diff --git a/ops/nixos/clouvider-lon01/default.nix b/ops/nixos/clouvider-lon01/default.nix
index f0a8be293d..34e672085e 100644
--- a/ops/nixos/clouvider-lon01/default.nix
+++ b/ops/nixos/clouvider-lon01/default.nix
@@ -114,6 +114,7 @@
       allowPing = true;
       allowedTCPPorts = [
         80 443  # HTTP/nginx
+        1935    # RTMP/nginx
         6697    # znc
         34197   # factorio
       ];
@@ -197,6 +198,23 @@
   };
   services.nginx = {
     enable = true;
+    package = pkgs.nginxMainline;
+    additionalModules = with pkgs.nginxModules; [ rtmp ];
+    appendConfig = ''
+      rtmp_auto_push on;
+      rtmp {
+        server {
+          listen 1935;
+          chunk_size 4096;
+          application live1 {
+            allow publish 213.41.69.70;
+            allow publish 37.26.186.120;
+            allow publish 94.229.74.42;
+            live on; record off;
+          }
+        }
+      }
+    '';
     virtualHosts = {
       "clouvider-lon01.as205479.net" = {
         default = true;