diff --git a/hosts/server/hardware-configuration.nix b/hosts/server/hardware-configuration.nix
index 70ed12f..85e096d 100644
--- a/hosts/server/hardware-configuration.nix
+++ b/hosts/server/hardware-configuration.nix
@@ -60,7 +60,7 @@
     hostName = "dmz";
     domain = "kabtop.de";
     networkmanager = {
-      enable = true;
+      enable = false;
     };
     interfaces = {
       ens18 = {
@@ -76,6 +76,11 @@
       };
     };
     defaultGateway = "45.142.114.1";
+    defaultGateway6 = {
+      address = "fe80::1";
+      interface = "ens18";
+    };
+
     nameservers = [ "9.9.9.9" "2620:fe::fe" ];
     firewall = {
       enable = true;