dns module
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parent
e3771d84c4
commit
8e0a0ffe71
9 changed files with 115 additions and 10 deletions
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@ -5,7 +5,7 @@
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inputs.vault-secrets.nixosModules.vault-secrets
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# User account definitions
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./users
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./services
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./modules
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];
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# Clean /tmp on boot.
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8
nixos/common/modules/default.nix
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8
nixos/common/modules/default.nix
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@ -0,0 +1,8 @@
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{ ... }: {
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imports = [
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./dns.nix
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./flood.nix
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./unpackerr.nix
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./vmagent.nix
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];
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}
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95
nixos/common/modules/dns.nix
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95
nixos/common/modules/dns.nix
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{ config, pkgs, lib, hosts, flat_hosts, ... }:
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# DNS Module to set up Unbound DNS with all my hosts in the config
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# Used for DNS Servers and my laptop
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with lib;
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let
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inherit (builtins) filter hasAttr attrNames;
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domains = attrNames hosts;
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ipv4Host = filter (hasAttr "ip") flat_hosts;
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ipv6Hosts = filter (hasAttr "ip6") flat_hosts;
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localData = { hostname, realm, ip, ... }: ''"${hostname}.${realm}. A ${ip}"'';
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local6Data = { hostname, realm, ip6, ... }: ''"${hostname}.${realm}. AAAA ${ip6}"'';
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ptrData = { hostname, realm, ip, ... }: ''"${ip} ${hostname}.${realm}"'';
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ptr6Data = { hostname, realm, ip6, ... }: ''"${ip6} ${hostname}.${realm}"'';
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cfg = config.services.v.dns;
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in
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{
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options.services.v.dns = {
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enable = mkEnableOption "v.dns";
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to open port 53 in the firwall for unbound dns
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'';
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};
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mode = mkOption {
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type = types.strMatching "^(server|laptop)$";
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default = "laptop";
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description = ''
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Whether to configure the DNS in server mode (listen on all interfaces) or laptop mode (just on localhost)
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'';
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};
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};
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config = mkIf cfg.enable {
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networking.firewall = mkIf (cfg.openFirewall) {
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allowedTCPPorts = [ 53 ];
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allowedUDPPorts = [ 53 ];
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};
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services.unbound = {
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enable = true;
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package = pkgs.v.unbound;
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settings = {
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server = mkMerge [
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{
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use-syslog = "yes";
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module-config = ''"validator iterator"'';
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local-zone = map (localdomain: ''"${localdomain}}." transparent'') domains;
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local-data = (map localData ipv4Host) ++ (map local6Data ipv6Hosts);
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local-data-ptr = (map ptrData ipv4Host) ++ (map ptr6Data ipv6Hosts);
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private-address = [
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"127.0.0.0/8"
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"10.0.0.0/8"
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"::ffff:a00:0/104"
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"172.16.0.0/12"
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"::ffff:ac10:0/108"
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"169.254.0.0/16"
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"::ffff:a9fe:0/112"
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"192.168.0.0/16"
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"::ffff:c0a8:0/112"
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"fd00::/8"
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"fe80::/10"
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];
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}
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(mkIf (cfg.mode == "server") {
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interface-automatic = "yes";
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interface = [ "0.0.0.0" "::0" ];
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access-control = [
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"127.0.0.1/32 allow_snoop"
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"::1 allow_snoop"
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"10.42.0.0/16 allow"
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"127.0.0.0/8 allow"
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"192.168.0.0/23 allow"
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"192.168.2.0/24 allow"
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"::1/128 allow"
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];
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})
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(mkIf (cfg.mode == "laptop") {
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interface = [ "127.0.0.1" "::1" ];
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access-control = [
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"127.0.0.1/32 allow_snoop"
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"::1 allow_snoop"
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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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}
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@ -1 +0,0 @@
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{ config, lib, pkgs, ... }: { imports = [ ./flood.nix ./unpackerr.nix ./vmagent.nix ]; }
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@ -73,6 +73,7 @@ let vs = config.vault-secrets.secrets; in
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publicKey = "KgqLhmUMX6kyTjRoa/GOCrZOvXNE5HWYuOr/T3v8/VI=";
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allowedIPs = [ "10.100.0.5/32" "192.168.0.0/23" "10.10.10.0/24" ];
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endpoint = "80.60.83.220:51820";
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persistentKeepalive = 25;
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}
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];
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};
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@ -1,7 +1,12 @@
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{ ... }@a:
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{ ... }:
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{
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services.v.dns = {
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enable = true;
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openFirewall = false;
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mode = "laptop";
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};
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networking = {
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networkmanager.enable = false;
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useDHCP = true;
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wireless = {
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enable = true;
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environmentFile = "/var/lib/secrets/wireless.env";
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# TODO: Set up DNS on my laptop to prevent slow networking when servers are down
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nameservers = [
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"10.42.42.15"
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"10.42.42.16"
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"192.168.0.1"
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"1.1.1.1"
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"127.0.0.1"
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];
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firewall.allowedUDPPorts = [ 51820 ];
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# Delft
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publicKey = "kDIO3BJSYlDwRXc2zt9tR1LqKJzIPrulaRmdiYkg+m0=";
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allowedIPs = [ "10.100.0.1" "10.42.42.0/23" ];
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endpoint = "0x76.dev:51820";
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endpoint = "195.85.167.34:51820";
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persistentKeepalive = 25;
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}
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{
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"192.168.1.0/24"
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"10.10.10.0/24"
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];
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endpoint = "xirion.net:51820";
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endpoint = "80.60.83.220:51820";
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persistentKeepalive = 25;
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}
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];
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