COMPUTER ETHICS AND SECURITY
FIREWALLS AND ANTIVIRUS SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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IP ADDRESS
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VPN
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TUNNEL
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HTTP
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Detailed explanation-1: -You have a router that is configured as a firewall. The router is a layer 3 device only. Which of the following does the router use for identifying allowed or denied packets? (a router acting as a firewall on layer 3 is capable of making forwarding decisions based on the ip address.
Detailed explanation-2: -Packet-filtering firewalls operate at the network layer (Layer 3) of the OSI model. Packet-filtering firewalls make processing decisions based on network addresses, ports, or protocols. Packet-filtering firewalls are very fast because there is not much logic going behind the decisions they make.
Detailed explanation-3: -Generally, most firewalls allow you to set rules that determine which traffic is allowed into or out of your network. Example: You could configure the firewall to allow only traffic from specific IP addresses, block certain ports, and restrict access to particular services.