{ ... }: { boot.loader.grub = { enable = true; device = "/dev/vda"; }; networking = { hostName = "unifi-controller"; firewall = { allowedTCPPorts = [ 53 8080 8443 8880 8843 6789 27117 ]; allowedUDPPorts = [ 53 3478 5514 10001 1900 123 ]; allowedUDPPortRanges = [ { from = 5656; to = 5699; } ]; }; }; system.stateVersion = "23.11"; }