[Freeswitch-users] Getting fail2ban working properly

Morning! I've followed all instructions here, 10 times over now: https://freeswitch.org/confluence/display/FREESWITCH/Fail2Ban Then I type iptables -L f2b-freeswitch iptables: No chain/target/match by that name. It keeps saying it's not there, but I did add it, is there something I'm missing?