### RAS Publishing Agent
Source | Destination | Protocols | Ports | Description
RAS Publishing Agent | RAS Publishing Agent | TCP | 20001 20030 | Redundancy service. Communication between RAS Publishing Agents running in the same site.
| Parallels Licensing Server | TCP | 443 | RAS Publishing Agent (primary Publishing Agent in Licensing Site) communicates with Parallels Licensing Server (https://ras.parallels.com). Note: Not required for Tenant Broker RAS Publishing Agent (see the Tenant Broker section).
| RAS Performance Monitor | TCP | 8086 | Agent (Telegraf service) sends collected performance data to InfluxDB.
| RAS RD Session Host Agent | TCP, UDP | 30004 | Server for Publishing Agent requests.
| RAS VDI Agent | TCP, UDP | 30006 | VDI Agent communication port.
| RAS Guest Agent | TCP UDP | 30010 30009 | Used by RAS Console during RAS Template creation. Used by components on the destination RDS/guest/Remote PC for internal communication. Client does not use it.
| RAS Remote PC Agent | TCP, UDP | 30004 | RAS Remote PC Agent communication port (Agent status, counters and session information).
| MFA Server(s) | TCP, UDP | 8080, 80, 1812, 1813 | Deepnet / Safenet / Radius
| RAS Enrollment Server | TCP | 30030 | RAS Publishing Agent Sends RAS Enrollment Server connection request.