From 8852f60ccba0ba8fea910c3d46a9a6d48cea08c1 Mon Sep 17 00:00:00 2001
From: Cuong Manh Le <cuong@windscribe.com>
Date: Tue, 28 Feb 2023 09:29:57 +0700
Subject: [PATCH] Add idle conn timeout for HTTP transport

Allowing the connection to be re-new once it becomes un-usable.
---
 config.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config.go b/config.go
index f8d7736..f6a132c 100644
--- a/config.go
+++ b/config.go
@@ -157,6 +157,7 @@ func (uc *UpstreamConfig) SetupTransport() {
 
 func (uc *UpstreamConfig) setupDOHTransport() {
 	uc.transport = http.DefaultTransport.(*http.Transport).Clone()
+	uc.transport.IdleConnTimeout = 5 * time.Second
 	uc.transport.DialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
 		dialer := &net.Dialer{
 			Timeout:   10 * time.Second,