You can implement webMethods Broker behind a firewall to help preserve the integrity of your network. To enable webMethods Broker to work through a commercial firewall, open the port used by the Broker Server through the firewall. Opening the Broker Server's port enables users outside the firewall to run your webMethods Broker-based applications without compromising on the network integrity. webMethods Broker administrator requires access to the Broker Server's port for webMethods Broker administration. It is recommended that you use SSL in conjunction with a firewall so that you prevent administrative access from a public network.