diff --git a/misc/docker/nginx/app/nginx/nginx.conf b/misc/docker/nginx/app/nginx/nginx.conf
index 92cd8057a..211dd96af 100644
--- a/misc/docker/nginx/app/nginx/nginx.conf
+++ b/misc/docker/nginx/app/nginx/nginx.conf
@@ -22,6 +22,8 @@ http {
     #gzip  on;
 
     limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=400r/m;
+    limit_conn_zone $binary_remote_addr zone=conn_limit_per_ip:10m;
+
     limit_req_log_level error;
 
     include /etc/nginx/conf.d/*.conf;