148 lines
5.4 KiB
Nix
148 lines
5.4 KiB
Nix
{ ... }: {
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networking = {
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nat.enable = true;
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firewall = {
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enable = true;
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extraCommands = ''
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iptables -A INPUT -i lo -j ACCEPT
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iptables -A INPUT -i wan -j ACCEPT
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iptables -A INPUT -i lan -j ACCEPT
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iptables -A INPUT -i wg_cloonar -j ACCEPT
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iptables -A INPUT -p udp -i smart -m multiport --dports 53,67,68 -j ACCEPT
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iptables -A INPUT -p udp -i multimedia -m multiport --dports 53,67,68 -j ACCEPT
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iptables -A INPUT -p tcp -i smart -m multiport --dports 80,443,453 -j ACCEPT
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iptables -A INPUT -p tcp -i multimedia -m multiport --dports 80,443,453 -j ACCEPT
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iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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iptables -A FORWARD -i wan -d 10.42.0.0/16 -j ACCEPT
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iptables -A FORWARD -i lan -d 10.42.0.0/16 -j ACCEPT
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iptables -A FORWARD -i wg_cloonar -d 10.42.0.0/16 -j ACCEPT
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iptables -A FORWARD -i lan -o wan -j ACCEPT
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iptables -A FORWARD -i server -o wan -j ACCEPT
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iptables -A FORWARD -i multimedia -o wan -j ACCEPT
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iptables -A FORWARD -i smart -o wan -j ACCEPT
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iptables -A FORWARD -i wg_cloonar -o wan -j ACCEPT
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iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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iptables -t nat -A POSTROUTING -o wan -j MASQUERADE
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iptables -t nat -A POSTROUTING -o wrwks -j MASQUERADE
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iptables -t nat -A POSTROUTING -o wg_epicenter -j MASQUERADE
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iptables -t nat -A POSTROUTING -o wg_ghetto_at -j MASQUERADE
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'';
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};
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# nftables = {
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# enable = true;
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# ruleset = ''
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# table inet filter {
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# # enable flow offloading for better throughput
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# # flowtable f {
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# # hook ingress priority 0;
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# # devices = { lan, server, wg_cloonar, smart, multimedia, guest };
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# # }
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#
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# chain output {
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# type filter hook output priority 100; policy accept;
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# }
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#
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# chain input {
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# type filter hook input priority filter; policy drop;
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#
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# # accept any localhost traffic
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# iifname lo accept
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#
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# # Allow trusted networks to access the router
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# iifname {
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# "wan", # disable when final
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# "lan",
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# "wg_cloonar"
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# } counter accept
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#
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# # Allow networks to access the dns and dhcp
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# iifname {
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# "lan",
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# "server",
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# "wg_cloonar",
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# "smart",
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# "multimedia"
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# } udp dport { 53, 67, 68 } counter accept
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# iifname {
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# "lan",
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# "server",
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# "wg_cloonar",
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# "smart",
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# "multimedia"
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# } tcp dport { 80, 443, 853 } counter accept
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#
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# # Accept mDNS for avahi reflection
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# # iifname "multimedia" ip saddr <chromecast IP> tcp dport { llmnr } counter accept
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# # iifname "multimedia" ip saddr <chromecast IP> udp dport { mdns, llmnr } counter accept
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#
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# # Allow returning traffic from wg_cloonar and drop everthing else
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# iifname "wg_cloonar" ct state { established, related } counter accept
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# iifname "wg_cloonar" drop
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#
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# iifname "wan" ct state { established, related } accept comment "Allow established traffic"
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# iifname "wan" icmp type { echo-request, destination-unreachable, time-exceeded } counter accept comment "Allow select ICMP"
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# iifname "wan" counter drop comment "Drop all other unsolicited traffic from wan"
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# }
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#
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# chain forward {
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# type filter hook forward priority filter; policy drop;
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#
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# # enable flow offloading for better throughput
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# # ip protocol { tcp, udp } flow offload @f
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#
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# # multimedia airplay
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# iifname "multimedia" oifname { "lan" } counter accept
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#
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# # lan and vpn to any
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# # TODO: disable wan when finished
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# iifname { "wan", "lan", "wg_cloonar" } oifname { "lan", "server", "podman0", "multimedia", "smart", "wrwks", "wg_cloonar", "wg_epicenter", "wg_ghetto_at" } counter accept
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#
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# # Allow trusted network WAN access
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# iifname {
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# "lan",
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# "server",
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# "podman0",
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# "multimedia",
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# "smart",
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# "wg_cloonar",
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# } oifname {
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# "wan",
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# } counter accept comment "Allow trusted LAN to WAN"
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#
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# # Allow established WAN to return
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# iifname {
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# "wan",
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# } oifname {
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# "lan",
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# "server",
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# "podman0",
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# "multimedia",
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# "smart",
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# "wg_cloonar",
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# } ct state { established, related } counter accept comment "Allow established back to LANs"
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# }
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# }
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#
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# table ip nat {
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# chain prerouting {
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# type nat hook prerouting priority filter; policy accept;
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# }
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#
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# # Setup NAT masquerading on the ppp0 interface
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# chain postrouting {
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# type nat hook postrouting priority filter; policy accept;
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# # oifname { "wan", "wrwks", "wg_epicenter", "wg_ghetto_at" } masquerade
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# oifname { "wan" } masquerade
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# }
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# }
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# '';
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# };
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};
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}
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