ansible-ffibk/roles/network-iptables-gateway/templates/rules.v6.j2

#
# {{ ansible_managed }}
#
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
{% for mesh in meshes %}
-A FORWARD -i {{ mesh.id }}br -o {{ mesh.id }}br -j ACCEPT
{% endfor %}
-A FORWARD -m conntrack --ctstate INVALID -j DROP
-A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m conntrack --ctstate INVALID -j DROP
-A OUTPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
COMMIT
*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A POSTROUTING -o ffrl+ -p tcp -m tcp --tcp-flags SYN,RST SYN -m tcpmss ! --mss 0:{{ internet_exit_tcp_mss_ipv6 }} -j TCPMSS --set-mss {{ internet_exit_tcp_mss_ipv6 }}
COMMIT
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
COMMIT