Question

Which of the following use routes with packet filtering rules to allow or deny access based on source address, destination address, or port number?

• A. Application layer Firewall
• B. Packet Filtering Firewall
• C. Router enhanced firewall
• D. IP enabled firewall

Answer 1

Answer: (B)

Packet Filtering Firewall

packet filtering firewall use routes with packet filtering rules to allow or deny access based on source address, destination address or port number. packet filtering checks source and destination IP addresses, if both match the packet is considered secure and verified. they also verify source and destination port addresses.