ffmyk-ansible/roles/configure_iptables/templates/iptables.rules

*mangle
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
{% for site in sites %}
-A PREROUTING -i bat{{ site.name }} -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
{% for peer in wireguard_bb_peers %}
-A PREROUTING -i bb{{ peer.name }} -j MARK --set-xmark 0x1/0xffffffff
{% endfor %}
COMMIT
*filter
:INPUT DROP [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -s 127.0.0.1/32 -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT

# SSH-Server
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
# dns
-A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
-A INPUT -p udp -m udp --dport 53 -j ACCEPT
#dhcp
{% for site in sites %}
-I INPUT -i bat{{ site.name }} -p udp --dport 67:68 --sport 67:68 -j ACCEPT
{% endfor %}
# ntp
-A INPUT -p udp -m udp --dport 123 -j ACCEPT
# fastd
-A INPUT -p udp -m udp --dport 10010:10021 -j ACCEPT
# MOSH
-A INPUT -p udp -m udp --dport 60000:61000 -j ACCEPT
-A INPUT -m limit --limit 2/min -j LOG --log-prefix "IPTables-Dropped input: " --log-level 4

{% for site in sites %}
-A FORWARD -i bat{{ site.name }} -p udp --dport 10010:10021 -j REJECT
{% endfor %}
-A FORWARD -o {{ ansible_default_ipv4.interface }} -j REJECT
COMMIT
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A POSTROUTING -o mullvad -j MASQUERADE
COMMIT