iptables: use template

2 files changed, 81 insertions, 0 deletions

diff --git a/roles/configure_iptables/templates/ip6tables.rules b/roles/configure_iptables/templates/ip6tables.rules
new file mode 100644
index 0000000..3ae179f
--- /dev/null
+++ b/roles/configure_iptables/templates/ip6tables.rules
@@ -0,0 +1,37 @@
+*filter
+:INPUT DROP [0:0]
+:FORWARD DROP [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
+# dns
+-A INPUT -p tcp -m tcp --dport 53 -j ACCEPT
+-A INPUT -p udp -m udp --dport 53 -j ACCEPT
+# ntp
+-A INPUT -p udp -m udp --dport 123 -j ACCEPT
+# fastd
+-A INPUT -p udp -m udp --dport 10010:10021 -j ACCEPT
+# wireguard_mesh
+{% for site in sites %}
+-A INPUT -p udp -m udp --dport {{ site.wireguard_mesh_port }} -j ACCEPT
+-A INPUT -s {{ site.wireguard_mesh_address }}/48 -p gre -j ACCEPT
+{% endfor %}
+# wireguard_backbone
+-A INPUT -s fdff:4d59:4bbb::/48 -p gre -j ACCEPT
+{% for peer in wireguard_bb_peers %}
+-A INPUT -i bb{{ peer.name }} -p udp --dport 6696 -j ACCEPT
+{% endfor %}
+# MOSH
+-A INPUT -p udp -m udp --dport 60000:61000 -j ACCEPT
+# LOG
+-A INPUT -m limit --limit 2/min -j LOG --log-prefix "IP6Tables-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 -m limit --limit 2/min -j LOG --log-prefix "IP6Tables-Dropped forward: " --log-level 4
+COMMIT
diff --git a/roles/configure_iptables/templates/iptables.rules b/roles/configure_iptables/templates/iptables.rules
new file mode 100644
index 0000000..2ae5610
--- /dev/null
+++ b/roles/configure_iptables/templates/iptables.rules
@@ -0,0 +1,44 @@
+*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 %}
+COMMIT
+*filter
+:INPUT DROP [0:0]
+:FORWARD DROP [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
+-I INPUT -i bat0 -p udp --dport 67:68 --sport 67:68 -j ACCEPT
+# 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 -m limit --limit 2/min -j LOG --log-prefix "IPTables-Dropped forward: " --log-level 4
+COMMIT
+*nat
+:PREROUTING ACCEPT [0:0]
+:INPUT ACCEPT [0:0]
+:OUTPUT ACCEPT [0:0]
+:POSTROUTING ACCEPT [0:0]
+COMMIT