ACL (Access Control List) is a list of rules that specifies which users or systems are allowed access to a particular object or system resource. It can simply be defined as a set of instructions to filter inbound and outbound traffic on an interface. Access Control List Overview and Access List Concepts Access Control List carries out a packet identification mechanism and can also identify packets on the basis of Layer 3 and Layer header. Each access list is composed of one or more ACEs (Access Control Entries) and each ACE is assigned a sequence number. ACEs are processed Read More …