From de4bce1d96a7538fba009e25f6325b73280f941f Mon Sep 17 00:00:00 2001
From: Jason Rhinelander <jason@imaginary.ca>
Date: Tue, 13 Sep 2022 17:16:51 -0300
Subject: [PATCH] Disable upstream TCP DNS

windivert, in particular, will get filtered by this and it almost
certainly won't work.
---
 llarp/dns/server.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/llarp/dns/server.cpp b/llarp/dns/server.cpp
index 2454ec0ac..e09baa10b 100644
--- a/llarp/dns/server.cpp
+++ b/llarp/dns/server.cpp
@@ -208,6 +208,9 @@ namespace llarp::dns
       Up(const llarp::DnsConfig& conf)
       {
         // set libunbound settings
+
+        SetOpt("do-tcp:", "no");
+
         for (const auto& [k, v] : conf.m_ExtraOpts)
           SetOpt(k, v);