diff --git a/nix/configuration.nix b/nix/configuration.nix
index 353cc7d..17bb9b8 100644
--- a/nix/configuration.nix
+++ b/nix/configuration.nix
@@ -36,6 +36,9 @@
 
   boot.kernel.sysctl = {
     "vm.max_map_count" = 262144;
+    "net.ipv6.conf.all.accept_ra" = 0;
+    "net.ipv6.conf.all.autoconf" = 0;
+    "net.ipv6.conf.all.use_tempaddr" = 0;
   };
 
   services.journald.extraConfig = ''