}
        }
        return def;
    }


    /**
     * Retrieve an <code>InetAddress</code>. If the address is not
     * an IP address and cannot be resolved <code>null</code> will
     * be returned.
     */
    public static InetAddress getInetAddress ( Properties props, String key, InetAddress def ) {
        String addr = props.getProperty(key);