diff --git a/FAQ.md b/FAQ.md
index f0414c7..4740af3 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -574,6 +574,10 @@ Yes, we prioritize feature requests from our current `Pro` users, but not from p
 
 ![image](https://github.com/user-attachments/assets/d76b89ee-9f67-4870-ac3d-cb0398d68d3c)
 
+# Required ports for client.
+
+https://github.com/rustdesk/rustdesk-server-pro/discussions/389
+