A link to the VMware View 5.0 Documentation Center documenting the TCP and UDP Ports needed for VMware View 5.0: http://pubs.vmware.com/view-50/index.jsp?topic=/com.vmware.view.security.doc/GUID-A0B8412C-6C42-4C78-90B2-C1B2A2237AD1.html
See also http://dharmgolf.blogspot.com/2011/12/vmware-view-50-port-information-for.html