{ ... }:
{
  networking = {
    hostName = "public-cof";

    useDHCP = false;
    interfaces.ens18 = {
      useDHCP = true;
      ipv6.addresses = [{
        address = "2001:470:1f13:187:c08e:feff:fe4d:f5f5";
        prefixLength = 64;
      }];
    };

    firewall.allowedTCPPorts = [ 22 ];
    firewall.allowedUDPPorts = [ 22 ];
    firewall.enable = true;
  };
}