nixos-config/system/network.nix

{ pkgs, ... }:
{
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
  # Enable networking
  networking.networkmanager.enable = true;
  # Open kde connect ports
  programs.kdeconnect.enable = true;

  networking.firewall = {
    enable = true;
    logRefusedConnections = false;
  };

  # Enable CUPS to print documents.
  # services.printing.enable = true;

  security.rtkit.enable = true;
  services.openssh = {
    enable = true;
    ports = [ 9022 ];
    settings = {
      PermitRootLogin = "no";
      PasswordAuthentication = false;
      KbdInteractiveAuthentication = false;
    };
  };
}