diff --git a/etc/emqx.conf b/etc/emqx.conf
index 6a92f37ec..8f77d5f1b 100644
--- a/etc/emqx.conf
+++ b/etc/emqx.conf
@@ -1849,7 +1849,7 @@ listener.wss.external.acceptors = 4
 ## Maximum number of concurrent MQTT/Webwocket/SSL connections.
 ##
 ## Value: Number
-listener.wss.external.max_connections = 16
+listener.wss.external.max_connections = 102400
 
 ## Maximum MQTT/WebSocket/SSL connections per second.
 ##