# Port reference

The following diagram illustrates communication ports used in Parallels RAS.

[![new port reference](https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-19-Management-Portal-Guide/portreference19.png)](https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-19-Management-Portal-Guide/47092.htm)

The above diagram include SAML SSO components such as RAS Enrollment Server, however it does not include Tenant Broker.

**Tip**: If you are reading the PDF version of this guide, click the following link to view the full-sized diagram in a web browser: <https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-19-Administrators-Guide/index.htm#47092.>