### HALB
Source | Destination | Protocols | Ports | Description
HALB | HALB | VRRP | 112 | HALB to HALB communication used for automatic assignment of VIP to active HALB.
| RAS Secure Client Gateway in Forwarding Mode | TCP, UDP TCP, UDP | 80, 443 3389 | Management and user session connections. Optional - Used for user session if RDP Load Balancing is enabled.
| RAS Secure Client Gateway in Normal Mode | 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).