nix-home/modules/services/edns/default.nix

59 lines
1.8 KiB
Nix

{ pkgs, config, lib, ... }:
with lib;
let
cfg = config.nki.services.edns;
in
{
options.nki.services.edns = {
enable = mkEnableOption "Enable encrypted DNS";
ipv6 = mkEnableOption "Enable ipv6";
cloaking-rules = mkOption {
type = types.attrsOf types.str;
default = { };
description = "A set of domain -> ip mapping for cloaking_rules";
};
};
config = mkIf cfg.enable {
# networking.nameservers = [ "127.0.0.1" "::1" ];
# networking.resolvconf.enable = mkOverride 1000 false;
# networking.dhcpcd.extraConfig = "nohook resolv.conf";
# networking.networkmanager.dns = "none";
services.dnscrypt-proxy2 = {
enable = true;
settings = {
server_names = [ ]; # Pick a server yourself
# Filters
ipv6_servers = cfg.ipv6;
require_dnssec = true;
require_nofilter = true;
# Sources
sources.public_resolvers = {
urls = [ "https://raw.githubusercontent.com/DNSCrypt/dnscrypt-resolvers/master/v3/public-resolvers.md" "https://download.dnscrypt.info/resolvers-list/v3/public-resolvers.md" ];
cache_file = "/var/lib/dnscrypt-proxy/public_resolvers.md";
minisign_key = "RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3";
};
# Making things go fast
block_ipv6 = !cfg.ipv6;
# Anonymized DNS
anonymized_dns.routes = [
{ server_name = "*"; via = [ "anon-plan9-dns" "anon-v.dnscrypt.up-ipv4" ]; }
];
anonymized_dns.skip_incompatible = true;
# Cloaking rules
cloaking_rules = pkgs.writeText "cloaking_rules.txt" (lib.strings.concatStringsSep
"\n"
(lib.attrsets.mapAttrsToList (name: ip: "${name} ${ip}") cfg.cloaking-rules));
};
};
};
}