simplify dns
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8e0a0ffe71
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@ -1,15 +1,5 @@
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{ config, pkgs, hosts, flat_hosts, ... }:
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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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in {
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{ config, pkgs, ... }:
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{
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imports = [ ];
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# This value determines the NixOS release from which the default
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@ -26,43 +16,9 @@ in {
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networking.firewall.allowedTCPPorts = [ 53 ];
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networking.firewall.allowedUDPPorts = [ 53 ];
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services.unbound = {
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services.v.dns = {
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enable = true;
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package = pkgs.v.unbound;
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settings = {
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server = {
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use-syslog = "yes";
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module-config = ''"validator iterator"'';
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interface-automatic = "yes";
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interface = [ "0.0.0.0" "::0" ];
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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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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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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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};
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openFirewall = true;
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mode = "server";
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};
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}
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@ -32,7 +32,6 @@
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};
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};
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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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"127.0.0.1"
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];
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