public AccessControlMXBean getAccessControlMBean() throws Exception {
    return JMX.newMXBeanProxy(con, new ObjectName("GemFire:service=AccessControl,type=Distributed"),
        AccessControlMXBean.class);
  }
Rule constructor

@param portSupplier The JMX server port to connect to
geode-dunit/src/main/java/org/apache/geode/test/junit/rules/MBeanServerConnectionRule.java