diff --git a/modules/hosts/nixos/hetznix01/default.nix b/modules/hosts/nixos/hetznix01/default.nix
index 60b8f07..a68b51a 100644
--- a/modules/hosts/nixos/hetznix01/default.nix
+++ b/modules/hosts/nixos/hetznix01/default.nix
@@ -36,6 +36,7 @@
       8448 # Matrix Synapse
       8883 # mqtt over tls
       9001 # mqtt websockets over tls
+      9333 # Bitcoin Knots
       9735 # LND
     ];
     # firewall.allowedUDPPorts = [ ... ];
diff --git a/modules/hosts/nixos/hetznix01/post-install/nginx.nix b/modules/hosts/nixos/hetznix01/post-install/nginx.nix
index 6116c40..83e2b6a 100644
--- a/modules/hosts/nixos/hetznix01/post-install/nginx.nix
+++ b/modules/hosts/nixos/hetznix01/post-install/nginx.nix
@@ -23,8 +23,10 @@ in {
     streamConfig = ''
       server {
         listen 0.0.0.0:8333;
+        listen 0.0.0.0:9333;
         listen [::]:8333;
-        proxy_pass ${private_btc}:8333;
+        listen [::]:9333;
+        proxy_pass ${private_btc}:9333;
       }
 
       server {