2025-05-05 11:25:23 +02:00

46 lines
1.0 KiB
Nix

{
config,
pkgs,
...
}: {
services.tailscale = {
enable = true;
useRoutingFeatures = "both";
authKeyFile = config.age.secrets.tailscale-key.path;
extraUpFlags = [
"--login-server=${config.services.headscale.settings.server_url}"
"--advertise-exit-node"
"--accept-routes"
];
};
services.networkd-dispatcher = {
enable = true;
rules."50-tailscale" = {
onState = ["routable"];
script = ''
"${pkgs.ethtool} NETDEV=$(ip -o route get 8.8.8.8 | cut -f 5 -d " ") | -K $NETDEV rx-udp-gro-forwarding on rx-gro-list off
'';
};
};
boot.kernel.sysctl = {
"net.ipv4.ip_forward" = 1;
"net.ipv6.conf.all.forwarding" = 1;
"net.core.gro_normal_batch" = 8;
"net.core.gro_flush_timeout" = 200000;
};
networking.firewall = {
trustedInterfaces = ["tailscale0"];
allowedUDPPorts = [41641];
checkReversePath = "loose";
};
environment.systemPackages = with pkgs; [
ethtool
tailscale
networkd-dispatcher
];
}