diff --git a/rel/files/app.config b/rel/files/app.config
index 3521665f8..95e306140 100644
--- a/rel/files/app.config
+++ b/rel/files/app.config
@@ -14,7 +14,7 @@
 	{error_logger_redirect, false},
 	{crash_log, "log/emqtt_crash.log"},
 	{handlers, [
-		{lager_console_backend, info},
+		{lager_console_backend, debug},
 		{lager_file_backend, [
 			{file, "log/emqtt_error.log"},
 			{level, error},
@@ -38,7 +38,7 @@
             {max_conns, 1024},
             {acceptor_pool, 4}
         ]},
-        {http, 8883, [
+        {http, 8083, [
             {max_conns, 512},
             {acceptor_pool, 1}
         ]}
diff --git a/rel/files/emqtt.cfg b/rel/files/emqtt.cfg
new file mode 100644
index 000000000..8b1d8dc3d
--- /dev/null
+++ b/rel/files/emqtt.cfg
@@ -0,0 +1,14 @@
+mqtt_ipaddr=0.0.0.0
+mqtt_port=1883
+
+max_clientid_len=1024
+
+
+#Max Connections
+max_connections=10000
+
+#Max MQTT Message Size
+max_message_size=64k
+
+#Network ingoing limit
+rate_ingoing_limit=64kb/s