### Parallels Client
Source | Destination | Protocols | Ports | Description
Parallels Client | HALB | TCP, UDP TCP, UDP TCP, UDP | 80, 443 3389 20009 | Management and user session connections. Optional - Used for user session if RDP Load Balancing is enabled. Client Manager shadowing via Firewall (indirect network connection).
| RAS Secure Client Gateway (Normal and Forwarding modes) | TCP, UDP TCP, UDP TCP, UDP UDP | 80, 443 3389 20009 20000 | Management and user session connections. Optional - Used for user session if RDP Load Balancing is enabled. Client Manager shadowing via Firewall (indirect network connection). Note: Since RAS v16, Secure Client Gateways (in Forwarding mode) do not support client management. Secure Client Gateway lookup broadcast.
| RDP Session | TCP, UDP | 3389 | Used for user session connections in Direct Mode only. RDP connection is always encrypted.