I had this problem on Ubuntu 14.04 with Fail2Ban v0.8.11.
Using "backend = polling" in /etc/fail2ban/jail.local seems to work for me.
see discussion at; https://github.com/fail2ban/fail2ban/issues/878
I had this problem on Ubuntu 14.04 with Fail2Ban v0.8.11.
Using "backend = polling" in /etc/fail2ban/ jail.local seems to work for me.
see discussion at; https:/ /github. com/fail2ban/ fail2ban/ issues/ 878