Using ClusterCATS with a Firewall  
 
 

You can configure ClusterCATS to work across your Internet firewall. For example, you could set up your cluster so that the ClusterCATS Explorer is outside your firewall. Or, you could have an arrangement where two or more ClusterCATS Servers talk to each other and the ClusterCATS Explorer through the firewall.

To use ClusterCATS with a firewall in configurations like those mentioned, you need to open ports in your firewall software as illustrated below. ClusterCATS needs a port to communicate between the Explorer and the Server so you can change configurations. You also need a port for Server to Server communication to allow load information to be communicated between servers efficiently.

The following graphic shows a company with two server clusters. Both clusters are connected to the Internet through a firewall. The ClusterCATS Explorer runs on a system at corporate headquarters providing remote cluster management options.



 
 
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