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Access Control List This lesson covers the access control list (ACL) which is an important part of network access security. The ACL is a list of allowed users, media access control (MAC) addresses and IP addresses. It allows us to dictate who and who is not allowed to talk on a network and whose allowed to send packets over to certain parts of our network; which provides protection against unauthorized users who can transmit data. The ACL list allows for:
- Media access control (MAC) filtering
- IP filtering
- Port filtering