Bruno BELANYI
5b0d12ad40
This is a self-hosted DNS server with hosts-based adblocking. I should probably have it update the hosts file more often than I will probably end up doing myself with a package... We'll see if it ends up being necessary.
64 lines
1.5 KiB
Nix
64 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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wgCfg = config.my.services.wireguard;
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cfg = config.my.services.adblock;
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in
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{
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options.my.services.adblock = with lib; {
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enable = mkEnableOption "Hosts-based adblock using unbound";
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forwardAddresses = mkOption {
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type = with types; listOf str;
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default = [
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"1.0.0.1@853#cloudflare-dns.com"
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"1.1.1.1@853#cloudflare-dns.com"
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];
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example = [
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"8.8.4.4"
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"8.8.8.8"
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];
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description = "Which DNS servers to forward queries to";
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};
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interfaces = mkOption {
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type = with types; listOf str;
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default = [
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"0.0.0.0"
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"::"
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];
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example = literalExample ''
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[
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"127.0.0.1"
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]
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'';
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description = "Which addresses to listen on";
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};
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};
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config = lib.mkIf cfg.enable {
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# Needed when connecting from Wireguard clients
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networking.firewall.allowedUDPPorts = [ 53 ];
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networking.firewall.allowedTCPPorts = [ 53 ];
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services.unbound = {
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enable = true;
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allowedAccess = [
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"127.0.0.0/24"
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"${wgCfg.net.v4.subnet}.0/${toString wgCfg.net.v4.mask}"
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"${wgCfg.net.v6.subnet}::0/${toString wgCfg.net.v6.mask}"
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];
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inherit (cfg) forwardAddresses interfaces;
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extraConfig = ''
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so-reuseport: yes
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tls-cert-bundle: /etc/ssl/certs/ca-certificates.crt
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tls-upstream: yes
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include: "${pkgs.ambroisie.unbound-zones-adblock}/hosts"
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'';
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};
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};
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}
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