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Right click on Access Control Lists and select New Access Control List. The Access Control List screen will be displayed as below.
ACL ID - Access Control List Identification number.
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Right click on Access Control List object and select New Access Control Subnet. The Access Control Subnet screen will be displayed as below.
ACS Name – Access Control Subnet Identification number.
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Starting Port / Ending Port – Define the range of ports affected by the ACS .