 
* http://www.apache.org/licenses/LICENSE-2.0
* 
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* IMPORTANT: REPLACE EXAMPLE.COM and keyTab file location with your site specific values
*/
com.sun.security.jgss.initiate {
    com.sun.security.auth.module.Krb5LoginModule required 
    renewTGT=true
    doNotPrompt=true
    useKeyTab=true
    keyTab="/etc/knox/conf/knox.service.keytab"
    principal="knox@EXAMPLE.COM"
    isInitiator=true
    storeKey=true
    useTicketCache=true
    client=true;
};