From 7887850505bbaef83467c732e07b23236e31f1d2 Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pvizeli@syshack.ch>
Date: Mon, 28 Oct 2019 14:34:13 +0100
Subject: [PATCH] More header cleanup for websocket proxy (#28288)

---
 homeassistant/components/hassio/ingress.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/homeassistant/components/hassio/ingress.py b/homeassistant/components/hassio/ingress.py
index 4ecb9a8419f..3b6fee56354 100644
--- a/homeassistant/components/hassio/ingress.py
+++ b/homeassistant/components/hassio/ingress.py
@@ -211,6 +211,10 @@ def _response_header(response: aiohttp.ClientResponse) -> Dict[str, str]:
             hdrs.CONTENT_LENGTH,
             hdrs.CONTENT_TYPE,
             hdrs.CONTENT_ENCODING,
+            hdrs.SEC_WEBSOCKET_EXTENSIONS,
+            hdrs.SEC_WEBSOCKET_PROTOCOL,
+            hdrs.SEC_WEBSOCKET_VERSION,
+            hdrs.SEC_WEBSOCKET_KEY,
         ):
             continue
         headers[name] = value