71 lines
1.8 KiB
Nix
71 lines
1.8 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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adblockLocalZones = pkgs.stdenv.mkDerivation {
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name = "unbound-zones-adblock";
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src = (pkgs.fetchFromGitHub {
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owner = "StevenBlack";
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repo = "hosts";
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rev = "3.16.20";
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sha256 = "sha256-z3VWoF5/evd0n97AmrWgSskaNqVaad0Ex2pn53JHkSk=";
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} + "/hosts");
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phases = [ "installPhase" ];
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installPhase = ''
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${pkgs.gawk}/bin/awk '{sub(/\r$/,"")} {sub(/^127\.0\.0\.1/,"0.0.0.0")} BEGIN { OFS = "" } NF == 2 && $1 == "0.0.0.0" { print "local-zone: \"", $2, "\" static"}' $src | tr '[:upper:]' '[:lower:]' | sort -u > $out
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'';
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};
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in {
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services.resolved.enable = false;
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networking.firewall.allowedTCPPorts = [ 53 ];
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networking.firewall.allowedUDPPorts = [ 53 ];
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services.unbound = {
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enable = true;
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settings = {
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server = {
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port = 53;
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interface = [ "0.0.0.0" "127.0.0.1" ];
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access-control = [
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"127.0.0.0/8 allow"
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"10.0.0.0/8 allow"
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"172.16.0.0/12 allow"
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"192.168.0.0/16 allow"
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];
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include = [ "${adblockLocalZones}" ];
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num-threads = 2;
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so-reuseport = "yes";
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hide-identity = "yes";
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hide-version = "yes";
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qname-minimisation = "yes";
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harden-dnssec-stripped = "yes";
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prefetch = "yes";
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serve-expired = "yes";
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rrset-roundrobin = "yes";
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do-ip6 = "no";
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do-udp = "yes";
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do-tcp = "yes";
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};
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forward-zone = [{
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name = ".";
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forward-tls-upstream = "yes";
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forward-addr = [
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"1.1.1.1@853#cloudflare-dns.com"
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"1.0.0.1@853#cloudflare-dns.com"
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"8.8.8.8@853#dns.google"
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"8.8.4.4@853#dns.google"
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];
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}];
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};
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};
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networking.resolvconf.enable = false;
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environment.etc."resolv.conf".text = ''
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nameserver 127.0.0.1
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options edns0
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'';
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}
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