From 4f669bdd66c2670c6f40155d0e113ff87b1b78a3 Mon Sep 17 00:00:00 2001
From: Dmitry Sharshakov <d3dx12.xx@gmail.com>
Date: Wed, 18 Dec 2019 13:22:06 +0300
Subject: [PATCH] Don't set user-agent to Go-http-client/1.1

---
 pkg/server/service/proxy.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/server/service/proxy.go b/pkg/server/service/proxy.go
index 6da65d090..d6fdfcb8e 100644
--- a/pkg/server/service/proxy.go
+++ b/pkg/server/service/proxy.go
@@ -52,6 +52,10 @@ func buildProxy(passHostHeader *bool, responseForwarding *dynamic.ResponseForwar
 			outReq.ProtoMajor = 1
 			outReq.ProtoMinor = 1
 
+			if _, ok := outReq.Header["User-Agent"]; !ok {
+				outReq.Header.Set("User-Agent", "")
+			}
+
 			// Do not pass client Host header unless optsetter PassHostHeader is set.
 			if passHostHeader != nil && !*passHostHeader {
 				outReq.Host = outReq.URL.Host