{
  lib,
  gensokyo-zone,
  ...
}: let
  inherit (gensokyo-zone.lib) mapAlmostOptionDefaults mkAlmostOptionDefault;
  inherit (lib.attrsets) mapAttrs;
in {
  config.exports.services.ldap = {config, ...}: {
    defaults.port.listen = mkAlmostOptionDefault "lan";
    ports = mapAttrs (_: mapAlmostOptionDefaults) {
      default = {
        port = 389;
        transport = "tcp";
      };
      ssl = {
        port = 636;
        ssl = true;
        listen = "wan";
      };
    };
  };
}