diff --git a/hosts/lifebook/hardware-configuration.nix b/hosts/lifebook/hardware-configuration.nix
index 5a8a004..e428616 100644
--- a/hosts/lifebook/hardware-configuration.nix
+++ b/hosts/lifebook/hardware-configuration.nix
@@ -210,7 +210,7 @@
     #defaultGateway = "192.168.0.1";
     #nameservers = [ "192.168.0.4" ];
     firewall = {
-      #checkReversePath = false;
+      checkReversePath = false;
       enable = true;
       allowedUDPPorts = [ 24727 51820 ];
       allowedTCPPorts = [ 24727 ];