diff --git a/hosts/nixos/vps/system.nix b/hosts/nixos/vps/system.nix
index 70cbf10..7b77986 100644
--- a/hosts/nixos/vps/system.nix
+++ b/hosts/nixos/vps/system.nix
@@ -42,7 +42,8 @@
     useDHCP = true; # VPS typically use DHCP
     firewall = {
       enable = true;
-      allowedTCPPorts = [ 22 80 443 ]; # SSH, HTTP, HTTPS
+      allowedTCPPorts = [ 22 80 443 22000 ];
+      allowedUDPPorts = [ 22000 ];
       trustedInterfaces = [ "tailscale0" ];
     };
   };