From 6acc95f75608dea1f259bbe8bd63f259c7775463 Mon Sep 17 00:00:00 2001
From: Austin Cherry <acherry@cloudflare.com>
Date: Fri, 19 Oct 2018 16:51:54 -0500
Subject: [PATCH] TUN-1097: Host missing from WebSocket request

---
 websocket/websocket.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/websocket/websocket.go b/websocket/websocket.go
index 64959121..fc009f66 100644
--- a/websocket/websocket.go
+++ b/websocket/websocket.go
@@ -167,6 +167,7 @@ func websocketHeaders(req *http.Request) http.Header {
 	for _, header := range stripWebsocketHeaders {
 		wsHeaders.Del(header)
 	}
+	wsHeaders.Set("Host", req.Host) // See TUN-1097
 	return wsHeaders
 }