crawler.frontier_port Background This option allows you to specify which port the DistributedFrontiers will listen on when performing distributed crawling. Setting the key Set this configuration key in the search package or data source configuration. Use the configuration key editor to add or edit the crawler.frontier_port key, and set the value. This can be set to any valid Integer value. Default value (empty) Examples crawler.frontier_port=9876 See also Web data source crawler.frontier_hosts