IBM PowerHA SystemMirror for AIX Cookbook

Cluster security

In this chapter, we describe the PowerHA security features and show how cluster security can be enhanced.

This chapter contains the following topics:

•Cluster security

•Using encrypted internode communication from CAA

•Secure remote command execution

•PowerHA and firewalls

•Federated security for cluster-wide security management

8.1 Cluster security

PowerHA SystemMirror v7 has redesigned core clustering components. Core cluster functions, such as health monitoring and cluster communication, are done by Cluster ...