if (enableIpFilter) {
logger.info("Setting up ipFilter with the following rule definition: " +
patternRuleConfigDefinition);
IpFilterRuleHandler ipFilterHandler = new IpFilterRuleHandler();
ipFilterHandler.addAll(rules);
logger.info(
"Adding ipFilter with " + ipFilterHandler.size() + " rules");
pipeline.addFirst("ipFilter", ipFilterHandler);
}