{ config, ... }: { boot.loader.grub = { enable = true; device = "/dev/vda"; }; networking = { hostName = "coturn"; firewall = { enable = true; allowedTCPPorts = [ 80 3478 5349 ]; allowedUDPPorts = [ 3478 5349 ]; allowedUDPPortRanges = [{ from = config.services.coturn.min-port; to = config.services.coturn.max-port; }]; }; }; system.stateVersion = "23.05"; }