Restriction that network administrators can use to strengthen the security of their networks
nSome users may be valid only during specific hours
nSome user IDs may be restricted to a specific number of hours per day of logged-in time
nYou can specify that user IDs can log in only from certain workstation or certain areas of the network
nSet a limit on how many unsuccessful login attempts from a single user the server will accept before blocking that ID from even attempting to log on