diff --git a/hosts/katana.nix b/hosts/katana.nix
index ca27532..912a53f 100644
--- a/hosts/katana.nix
+++ b/hosts/katana.nix
@@ -15,7 +15,7 @@
         };
       };
     };
- };
+};
 
   # Boot
   boot = {
@@ -56,7 +56,11 @@
     firewall = {
       checkReversePath = "loose";
       allowedTCPPorts = [ ];
-      allowedUDPPorts = [ ];
+      allowedUDPPorts = [ 1990 2021 ];
+      extraCommands = ''
+	iptables -I INPUT -m pkttype --pkt-type multicast -j ACCEPT
+	iptables -A INPUT -m pkttype --pkt-type multicast -j ACCEPT
+      '';
     };
   };
 
@@ -147,6 +151,14 @@
         inputs.sk-extract.packages.${system}.default
         inputs.yunodo.packages.${system}.default
 	signal-desktop
+	bat #cat but better in rust
+	xclip #fixes nvim clipboard
+	pop #send email form the terminal
+	invoice #CLI invoice generator
+	freecad #cad software for 3d modeling
+	openscad #cad software for 3d modeling programattically
+	orca-slicer #3d printer slicer
+	wishlist #ssh bastion
   ];
 
   # Fonts