# RAS RD Session Host Agent

| Source                    | Destination             | Protocols | Ports | Description                                                                 |
| ------------------------- | ----------------------- | --------- | ----- | --------------------------------------------------------------------------- |
| RAS RD Session Host Agent | RAS Connection Broker   | TCP, UDP  | 20003 | Used for communications with RAS Connection Brokers.                        |
|                           | Localhost               | TCP       | 30005 | For internal commands (memshell, printer redirector).                       |
|                           | FSlogix                 | TCP       | 443   | Download FSlogix installer                                                  |
|                           | RAS Performance Monitor | TCP       | 8086  | Agent (Telegraf service) sends collected performance data to InfluxDB.      |
|                           | RAS Enrollment Server   | TCP       | 30030 | RAS RD Session Host Agent (PrlsSCDriver) connects to get logon credentials. |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.parallels.com/landing/ras-reference-architecture/v19/port-reference-and-ssl-certificates/port-reference/ras-rd-session-host-agent.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.