Re: ot: how to block persistent same invalid account, different IPs

2017-12-22 Thread Marcus Rueckert
On 2017-12-22 13:23, Jeff Abrahamson wrote: fail2ban isn't really the right tool to fight massive DDOS attacks.  On the other hand, you don't seem to have that problem, so things work out maybe. It's cleaner to know the future and ban the right things at the right times, but is there real harm f

Re: ot: how to block persistent same invalid account, different IPs

2017-12-22 Thread Jeff Abrahamson
On 22/12/17 11:41, Voytek Eymont wrote: I've installed fail2ban, it seems to be working as it identified my failed test logins, BUT, my question is: what can I do when I see same invalid name trying to login to dovecot, different IP each time, how can I say block each IP as used by this name ? o