# Port reference

The following diagram illustrates communication ports used in Parallels RAS.

<figure><img src="https://1694883226-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FkldliYhYd3ruhOnSCITd%2Fuploads%2FC9s7sib4YRIlE4kcqdPm%2Fportreference19.png?alt=media&#x26;token=67288fe8-20bf-4d91-afa3-9900826f7cd1" alt=""><figcaption></figcaption></figure>

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.>