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<section xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="Java-Broker-Security-Kerberos-Provider">
<title>Kerberos</title>
<para> Kereberos Authentication Provider uses java GSS-API SASL mechanism to authenticate the
connections. </para>
<para> Configuration of kerberos is done through system properties (there doesn't seem to be a
way around this unfortunately). </para>
<programlisting>
export JAVA_OPTS=-Djavax.security.auth.useSubjectCredsOnly=false -Djava.security.auth.login.config=qpid.conf
\${QPID_HOME}/bin/qpid-server
</programlisting>
<para>Where qpid.conf would look something like this:</para>
<programlisting>
com.sun.security.jgss.accept {
com.sun.security.auth.module.Krb5LoginModule required
useKeyTab=true
storeKey=true
doNotPrompt=true
realm="EXAMPLE.COM"
useSubjectCredsOnly=false
kdc="kerberos.example.com"
keyTab="/path/to/keytab-file"
principal="&lt;name&gt;/&lt;host&gt;";
};</programlisting>
<para> Where realm, kdc, keyTab and principal should obviously be set correctly for the
environment where you are running (see the existing documentation for the C++ broker about
creating a keytab file). </para>
<para> Note: You may need to install the "Java Cryptography Extension (JCE) Unlimited Strength
Jurisdiction Policy Files" appropriate for your JDK in order to get Kerberos support working. </para>
</section>