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For questions about access control lists (ACLs). For instance, you want to limit network traffic to increase network performance or provide traffic flow control on your network device. ACLs also provide a basic level of security for network access by defining which part of the network/server/service can be accessed by a host and which cannot.

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I am trying to configure port forwarding on a Cisco 891F router given by an ISP and directly connected to servers in the 192.168.170.0/24 network. The ISP recommended using the ip nat inside source st …
asked Aug 25 '18 by Manny265