.. _header_freq-plugin: Header Frequency Plugin *********************** .. Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. The Header Frequency plugin keeps track of the number of times headers have been seen in transactions. Two separate counteres are kept for the origin and the client. This information is accessible via :: traffic_ctl plugin msg header_freq log Installation ------------ This plugin is only built if the configure option :: --enable-experimental-plugins is given at build time. Add the following line to :file:`plugin.config`:: header_freq.so