diff --git a/docs/setup_worker_docker.md b/docs/setup_worker_docker.md
index 2c8d92015..4cb4eaefd 100644
--- a/docs/setup_worker_docker.md
+++ b/docs/setup_worker_docker.md
@@ -79,4 +79,10 @@ $ docker run -d -v /var/run/docker.sock:/var/run/docker.sock -p 127.0.0.1:2375:2
 $ docker -H 127.0.0.1:2375 info
 ```
 
+And users can use  `0.0.0.0` to replace `127.0.0.1` to make sure Master can reach Worker Node through this port, as Ubuntu.
+
+```bash
+$ docker run -d -v /var/run/docker.sock:/var/run/docker.sock -p 0.0.0.0:2375:2375 bobrik/socat TCP-LISTEN:2375,fork UNIX-CONNECT:/var/run/docker.sock
+```
+
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