Docker and Fail2Ban
Docker uses NAT and FORWARD comes before INPUT, so it never reaches the fail2ban iptables rules
Change your jail.local global or for each rule
chain = INPUT
replace with
chain = CATTLE_FORWARD
That should now block
Docker uses NAT and FORWARD comes before INPUT, so it never reaches the fail2ban iptables rules
Change your jail.local global or for each rule
chain = INPUT
replace with
chain = CATTLE_FORWARD
That should now block