# locate the 'backend' setting (set to 'auto' by default): grep -b5 -i gamin /etc/fail2ban/jail.conf # replace its value with 'polling': perl -i -pe 's/^(backend\s*=).*/$1 polling/' /etc/fail2ban/jail.conf # restart the daemon: /etc/init.d/fail2ban restart
Fail2ban does not ban
It took me a while to make fail2ban running correctly. The issue roots in a well-known bug.
A quick fix:
