The journal facilities lock out users or terminals that make excessive access attempts with incorrect passwords. In an SSI complex, journaling is extended to be an attribute of the complex, rather than an attribute of one member. Any lockout is applied to reject logon attempts from any member after the incorrect password limit is exceeded on the same or a different member. The incorrect attempt counts are known and accumulated across all members in the complex.
The unique device address of the terminal identifies journal entries for terminals on a non-SSI system. On an SSI complex, the same terminal address can be used on different member systems to identify different terminals. Journal entries for the SSI environment add the member system node name to the journal entry as the unique identifier of a specific terminal.
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