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*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [0:0]
# Internet Control Message Protocol
-A INPUT -p icmp -j ACCEPT
# Administration
-A INPUT -p tcp --dport {{ hostvars[selected_host]['ssh_port'] }} -j ACCEPT
# Diplonat needs everything open to communicate with IGD with the router
-A INPUT -s {{ hostvars[selected_host]['gatewayv4'] }} -j ACCEPT
# Cluster
{% for selected_host in groups['cluster_nodes'] %}
-A INPUT -s {{ hostvars[selected_host]['ipv4'] }} -j ACCEPT
{% endfor %}
# Local
-A INPUT -i docker0 -j ACCEPT
-A INPUT -s 127.0.0.1/8 -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
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