nixos-servers/nixos/modules/networking/dmz_services/default.nix

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# TODO: we should split this into DHCP and DNS
# This decoupling makes it easier to put one service on another host.
{ pkgs, lib, config, dns, ... }@inputs:
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let
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cfg = config.lab.networking.dmz.services;
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kunisZoneFile = pkgs.writeTextFile {
name = "kunis-zone-file";
text = (dns.lib.toString "kun.is" (import ./zones/kun.is.nix inputs));
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};
geokunis2nlZoneFile = pkgs.writeTextFile {
name = "geokunis2nl-zone-file";
text = (dns.lib.toString "geokunis2.nl" (import ./zones/geokunis2.nl.nix inputs));
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};
in
{
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options.lab.networking.dmz.services.enable = lib.mkOption {
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default = false;
type = lib.types.bool;
description = ''
Whether to enable an authoritative DNS server and DNSmasq for DMZ network.
'';
};
config = lib.mkIf cfg.enable {
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# TODO Remove this; make this explicit in the machine config.
lab.networking.dmz.allowConnectivity = true;
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# TODO: listen only on dmz interface, make this portable between physical and VM.
networking.firewall = {
allowedTCPPorts = [ 53 5353 ];
allowedUDPPorts = [ 53 67 5353 ];
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};
services = {
bind = {
enable = true;
forwarders = [ ];
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extraOptions = ''
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allow-transfer { none; };
allow-recursion { none; };
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version none;
notify no;
'';
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zones = {
"kun.is" = {
master = true;
file = kunisZoneFile;
allowQuery = [ "any" ];
};
"geokunis2.nl" = {
master = true;
file = geokunis2nlZoneFile;
allowQuery = [ "any" ];
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slaves = [
"87.253.155.96/27"
"157.97.168.160/27"
];
};
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};
};
dnsmasq = {
enable = true;
settings = import ./dnsmasq.nix inputs;
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};
};
};
}