From e36fb906da7f489b79440d156f75697af4bf51d4 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sat, 12 Nov 2022 17:19:43 +0530
Subject: [PATCH] DnsServer: updated PostProcessQueryAsync() to return response
 without EDNS when request does not have EDNS.

---
 DnsServerCore/Dns/DnsServer.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/DnsServerCore/Dns/DnsServer.cs b/DnsServerCore/Dns/DnsServer.cs
index a0d220a1..a233f4f9 100644
--- a/DnsServerCore/Dns/DnsServer.cs
+++ b/DnsServerCore/Dns/DnsServer.cs
@@ -1099,7 +1099,12 @@ namespace DnsServerCore.Dns
             }
 
             if (request.EDNS is null)
+            {
+                if (response.EDNS is not null)
+                    response = response.CloneWithoutEDns();
+
                 return response;
+            }
 
             if (response.EDNS is not null)
                 return response;