Cybersecurity Glossary: Terms Explained in Plain English | TecnetOne

What Is an Access Control List (ACL)? | TecnetOne Glossary

Written by Tecnet One | Oct 6, 2026, 11:30:54 PM

An ACL (access control list) is the set of rules that defines which users, devices or addresses can reach a resource and what they can do with it. Firewalls, routers, shared folders and cloud services use ACLs to allow or deny each access request.

How TecnetOne handles it: Managed Firewall

access control list, network permissions, firewall rules