dovecot auth using 100% CPU

[Felix Zielcke]

Am Freitag, den 03.07.2015, 14:28 +0200 schrieb Steinar Bang:
> > 
> fail2ban scans the logs of various services for attacks and firewalls
> out the attacking IP addresses.
> 
> There are no built-in rules for exim or dovecot in the debian 
> fail2ban
> package, but there is something here that could possibly be 
> adapted...?

Are you talking about wheezy or jessie?
jessie has rules. But they need to be enabled like this:

# cat /etc/fail2ban/jail.d/local.conf 
[exim]
enabled = true

[exim-spam]
enabled = true

[dovecot]
enabled = true