diff --git a/nixos/boxes/vpsfree1/default.nix b/nixos/boxes/vpsfree1/default.nix
index 430032b5..e9eb1d16 100644
--- a/nixos/boxes/vpsfree1/default.nix
+++ b/nixos/boxes/vpsfree1/default.nix
@@ -12,6 +12,13 @@
     ./cryptpad.nix
   ];
 
+  networking.firewall.allowedTCPPorts = [ 22067 22070 ];
+  services.syncthing.relay = {
+    enable = true;
+    listenAddress = "vpsfree1.cyplo.github.beta.tailscale.net";
+    pools = [ "" ]; # private relay
+    extraOptions = [ "-debug" ];
+  };
   systemd.extraConfig = ''
     DefaultTimeoutStartSec=900s
   '';