diff --git a/source/_integrations/daikin.markdown b/source/_integrations/daikin.markdown
index b50615e62c8..109bf1e5179 100644
--- a/source/_integrations/daikin.markdown
+++ b/source/_integrations/daikin.markdown
@@ -35,6 +35,16 @@ There is currently support for the following device types within Home Assistant:
 
 The Daikin integration can be configured via the Home Assistant user interface where it will let you enter the IP-address of your Daikin AC (SKYFi based devices need to provide a password and BRP072Cxx devices need to provide a key).
 
+<div class='note'>
+  
+If your Daikin unit does not reside in the same network as your Home Assistant instance, i.e. your network is segmented, note that a couple of UDP connections are made during discovery:
+
+- From Home Assistant to the Daikin controller: `UDP:30000` => `30050`
+- From the Daikin controller to Home Assistant: `UDP:<random port>` => `30000`
+
+If this situation applies to you, you may need to adjust your firewall(s) accordingly.
+
+</div>
 
 ## Climate