Stuff
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168
nixos/router.nix
168
nixos/router.nix
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@ -1,12 +1,15 @@
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{
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lib,
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# outputs,
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# config,
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config,
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pkgs,
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...
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}: let
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# NOTE: I could turn this into a cool NixOS module?
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# TODO: review https://francis.begyn.be/blog/nixos-home-router
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# TODO: more recent: https://github.com/ghostbuster91/blogposts/blob/a2374f0039f8cdf4faddeaaa0347661ffc2ec7cf/router2023-part2/main.md
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hostname = "router";
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domain = "h.lyte.dev";
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ip = "192.168.0.1";
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cidr = "${ip}/16";
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netmask = "255.255.0.0"; # see cidr
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@ -14,8 +17,16 @@
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min = "192.168.0.5";
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max = "192.168.0.250";
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};
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wan_if = "wan0";
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lan_if = "lan0";
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interfaces = {
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wan = {
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name = "wan0";
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mac = "00:01:2e:82:73:59";
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};
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lan = {
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name = "lan0";
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mac = "00:01:2e:82:73:5a";
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};
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};
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hosts = {
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dragon = {
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identifier = "dragon";
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@ -28,6 +39,18 @@
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ip = "192.168.0.9";
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};
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};
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sysctl-entries = {
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"net.ipv4.conf.all.forwarding" = true;
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"net.ipv6.conf.all.forwarding" = true;
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# TODO: may want to disable this once it's working
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# "net.ipv6.conf.all.accept_ra" = 0;
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# "net.ipv6.conf.all.autoconf" = 0;
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# "net.ipv6.conf.all.use_tempaddr" = 0;
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# "net.ipv6.conf.${wan_if}.accept_ra" = 2;
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# "net.ipv6.conf.${wan_if}.autoconf" = 1;
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};
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in {
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imports = [
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{
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@ -51,21 +74,89 @@ in {
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boot = {
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kernel = {
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sysctl = {
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"net.ipv4.conf.all.forwarding" = true;
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"net.ipv6.conf.all.forwarding" = true;
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sysctl = sysctl-entries;
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};
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};
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# TODO: may want to disable this once it's working
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# "net.ipv6.conf.all.accept_ra" = 0;
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# "net.ipv6.conf.all.autoconf" = 0;
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# "net.ipv6.conf.all.use_tempaddr" = 0;
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environment = {
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systemPackages = with pkgs; [
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wpa_supplicant
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inetutils
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btop
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htop
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bottom
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dog
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];
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};
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"net.ipv6.conf.wan0.accept_ra" = 2;
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"net.ipv6.conf.wan0.autoconf" = 1;
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networking = {
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hostName = hostname;
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domain = domain;
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useDHCP = false;
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extraHosts = ''
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127.0.0.1 localhost
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127.0.0.2 ${hostname}.${domain} ${hostname}
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${ip} ${hostname}.${domain} ${hostname}
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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kkkkk ff02::2 ip6-allrouters
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'';
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firewall.enable = true;
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firewall.allowedTCPPorts = [
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2201
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22
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];
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};
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systemd.network = {
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enable = true;
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wait-online.anyInterface = true;
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networks = {
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"30-${interfaces.lan.name}" = {
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matchConfig.MACAddress = "${interfaces.lan.mac}";
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linkConfig.RequiredForOnline = "enslaved";
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networkConfig = {
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ConfigureWithoutCarrier = true;
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};
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};
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"10-${interfaces.wan.name}" = {
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matchConfig.MACAddress = "${interfaces.wan.mac}";
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networkConfig = {
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DHCP = true;
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DNSOverTLS = true;
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DNSSEC = true;
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IPv6PrivacyExtensions = false;
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IPForward = true;
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};
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linkConfig.RequiredForOnline = "routable";
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};
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};
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};
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systemd.services.systemd-networkd-wait-online.enable = lib.mkForce false;
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services.openssh.listenAddresses = [
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{
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addr = "0.0.0.0";
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port = 2201;
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}
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{
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addr = "0.0.0.0";
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port = 22;
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}
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{
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addr = "[::]";
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port = 2201;
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}
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{
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addr = "[::]";
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port = 22;
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}
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];
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# # services.fail2ban.enable = true;
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# services.radvd = {
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# enable = false;
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@ -181,35 +272,6 @@ in {
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# };
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# };
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environment.systemPackages = with pkgs; [
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wpa_supplicant
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inetutils
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];
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networking = {
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hostName = "router";
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domain = "h.lyte.dev";
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useDHCP = true;
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wireless.enable = true;
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# useDHCP = true;
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# nat.enable = true; # TODO: maybe replace some of the nftables stuff with this module?
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extraHosts = ''
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127.0.0.1 localhost
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${ip} router.h.lyte.dev router
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::1 localhost ip6-localhost ip6-loopback
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ff02::1 ip6-allnodes
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ff02::2 ip6-allrouters
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'';
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firewall.enable = true;
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firewall.allowedTCPPorts = [
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2201
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22
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];
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# nftables = {
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# enable = false;
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# flushRuleset = true;
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# static domain_name_servers=${ip}
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# '';
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# };
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};
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systemd.services.systemd-networkd-wait-online.enable = lib.mkForce false;
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services.openssh.listenAddresses = [
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{
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addr = "0.0.0.0";
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port = 2201;
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}
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{
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addr = "0.0.0.0";
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port = 22;
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}
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{
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addr = "[::]";
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port = 2201;
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}
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{
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addr = "[::]";
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port = 22;
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}
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];
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# };
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# systemd.network = {
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# enable = false;
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# networks = {
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