wireguard

configuration.nix

@@ -304,6 +304,21 @@
     };
   };
 
+  # wireguard
+  networking.firewall = {
+    # if packets are still dropped, they will show up in dmesg
+    logReversePathDrops = true;
+    # wireguard trips rpfilter up
+    extraCommands = ''
+      ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --sport 51820 -j RETURN
+      ip46tables -t mangle -I nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN
+    '';
+    extraStopCommands = ''
+      ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --sport 51820 -j RETURN || true
+      ip46tables -t mangle -D nixos-fw-rpfilter -p udp -m udp --dport 51820 -j RETURN || true
+    '';
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave

home.nix

@@ -86,6 +86,7 @@ let username = "clara"; in
     vdhcoapp
     inkscape
     prusa-slicer
+    light
   ] ++ (if x11mode then [
     arandr
     flameshot