A security server is an instance of Horizon View Connection Server that adds an additional layer of security between the internet and the internal network. A security server resides within a DMZ and acts as a proxy host for connections inside your trusted network. Each security server is paired with an instance of View Connection Server and forwards all traffic to that instance. The following example clearly illustrates how a Horizon View Security Server is deployed in an infrastructure.

Figure 1 : VMware Horizon Security Servers in a DMZ deployment

When remote users connect to a security server, they must successfully authenticate before they can access View desktops. With appropriate firewall rules on both sides of the DMZ, the topology shown in Figure 1 is suitable for accessing View desktops from client devices located on the Internet. If more than one Security servers are used, then a hardware or software load balancing solution should be installed. In large environments where a considerable number of users authenticate via the VMware Horizon Security Server to access the View desktops provisioned through the VMware Horizon Connection Server, it is essential for the administrators to check the availability of the VMware Horizon Connection Server and figure out the time taken by the Connection Server to provision the View desktops. It is also essential for the administrators to keep tab on the load on the Security Server. Therefore, it is necessary to monitor the load on the VMware Horizon Security Server round the clock. In the forthcoming chapters, let us discuss on how too monitor the VMWare Horizon Security Server in detail.