Where there is a question as to how much access has been granted, administrators can view an object's effective rights, then block unwanted assignments with either IRFs or explicit rights assignments. By default, the login directory is provided read access to everyone, even to those users not logged in. The effectiveness of this utility can be limited, however, by restricting read access from Public at the root level. You should take caution when making major rights changes, as certain applications may require this access. An important aspect of physical security includes keeping all network systems in secure locations.
Attackers feed on information, and if they're given enough of it, a breach is only a matter of time.
And make sure both power and air-conditioning systems are redundant, as a loss of either can result in a denial of service to users. Console Security When not in use, server consoles should be locked. The utility Scrsaver.nlm, introduced with NetWare 5.0, provides a new method to lock the server console. To unlock the console, you must supply an NDS user name and password. While any network administrator can list several reasons why remote control of a server is necessary, the method by which this is accomplished must always be seriously considered.