change file copy to soft link

modules/nixos/core/default.nix

@@ -15,11 +15,7 @@
   networking.firewall = lib.mkDefault {
     enable = true;
     allowedTCPPorts = [ 22 80 443 ]; # 根据需要调整
-    allowedUDPPorts = [ 53 ]; # 根据需要调整
-    # 如果需要，可以添加特定服务的规则
-    allowedTCPPortRanges = [
-      { from = 1714; to = 1764; } # KDE Connect
-    ];
+    allowedUDPPorts = [ 9 53 ]; # 9: wol, 53: dns
   };
 
   # Select internationalisation properties.