Network ACLs

Network Access Control Lists (ACLs) are security rules that control the flow of traffic into and out of a network or subnet. Think of them as filters that specify which data packets are allowed or denied based on rules like source and destination addresses, ports, or protocols. They help protect your network by blocking unauthorized access while permitting legitimate communication, ensuring only trusted traffic can reach your resources. ACLs are essential for enforcing security policies and managing network traffic efficiently.