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*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
{% if 'fastd' in group_names %}
{% for site in sites %}
-A PREROUTING -i bat{{ site.name }} -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
{% endif %}
{% if 'fastd' in group_names %}
{% for peer in groups['uplink'] %}
-A PREROUTING -i bb{{ hostvars[peer]['wireguard_bb_name'] }} ! -s fe80::/64 ! -d fe80::/64 -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
{% endif %}
{% if 'uplink' in group_names %}
{% for peer in groups['fastd'] %}
-A PREROUTING -i bb{{ hostvars[peer]['wireguard_bb_name'] }} ! -s fe80::/64 ! -d fe80::/64 -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
{% for peer in groups['uplink'] | difference([inventory_hostname]) %}
-A PREROUTING -i bb{{ hostvars[peer]['wireguard_bb_name'] }} ! -s fe80::/64 ! -d fe80::/64 -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
{% for peer in wireguard_bb_peers %}
-A PREROUTING -i bb{{ peer.name }} ! -s fe80::/64 ! -d fe80::/64 -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
{% endif %}
COMMIT
*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmpv6 -j ACCEPT
# SSH-Server
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
# munin
-A INPUT -p tcp -m tcp --dport 4949 -j ACCEPT
# iperf3
-A INPUT -p tcp -m tcp -s 2a03:2260:1016::/48 --dport 5201 -j ACCEPT
{% if 'fastd' in group_names %}
# dns
-A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -p udp -m udp --dport 53 -j ACCEPT
# http
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
# ntp
-A INPUT -p udp -m udp --dport 123 -j ACCEPT
# fastd / wg
-A INPUT -s 2a03:2260:1016::/48 -p udp -m udp --dport 10010:10023 -j DROP
-A INPUT -p udp -m udp --dport 10010:10023 -j ACCEPT
# respondd
-A INPUT -i bat+ -p udp -m udp --dport 1001 -j ACCEPT
# wireguard_mesh
{% for site in sites %}
-A INPUT -p udp -m udp --dport {{ site.wireguard_mesh_port }} -j ACCEPT
-A INPUT -i wg{{ site.name }} -p udp --dport 8472 -j ACCEPT
{% endfor %}
{% endif %}
# wireguard_backbone
{% if 'fastd' in group_names %}
{% for peer in groups['uplink'] %}
-A INPUT -i bb{{ hostvars[peer]['wireguard_bb_name'] }} -p udp --dport 6696 -j ACCEPT
-A INPUT -p udp --dport {{ hostvars[peer]['wireguard_bb_port'] }} -j ACCEPT
{% endfor %}
{% endif %}
{% if 'uplink' in group_names %}
{% for peer in groups['fastd'] %}
-A INPUT -i bb{{ hostvars[peer]['wireguard_bb_name'] }} -p udp --dport 6696 -j ACCEPT
-A INPUT -p udp --dport {{ hostvars[peer]['wireguard_bb_port'] }} -j ACCEPT
{% endfor %}
{% for peer in groups['uplink'] | difference([inventory_hostname]) %}
-A INPUT -i bb{{ hostvars[peer]['wireguard_bb_name'] }} -p udp --dport 6696 -j ACCEPT
-A INPUT -p udp --dport {{ hostvars[peer]['wireguard_bb_port'] }} -j ACCEPT
{% endfor %}
{% for peer in wireguard_bb_peers|default([]) %}
-A INPUT -i bb{{ peer.name }} -p udp --dport 6696 -j ACCEPT
-A INPUT -p udp --dport {{ peer.port }} -j ACCEPT
{% endfor %}
{% endif %}
# MOSH
-A INPUT -p udp -m udp --dport 60000:61000 -j ACCEPT
# ffrl bgp
{% if 'ffrl_uplink' in group_names %}
{% for peer in ffrl_peers %}
-A INPUT -i {{ peer.name }} -p tcp -m tcp --dport 179 -j ACCEPT
{% endfor %}
{% endif %}
# LOG
-A INPUT -m limit --limit 2/min -j LOG --log-prefix "IP6Tables-Dropped input: " --log-level 4
{% if 'fastd' in group_names %}
{% for site in sites %}
-A FORWARD -i bat{{ site.name }} -p udp --dport 10010:10021 -j REJECT
{% endfor %}
{% endif %}
-A FORWARD -o {{ ansible_default_ipv6.interface }} -j REJECT
-A FORWARD -d 2a03:2260:1016::/48 -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
-A FORWARD -s 2a03:2260:1016::/48 -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
COMMIT
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
COMMIT
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