diff --git a/source/_integrations/http.markdown b/source/_integrations/http.markdown
index 8bdf1dd1fa4..c5b9dcfd93d 100644
--- a/source/_integrations/http.markdown
+++ b/source/_integrations/http.markdown
@@ -105,6 +105,15 @@ http:
 
 The [Set up encryption using Let's Encrypt](/blog/2015/12/13/setup-encryption-using-lets-encrypt/) blog post gives you details about the encryption of your traffic using free certificates from [Let's Encrypt](https://letsencrypt.org/).
 
+When using a reverse proxy, you will need to enable the `use_x_forwarded_for` and `trusted_proxies` options. Requests from reverse proxies will be blocked if these options are not set.
+  
+```yaml
+http:
+  use_x_forwarded_for: true
+  trusted_proxies:
+    - 172.30.33.0/24  # Add the IP address of the proxy server
+```
+
 ## APIs
 
 On top of the `http` integration is a [REST API](https://developers.home-assistant.io/docs/api/rest), [Python API](https://developers.home-assistant.io/docs/api_lib_index) and [WebSocket API](https://developers.home-assistant.io/docs/api/websocket) available.