diff --git a/rel/files/emqttd.config b/rel/files/emqttd.config
index eabd4e119..eed3c5ce8 100644
--- a/rel/files/emqttd.config
+++ b/rel/files/emqttd.config
@@ -196,6 +196,23 @@
                 %{buffer, 4096},
             ]}
         ]},
+        %% WebSocket over HTTPS Listener
+        %% {https, 8083, [
+        %%  %% Size of acceptor pool
+        %%  {acceptors, 4},
+        %%  %% Maximum number of concurrent clients
+        %%  {max_clients, 512},
+        %%  %% Socket Access Control
+        %%  {access, [{allow, all}]},
+        %%  %% SSL certificate and key files
+        %%  {ssl, [{certfile, "etc/ssl/ssl.crt"},
+        %%  {keyfile,  "etc/ssl/ssl.key"}]},
+        %%    %% Socket Options
+        %%    {sockopts, [
+        %%        %{buffer, 4096},
+        %%        {backlog, 1024}
+        %%    ]}
+        %%]},
         %% HTTP and WebSocket Listener
         {http, 8083, [
             %% Size of acceptor pool