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We will run some iptables commands on the host to practice and get a basic understanding of how to set rules.
Refer to the following [https://prezi.com/akyqt4h40oel/iptables-packet-filtering/ OPS335 NOTES] if you need to review how to use the iptables command. You can also perform a Netsearch for additional examples (such as deleting iptables rules for a chain).
Let's set a default '''policy''' to '''disable all inbound traffic''':
