231 lines
7.2 KiB
Nix
231 lines
7.2 KiB
Nix
# 10.0.0.0/24 - phys clients (lan).
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# 10.1.0.0/24 - containers.
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# 10.1.1.0/24 - vpn clients.
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{
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config,
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const,
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lib,
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util,
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...
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}: let
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external = "188.242.247.132"; # Wan host IP address.
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internal = "10.0.0.1"; # Lan host IP address.
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wifi = "10.0.0.2"; # Wifi router IP address.
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lan = "br0"; # Lan interface.
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wan = "enp8s0"; # Wan interface.
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in {
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# Disable SSH access from everywhere, configure access bellow.
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services.openssh.openFirewall = false;
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# NOTE: Debugging.
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# systemd.services."systemd-networkd".environment.SYSTEMD_LOG_LEVEL = "debug";
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# Wan configuration.
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# REF: https://nixos.wiki/wiki/Systemd-networkd
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# REF: man 5 systemd.network
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# REF: Wifi config: https://openwrt.org/docs/guide-user/network/wifi/wifiextenders/bridgedap#wireless_access_point_-_dumb_access_point
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systemd.network = {
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enable = true;
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networks = {
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"10-${wan}" = {
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matchConfig.Name = wan;
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linkConfig.RequiredForOnline = "carrier";
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dhcpV4Config = {
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ClientIdentifier = "mac";
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UseDNS = false;
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UseRoutes = true;
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};
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dhcpV6Config = {
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DUIDRawData = "00:03:00:01:a8:a1:59:47:fd:a2";
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DUIDType = "vendor";
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UseDNS = false;
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WithoutRA = "solicit";
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# PrefixDelegationHint = "::/56";
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};
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networkConfig = {
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DHCP = "yes";
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DNS = "1.1.1.1";
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IPv6AcceptRA = true;
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IPv6SendRA = false;
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DHCPPrefixDelegation = true;
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};
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dhcpPrefixDelegationConfig = {
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UplinkInterface = ":self";
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SubnetId = 0;
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Announce = false;
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};
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};
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"20-enp6s0f0" = {
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linkConfig.RequiredForOnline = "enslaved";
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matchConfig.Name = "enp6s0f0";
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networkConfig.Bridge = lan;
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};
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"20-enp6s0f1" = {
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linkConfig.RequiredForOnline = "enslaved";
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matchConfig.Name = "enp6s0f1";
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networkConfig.Bridge = lan;
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};
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"20-enp7s0f0" = {
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linkConfig.RequiredForOnline = "enslaved";
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matchConfig.Name = "enp7s0f0";
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networkConfig.Bridge = lan;
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};
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"20-enp7s0f1" = {
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linkConfig.RequiredForOnline = "enslaved";
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matchConfig.Name = "enp7s0f1";
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networkConfig.Bridge = lan;
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};
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"30-${lan}" = {
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matchConfig.Name = lan;
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bridgeConfig = {};
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linkConfig.RequiredForOnline = "carrier";
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address = [
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"10.0.0.1/24"
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];
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networkConfig = {
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DHCPPrefixDelegation = true;
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DHCPServer = true;
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IPv6AcceptRA = false;
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IPv6SendRA = true;
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};
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ipv6SendRAConfig = {
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# EmitDNS = true;
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# DNS = ":self";
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};
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dhcpPrefixDelegationConfig = {
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Announce = true;
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SubnetId = 1;
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UplinkInterface = wan;
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};
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dhcpServerConfig = {
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DNS = "10.0.0.1";
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DefaultLeaseTimeSec = "12h";
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EmitDNS = true;
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EmitNTP = true;
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EmitRouter = true;
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EmitTimezone = true;
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MaxLeaseTimeSec = "24h";
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PoolOffset = 100;
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PoolSize = 150;
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ServerAddress = "10.0.0.1/24";
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Timezone = const.timeZone;
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UplinkInterface = wan;
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};
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dhcpServerStaticLeases = let
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mkStatic = Address: MACAddress: { dhcpServerStaticLeaseConfig = { inherit Address MACAddress; }; };
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in [
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# TODO: Add pocket.
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(mkStatic "10.0.0.2" "9c:9d:7e:8e:3d:c7") # Wifi AP.
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(mkStatic "10.0.0.3" "d8:bb:c1:cc:da:30") # Desktop.
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(mkStatic "10.0.0.4" "2c:be:eb:52:53:2b") # Phone.
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(mkStatic "10.0.0.5" "14:85:7f:eb:6c:25") # Work.
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(mkStatic "10.0.0.6" "08:38:e6:31:54:b6") # Tablet.
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(mkStatic "10.0.0.7" "2c:f0:5d:3b:07:78") # Dasha.
