OpenSearch/x-pack/test/idp-fixture/idp/shibboleth-idp/conf/authn/jaas.config

ShibUserPassAuth {
    /*
	com.sun.security.auth.module.Krb5LoginModule required;
	*/

    org.ldaptive.jaas.LdapLoginModule required
      ldapUrl="ldap://localhost:10389"
      baseDn="ou=people,dc=example,dc=org"
      userFilter="uid={user}";

};