diff --git a/FAQ.md b/FAQ.md
index c609ae6..bae7aca 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -613,6 +613,10 @@ Its AV doing cloud heuristics, Happens with almost every remote system.
 
 https://github.com/rustdesk/rustdesk-server-pro/discussions/307#discussioncomment-12525863
 
+# how to prevent public clients from connecting to my installation?
+
+https://www.reddit.com/r/rustdesk/comments/1qq56t1/rustdesk_pro_how_to_prevent_public_clients_from/
+
 # Custom Client for iOS
 
 https://github.com/rustdesk/rustdesk/discussions/9095#discussioncomment-11023197