7 .3 Access Control List (ACL)

Access Control List – (ACL)

Function Explanation: It is used to control the movement of data packets in and out of ports and can filter traffic in the network. It is a network technology that controls access.After configuration, it can restrict network traffic, allow access to specific devices, specify the forwarding of certain port packets, etc.

Configuration Method: Supports single addition and batch import addition.

Case 1

All Intranet access to 192.168.88.12 is blocked.

This configuration only blocks access to 192.168.88.12 that does not belong to this LAN port. Not valid under the same network segment.

Case 2

IP address 192.168.88.99 is blocked from accessing the Internet.

It can also block a certain IP segment from accessing the external network.Individual IP access the external network, while others cannot access it.