Voici la liste des ports TCP et UDP que Citrix utilise a ce jour:
| ICA (Default) | TCP: | 1494 |
| IMA | TCP: | 2512 |
| CMC | TCP: | 2513 |
| SSL | TCP: | 443 |
| STA (IIS) | TCP: | 80 |
| TCP Browsing | UDP: | 1604 |
| XML (Default) | TCP: | 80 |
| Citrix License Management Console | TCP: | 8082 |
| Presentation Server Licensing | TCP: | 27000 |
| ICA session w/ Session Reliability enabled | TCP: | 2598 |
| Access Gateway Standard and Advanced Editions | TCP: | 9001, 9002, 9005 |
| Manager service daemon server | TCP: | 2897 |
| Network Manager SNMP | UDP: | 161,162 |