diff --git a/hosts/common.nix b/hosts/common.nix
index b698add..a6b5e47 100644
--- a/hosts/common.nix
+++ b/hosts/common.nix
@@ -1,6 +1,9 @@
 { config, pkgs, ... }:
 
 {
+  boot.kernel.sysctl = {
+    "net.ipv4.ip_unprivileged_port_start" = 0;
+  };
   system.stateVersion = "24.05";
   system.autoUpgrade = {
     enable = true;