A method, system, apparatus, and computer program product are presented for a distributed port firewall system. The distributed port firewall system provides mapping of port usage to application needs, application action object (AAO) used to identify the use of ports. Application action object may be...http://www.google.co.uk/patents/US7296292?utm_source=gb-gplus-sharePatent US7296292 - Method and apparatus in an application framework system for providing a port and network hardware resource firewall for distributed applications