nix-config/aspects/hosts/_alexandria/unbound.nix
2026-02-12 18:50:38 -03:00

57 lines
1.2 KiB
Nix

{ inputs, lib, ... }:
let
services = inputs.self.services;
in
{
services.unbound = {
enable = true;
enableRootTrustAnchor = true;
settings = {
server = {
interface = [
"0.0.0.0"
"::"
];
access-control = [
"127.0.0.0/8 allow"
"192.168.0.0/16 allow"
"::1/128 allow"
];
num-threads = 2;
msg-cache-size = "50m";
rrset-cache-size = "100m";
cache-min-ttl = 300;
cache-max-ttl = 86400;
prefetch = true;
prefetch-key = true;
hide-identity = true;
hide-version = true;
so-rcvbuf = "1m";
so-sndbuf = "1m";
# LAN-only DNS records
local-zone = ''"baduhai.dev." transparent'';
local-data = map (e: ''"${e.domain}. IN A ${e.lanIP}"'') (lib.filter (e: e.lanIP != null) services);
};
forward-zone = [
{
name = ".";
forward-addr = [
"1.1.1.1@853#cloudflare-dns.com"
"1.0.0.1@853#cloudflare-dns.com"
];
forward-tls-upstream = true;
}
];
};
};
networking.firewall = {
allowedTCPPorts = [ 53 ];
allowedUDPPorts = [ 53 ];
};
}