diff --git a/networking.nix b/networking.nix
index e71fccc..3fb4b46 100644
--- a/networking.nix
+++ b/networking.nix
@@ -12,6 +12,9 @@
     networkConfig.DHCP = "yes";
     linkConfig.RequiredForOnline = "no";
   };
+
+  networking.tempAddresses = "disabled";
+
   networking.useNetworkd = true;
   # TODO: static IP @ 192.168.1.2
 
@@ -23,17 +26,25 @@
   # networking.firewall.allowedUDPPorts = [ ... ];
   # Or disable the firewall altogether.
   # TODO: allow some ports
-  networking.firewall.enable = true;
+  networking.firewall = {
+    enable = true;
+    allowPing = true;
+    allowedUDPPorts = [ ];
+    allowedTCPPorts = [ ];
+  };
 
   services.avahi = {
     enable = true;
     nssmdns4 = true;
     nssmdns6 = true;
+    ipv6 = true;
     openFirewall = true;
     publish = {
       enable = true;
       addresses = true;
       workstation = true;
+      userServices = true;
+      domain = true;
     };
   };