From 6ef6aa8d628b0c7eeeec37d0c5b43df6d87f8b33 Mon Sep 17 00:00:00 2001 From: Niklas Yann Wettengel Date: Wed, 12 Jul 2017 00:49:47 +0200 Subject: iptables: use template --- roles/configure_iptables/templates/ip6tables.rules | 37 ++++++++++++++++++ roles/configure_iptables/templates/iptables.rules | 44 ++++++++++++++++++++++ 2 files changed, 81 insertions(+) create mode 100644 roles/configure_iptables/templates/ip6tables.rules create mode 100644 roles/configure_iptables/templates/iptables.rules (limited to 'roles/configure_iptables/templates') 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 -- cgit v1.2.3-54-g00ecf