diff --git a/systems/x86_64-linux/sgx-nixos/default.nix b/systems/x86_64-linux/sgx-nixos/default.nix
index 7912e96..a041c8c 100644
--- a/systems/x86_64-linux/sgx-nixos/default.nix
+++ b/systems/x86_64-linux/sgx-nixos/default.nix
@@ -52,6 +52,8 @@ with lib.metacfg;
   security.tpm2.abrmd.enable = false;
 
   networking.wireless.enable = false; # Enables wireless support via wpa_supplicant.
+  networking.firewall.allowedTCPPorts = [ 8080 ];
+  networking.firewall.allowPing = true;
 
   powerManagement.cpuFreqGovernor = "ondemand";