This section details the configuration of the outer Unified Access Gateway Web Reverse Proxy appliance shown as UAG 1 in Figure 3-1. In this configuration, the Unified Access Gateway Horizon Edge Service is not used as UAG 1 is acting only as a Web Reverse Proxy supporting Client XML protocol and HTML Access, Horizon Tunnel protocol and Blast Extreme TCP. This section also details a set of optional Horizon protocols that can be enabled with generic TCP and UDP forward rules configured on UAG 1.