diff --git a/hosts/tien/configuration.nix b/hosts/tien/configuration.nix
index e158e91..484650a 100644
--- a/hosts/tien/configuration.nix
+++ b/hosts/tien/configuration.nix
@@ -68,7 +68,7 @@
     };
   };
 
-
+  services.fail2ban.enable = true;
   services.tailscale.enable = true;
 
   system.stateVersion = "24.05";