[aarcane@kropstnega ~]$ sudo iptables -L
Chain INPUT (policy DROP)
target     prot opt source               destination         
ACCEPT     0    --  10.66.6.0/24         anywhere            
ACCEPT     0    --  anywhere             anywhere            state RELATED,ESTABLISHED 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:www 
ACCEPT     tcp  --  anywhere             anywhere            tcp dpt:ssh 

[aarcane@kropstnega ~]$ sudo ip6tables -L
Chain INPUT (policy DROP)
target     prot opt source               destination         
ACCEPT     0        2001:4830:1510:1::/64  anywhere           
ACCEPT     0        anywhere             anywhere           state RELATED,ESTABLISHED 
ACCEPT     tcp      anywhere             anywhere           tcp dpt:www 
ACCEPT     tcp      anywhere             anywhere           tcp dpt:ssh