diff --git a/README.md b/README.md
index 59df927..fea91d4 100644
--- a/README.md
+++ b/README.md
@@ -24,3 +24,4 @@ Files in this repository cover all the SBC setup.
 ### TODO
 * When new conf-sync will be available, adapt functions `get_conf()` and `set_conf()`.
 * Add an update script for scanservjs.
+* Add a firewall rule to block access to port 8080.