INTERMEDIATE • Service Hardening
tcpdump Incident-Safe Usage Pattern #30
Lesson context: Service Hardening (Intermediate level). tcpdump Incident-Safe Usage Pattern #30 teaches a defensive workflow for tcpdump with least-privilege access mapping. Scenario: student assignment upload flow (minimize blast radius during failures). At Intermediate level, this lesson emphasizes practical controls and measurable risk reduction. Command focus: tcpdump, fail2ban-client, journalctl; objective: minimize blast radius during failures.
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