{ config, pkgs, ... }: { networking.hostName = "benq-serv"; networking.networkmanager.enable = true; networking.firewall.allowedTCPPorts = [ 22 80 443 ]; networking.firewall.allowedUDPPorts = []; boot.kernelModules = [ "tcp_bbr" ]; boot.kernel.sysctl = { "net.ipv4.tcp_congestion_control" = "bbr"; "net.core.default_qdisc" = "fq"; }; }