13,420
edits
Changes
no edit summary
:* '''Which chain''' applies to which traffic?
:* What's the '''default action''' for a chain and when that applies?
:* Understanding the differences between '''setting policies''', '''adding rules''', and '''inserting rules'''.
:* What '''order the rules are executed in'''?
:* '''Reading and/or creating a rule''' for a specific service. That includes a basic understanding of:
