nixos-config/system/networking.nix
Felix Schröter 096f641fa5
fix(networking): disable IPv6 preference again
By default the system will already prefer IPv6 if possible without
causing issues e.g. with NAT.

I did indeed experience some issues with IPv6 requrests having a huge
delay using Tailscale.

The following article contains a detailed explanation about this issue:
https://www.ietf.org/archive/id/draft-buraglio-6man-rfc6724-update-03.html
2024-01-12 21:51:13 +01:00

40 lines
1 KiB
Nix

{ lib, ... }:
{
networking.nameservers = [ "127.0.0.1" "::1" ];
services.resolved = {
enable = true;
# don't use fallback resolvers
fallbackDns = [ "127.0.0.1" "::1" ];
};
services.dnscrypt-proxy2 = {
enable = true;
settings = {
listen_addresses = [ "127.0.0.1:53" "[::1]:53" ];
ipv6_servers = true;
require_nolog = true;
require_dnssec = true;
http3 = true;
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-proxy2/public-resolvers.md";
minisign_key =
"RWQf6LRCGA9i53mlYecO4IzT51TGPpvWucNSCh1CBM0QTaLn73Y7GFO3";
};
server_names = [ "mullvad-doh" "controld-unfiltered" ];
};
};
systemd.services.dnscrypt-proxy2.serviceConfig = {
StateDirectory = lib.mkForce "dnscrypt-proxy2";
};
}