[Definition]

actionstart = iptables -N f2b-bad-auth
              iptables -A f2b-bad-auth -j RETURN
              iptables -I DOCKER-USER -p tcp -m multiport --dports 1:1024 -j f2b-bad-auth

actionstop = iptables -D DOCKER-USER -p tcp -m multiport --dports 1:1024 -j f2b-bad-auth
             iptables -F f2b-bad-auth
             iptables -X f2b-bad-auth

actioncheck = iptables -n -L DOCKER-USER | grep -q 'f2b-bad-auth[ \t]'

actionban = iptables -I f2b-bad-auth 1 -s <ip> -j DROP

actionunban = iptables -D f2b-bad-auth -s <ip> -j DROP