nix-config/modules/nixos/tailscale.nix
2026-01-23 09:25:22 +01:00

32 lines
1.1 KiB
Nix

{ config, ... }:
{
services.tailscale = {
enable = true;
useRoutingFeatures = "both";
extraUpFlags = [ "--ssh" ];
};
networking = {
nftables.enable = true;
firewall = {
enable = true;
# Always allow traffic from your Tailscale network
trustedInterfaces = [ "${config.services.tailscale.interfaceName}" ];
# Allow the Tailscale UDP port through the firewall
allowedUDPPorts = [ config.services.tailscale.port ];
checkReversePath = "loose";
};
};
# 2. Force tailscaled to use nftables (Critical for clean nftables-only systems)
# This avoids the "iptables-compat" translation layer issues.
systemd.services.tailscaled.serviceConfig.Environment = [
"TS_DEBUG_FIREWALL_MODE=nftables"
];
# 3. Optimization: Prevent systemd from waiting for network online
# (Optional but recommended for faster boot with VPNs)
# systemd.network.wait-online.enable = false;
# boot.initrd.systemd.network.wait-online.enable = false;
systemd.network.wait-online.ignoredInterfaces = [ "${config.services.tailscale.interfaceName}" ];
}