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(mkStatic "10.0.0.8" "ac:5f:ea:ef:b5:05") # Dasha phone.
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(mkStatic "10.0.0.9" "10:b1:df:ea:18:57") # Laptop.
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(mkStatic "10.0.0.10" "9c:1c:37:62:3f:d5") # Printer.
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(mkStatic "10.0.0.11" "dc:a6:32:f5:77:95") # RPi.
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(mkStatic "10.0.0.12" "ec:9c:32:ad:bc:4a") # Camera.
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];
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};
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};
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netdevs = {
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"10-${lan}" = {
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netdevConfig = {
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Kind = "bridge";
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Name = lan;
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};
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};
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};
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};
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networking = {
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dhcpcd.enable = false;
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useDHCP = false;
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useNetworkd = true;
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networkmanager.enable = lib.mkForce false;
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firewall = {
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enable = true;
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allowPing = true;
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rejectPackets = false; # Drop.
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logRefusedConnections = false;
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logReversePathDrops = false;
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logRefusedPackets = false;
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logRefusedUnicastsOnly = true;
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extraCommands = let
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# Container configs.
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cfg = config.container.module;
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# Const.
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tcp = "tcp";
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udp = "udp";
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# Create port forwarding rule.
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mkForward = src: sport: dst: dport: proto: "iptables -t nat -I PREROUTING -d ${src} -p ${proto} --dport ${toString sport} -j DNAT --to-destination ${dst}:${toString dport}\n";
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in (util.trimTabs ''
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# Wan access for 10.0.0.0/24 subnet.
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iptables -t nat -A POSTROUTING -s 10.0.0.0/24 -d 0/0 -o ${wan} -j MASQUERADE
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# Full access from VPN clients.
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iptables -I INPUT -j ACCEPT -s ${cfg.vpn.clients} -d ${internal}
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iptables -I INPUT -j ACCEPT -s ${cfg.frkn.address} -d ${internal}
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# Full access from Lan.
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iptables -I INPUT -j ACCEPT -i ${lan} -d ${internal}
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# Allow DHCP.
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iptables -I INPUT -j ACCEPT -i ${lan} -p udp --dport 67
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'')
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# Expose DNS server for internal network.
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+ (mkForward internal cfg.dns.port cfg.dns.address cfg.dns.port tcp)
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+ (mkForward internal cfg.dns.port cfg.dns.address cfg.dns.port udp)
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# Email server.
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+ (mkForward external 25 cfg.mail.address 25 tcp)
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+ (mkForward internal 25 cfg.mail.address 25 tcp)
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+ (mkForward internal 465 cfg.mail.address 465 tcp)
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+ (mkForward internal 993 cfg.mail.address 993 tcp)
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# FRKN internal proxy server.
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+ (mkForward internal cfg.frkn.port cfg.frkn.address cfg.frkn.port tcp)
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+ (mkForward internal cfg.frkn.torport cfg.frkn.address cfg.frkn.torport tcp)
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+ (mkForward internal cfg.frkn.xrayport cfg.frkn.address cfg.frkn.xrayport tcp)
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+ (mkForward internal cfg.frkn.port cfg.frkn.address cfg.frkn.port udp)
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+ (mkForward internal cfg.frkn.torport cfg.frkn.address cfg.frkn.torport udp)
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+ (mkForward internal cfg.frkn.xrayport cfg.frkn.address cfg.frkn.xrayport udp)
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# VPN connections.
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+ (mkForward external cfg.vpn.port cfg.vpn.address cfg.vpn.port udp)
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# Nginx HTTP.
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+ (mkForward external cfg.proxy.port cfg.proxy.address cfg.proxy.port tcp)
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+ (mkForward internal cfg.proxy.port cfg.proxy.address cfg.proxy.port tcp)
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# Download ports for torrents.
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+ (mkForward external 54630 cfg.download.address 54630 tcp)
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+ (mkForward external 54631 cfg.download.address 54631 tcp)
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+ (mkForward external 54630 cfg.download.address 54630 udp)
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+ (mkForward external 54631 cfg.download.address 54631 udp)
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# Git SSH connections.
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+ (mkForward external cfg.git.portSsh cfg.git.address cfg.git.portSsh tcp)
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+ (mkForward internal cfg.git.portSsh cfg.git.address cfg.git.portSsh tcp)
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# Print serivce.
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+ (mkForward internal cfg.print.port cfg.print.address cfg.print.port tcp)
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# Terraria server.
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+ (mkForward external cfg.terraria.port cfg.terraria.address cfg.terraria.port tcp)
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+ (mkForward internal cfg.terraria.port cfg.terraria.address cfg.terraria.port tcp)
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# SSH access from WAN.
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# + (mkForward external 22143 config.container.host 22143 tcp)
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;
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};
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};
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}
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