*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]

# Internet Control Message Protocol
# (required)
-A INPUT -p icmp -j ACCEPT
-A INPUT -p ipv6-icmp -j ACCEPT

# Administration
-A INPUT -p tcp --dport 22 -j ACCEPT

# Cluster
{% for selected_host in groups['cluster_nodes'] %}
-A INPUT -s {{ hostvars[selected_host]['ipv6'] }} -j ACCEPT
{% endfor %}

# Local
-A INPUT -i docker0 -j ACCEPT
-A INPUT -s ::1/128 -j ACCEPT
-A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT

COMMIT

*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
COMMIT

*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
COMMIT