From 00844141bb30e24a6331f21100746d1ddaf5a5cc Mon Sep 17 00:00:00 2001
From: DubhAd <DubhAd@users.noreply.github.com>
Date: Thu, 26 Oct 2017 19:20:19 +0100
Subject: [PATCH] Added note on port forwarding

---
 source/_addons/duckdns.markdown | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/_addons/duckdns.markdown b/source/_addons/duckdns.markdown
index 9667c91e725..f54e69f0da0 100644
--- a/source/_addons/duckdns.markdown
+++ b/source/_addons/duckdns.markdown
@@ -43,3 +43,7 @@ http:
 ```
 
 If you use a other port as `8123` or a SSL proxy, change the port number.
+
+## {% linkable_title Router configuration %}
+
+You'll need to forward the port you listed in your configuration (8123 in the example above) on your router to your Home Assistant system. You can find guides on how to do this on [Port Forward](https://portforward.com/) - noting that you'll only need to forward the TCP port.