I’m working on a operating systems question and need the explanation and answer to help me learn.

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Same things as before…*OPEN ports are ordered: HTTPS (443), SMTPS (465), IMAPS (993), DNS (53), Database (5432), SSH (22),*The order of the rules to be rejected: HTTP (80), POP (110), POP3S (995), SMTP (25), IMAP (143) Also need to DROP/REJECT 587 (Submission protocol for SMTPS)

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