From 9cd0b7048a287c79e468d116113cc4271d839ec4 Mon Sep 17 00:00:00 2001
From: Frank Denis <124872+jedisct1@users.noreply.github.com>
Date: Thu, 13 Jun 2019 09:24:56 +0200
Subject: [PATCH] DoH: change the media type to application/dns-message

The media type for DoH was changed from `application/dns-udpwireformat` to `application/dns-message` in May 2018.

Ref: RFC8484 section 6.
---
 tunneldns/https_upstream.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tunneldns/https_upstream.go b/tunneldns/https_upstream.go
index 0544112a..ac9b60ec 100644
--- a/tunneldns/https_upstream.go
+++ b/tunneldns/https_upstream.go
@@ -82,7 +82,7 @@ func (u *UpstreamHTTPS) exchangeWireformat(msg []byte) ([]byte, error) {
 		return nil, errors.Wrap(err, "failed to create an HTTPS request")
 	}
 
-	req.Header.Add("Content-Type", "application/dns-udpwireformat")
+	req.Header.Add("Content-Type", "application/dns-message")
 	req.Host = u.endpoint.Hostname()
 
 	resp, err := u.client.Do(req)