diff --git a/README.md b/README.md
index 0822f93..051c804 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,10 @@ Tips y configuraciones de ubuntu
 ### INSTALAR EMQX DOCKER
 
         docker run -d --name emqx -p 18083:18083 -p 1883:1883 -p 8083:8083 -p 8084:8084 -e EMQX_ALLOW_ANONYMOUS=false emqx/emqx:latest
+
+### Abrir puertos en ubuntu
+
+    ufw allow from any to any port 18083 proto tcp
         
 ### Instalar Portainer