sudo iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:5080 fail2ban-freeswitch-tcp all -- anywhere anywhere ACCEPT tcp -- anywhere anywhere tcp dpt:5080 Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain fail2ban-freeswitch-dos (0 references) target prot opt source destination Chain fail2ban-freeswitch-tcp (1 references) target prot opt source destination RETURN all -- anywhere anywhere Chain fail2ban-freeswitch-udp (0 references) target prot opt source destination RETURN all -- anywhere anywhere Chain fail2ban-ssh (0 references) target prot opt source destination Chain services (0 references) target prot opt source destination ACCEPT tcp -- anywhere anywhere multiport dports sip,5080,5066 /* SIP tcp */ ACCEPT udp -- anywhere anywhere multiport dports sip,5080,5066 /* SIP tcp */ ACCEPT udp -- anywhere anywhere multiport dports sip,5080,5066 /* SIP tcpsudo */ installer@freeSwitch:~$