diff --git a/nix/os/devices/router0-dmz0/configuration.nix b/nix/os/devices/router0-dmz0/configuration.nix
index 43dd7d3..d27db2b 100644
--- a/nix/os/devices/router0-dmz0/configuration.nix
+++ b/nix/os/devices/router0-dmz0/configuration.nix
@@ -275,13 +275,17 @@ in {
 
           vlan-to-fw = {
             allowedUDPPortRanges = [
+              {
+                from = 53;
+                to = 53;
+              }
               {
                 from = 67;
                 to = 68;
               }
               {
-                from = 53;
-                to = 53;
+                from = 5201;
+                to = 5201;
               }
             ];
             allowedTCPPortRanges = [