Fred Donovan from Citrix have updated the whitepaper - Communication Ports Used by Citrix Technologies to version 1.5 (April 2011)
This document provides an overview of ports that are used by Citrix components and must be considered as part of Virtual Computing architecture, especially if communication traffic traverses network components such as firewalls or proxy servers, where ports must be opened to ensure communication flow.
The assignments are listed by the Internet Assigned Numbers Authority (IANA), updated regularly, and revised when new information is available and new assignments are made. The specific location of the port numbers list is available at the following Web site: http://www.iana.org/assignments/port-numbers.
Microsoft Article “Network Ports Used by Key Microsoft Server Products”.
Microsoft Article ID 832017 “Service overview and network port requirements for the Windows Server system”.
Download WhitePaper - Communication Ports Used by Citrix Technologies here