(b)

i) A network packet is sent from an application installed on PC1 to PC2, which is on the same network. List the sequence of NFTABLES network stack hooks that the packet would pass through on the local host.

ii) Explain what happens during a denial of firewalling attack and why some firewalls may be more prone than others.

iii) Explain what the following syntax instructs NFTables to do:

nft add chain ip packet-filter output { type filter hook output priority 0 \; policy accept\; }

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