By default, you can specify any host name in a URL used to retrieve content. However, you can restrict access to a specified list of host names by modifying the configuration of the WCM WCMConfigService service.
From time to time you may need to reset the web content event log. The event log can be reset only on a syndicator server. Any changes made by resetting the event log are then syndicated to its corresponding subscribers. In most cases you reset the event log on the server you have imported or migrated data onto, or on a syndicator to troubleshootsyndication problems in a syndication relationship.