2.2. Defining Server Security Domain

The application server must define a security domain to be able to authenticate to the KDC for the first time.

Important

Krb5LoginModule can use a local credentials cache; however, this option is incompatible with the storeKey option, which is required by SPNEGO. Make sure the module does not use the local credentials cache.

To define a server security domain, do the following:

Open the $JBOSS_HOME/server/$PROFILE/conf/login-config.xml file for editing.
Define the application policy element with the authentication element with the following options:
storeKey
If true the private key is cached in the Subject (set to true).
useKeyTab
If true the key is loaded from a keyTab file (set to true).
principal
The attribute needs to state the full name of the principal to obtain from the keyTab file.
keyTab
The attribute defines the full path to the keyTab file with the server key (key for encrypting the information between the server and KDC).
doNotPrompt
If true password prompting is turned off (as this is a server, set to true).
debug
If true the system logs additional debug information to STDOUT.

Example 2.1. Server security domain

<application-policy name="host">
   <authentication>
      <login-module code="com.sun.security.auth.module.Krb5LoginModule"
         flag="required">
         <module-option name="storeKey">true</module-option>
         <module-option name="useKeyTab">true</module-option>
         <module-option name="principal">HTTP/testserver@KERBEROS.JBOSS.ORG</module-option>
         <module-option name="keyTab">/home/jboss_user/testserver.keytab</module-option>
         <module-option name="doNotPrompt">true</module-option>
         <module-option name="debug">true</module-option>
      </login-module>
   </authentication>
</application-policy>

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2.2. Defining Server Security Domain

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