fail2ban: banning repeated attempts
jail.local rather than jail.conf, ignoreip first, and the jail reporting zero attempts because it reads the wrong source.
25 minutesTechnical content last reviewed on 16 Sept 2026
This lesson is for signed-in learners
Create an account to subscribe and record your learning progress.
What this lesson builds
- Knowing what the machine exposes, and closing the rest
- Designing a check that can fail and an alert somebody acts on