Install Firewall Setup
 V. Firewall Setup
As part of the installation, the installer that comes with the UGP configures Apache Tomcat and Grid-ftp for you. In doing so, it establishes the following ports:
For the Grid Appliance:
• An Appliance must be able to publish to the Grid Portal on port 8443. • An Appliance must open all its ports to the Grid Portal machine, especially 2811 for grid-ftp and those ports in the globus-port-range: 8443 and above for Globus Toolkit. Consult the Globus Toolkit documentation for further information.
For the Grid Portal:
• The public must be able to access ports: 9443, 8081, 80 and 443. • The Grid Appliances must able to connect to the Grid Portal on port 8443.
For additional details on the Globus Toolkit Requirements please see the document: