diff --git a/app-network.nix b/app-network.nix
index fb49b6b..6c98a49 100644
--- a/app-network.nix
+++ b/app-network.nix
@@ -24,4 +24,7 @@
     openvpn
     tinc
   ];
+
+  networking.firewall.allowedTCPPorts = [5201]; # iperf
+  networking.firewall.allowedUDPPorts = [5201]; # iperf
 }