$ sudo iptables -L -n Chain INPUT (policy ACCEPT) target prot opt source destination f2b-default tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 22 Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain f2b-default (1 references)target prot opt source destination REJECT all -- 192.168.1.96 0.0.0.0/0 reject-with icmp-port-unreachable RETURN all -- 0.0.0.0/0 0.0.0.0/0