Horizon components use several different protocols to exchange messages.
The following table lists the default ports that each protocol uses. You can change the port numbers. For example, you might need to change the port numbers to comply with organization policies, or to avoid contention.
Default Ports
| Protocol | Port |
|---|---|
| JMS | TCP port 4001 TCP port 4002 |
| HTTP | TCP port 80 |
| HTTPS | TCP port 443 |
| MMR/CDR | TCP port 9427
The following features use this port.
|
| RDP | TCP port 3389 |
| PCoIP | TCP port 4172 UDP ports 4172, 50002, 55000 |
| USB redirection | TCP port 32111. This port is also used for time zone synchronization. |
| Horizon Blast Extreme | TCP ports 8443, 22443 UDP ports 443, 8443, 22443 |
| HTML Access | TCP ports 8443, 22443 |
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