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===iptables to Focus When Performing this Lab===
'''We don't expect you to become firewall experts , but there are some basics you need to become familiar for this lab (2a)and future labs:'''* What is a '''chain'''?* '''Which chain''' applies to which traffic?* What's the '''default action''' for a chain and when that applies?* What '''order the rules are executed in'''?
* '''Reading and/or creating a rule''' for a specific service. That includes a basic understanding of:
** '''Ports'''
** '''Protocols'''
** The best way to learn that is to <u>'''practice'''</u>.
'''Record steps, commands, and your observations from this section in your OPS335 lab log-book'''