You can ensure that only authorized administrators and client nodes are communicating with the server, by requiring the use of passwords.. You can also set the following requirements for passwords:
You can define sets of client options for clients to use.
You can control access to the server by administrators. An organization may name a single administrator or may distribute the workload among a number of administrators and grant them different levels of authority.
For more information about managing clients, see Chapter 10, Managing Client Nodes.