from the web: Everything you wanted to know about Access Lists

 

What Access List? What is standard ACL, extended ACL, named ACL, and what is routing protocol ACL? What is a time-based ACL? How to configure ACL?

What is Access-List?

Access-List or ACL is a set of rules which will allow or deny the specific traffic moving through the router. ACL is defined as controlling network traffic and reducing network attacks. ACLs are used to filter traffic based on the set of rules defined for the IN to the router or OUT to the router of the network. An ACL would be your tool of choice for decision-making for example you can se....

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