{ config, lib, pkgs, ... }: { config = lib.mkIf config.virtualisation.incus.enable { networking.firewall.interfaces.incusbr0 = let ports = [ 53 67 ]; in { allowedTCPPorts = ports; allowedUDPPorts = ports; }; environment.persistence."/persist".directories = [ "/var/lib/incus" ]; }; }