diff --git a/FAQ.md b/FAQ.md
index 1d087bc..a1296b3 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -84,6 +84,8 @@ If you host the server in your intranet with some type of routers, you may have
 
 Go to [access logs](https://github.com/rustdesk/rustdesk/wiki/FAQ#access-logs) on controlled side, you can see more details about failures, also check connection logs `%AppData%\RustDesk\log\RustDesk_rCURRENT.log` on controlling side.
 
+One simple solution for NAT hairping (loopback) is that both internal and external use domain. Internally, use an internal DNS Server to point the domain to an intranet IP.
+
 https://rustdesk.com/docs/en/self-host/nat-loopback-issues/
 
 https://www.reddit.com/r/rustdesk/comments/13fkdyd/comment/jjvm6j1/?utm_source=share&utm_medium=web2x&context=3