Two-armed Route-Path with a Service with type Layer 7 - RDP is the recommended configuration when deploying the Barracuda Load Balancer in a Microsoft Terminal Services environment. Figure 1 shows a network where there are Virtual IP addresses available on both the WAN and LAN side. Clients coming from the Internet or intranet can access the database or web Service. On the LAN side, the web servers can access the database Service.
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Figure 1. Two-armed TCP Proxy, UDP Proxy, or Layer 7 Service.