From: Mark Andrews <marka@isc.org>
Date: Mon, 1 Feb 2021 02:35:56 +0000 (+1100)
Subject: Add CHANGES note for [GL #2249]
X-Git-Tag: v9.17.17~36^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5ab0c9fdfe8e7c5e52665581d7aeb82b7a4d03d5;p=thirdparty%2Fbind9.git

Add CHANGES note for [GL #2249]
---

diff --git a/CHANGES b/CHANGES
index 594c8506996..0dd12c7292d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,10 @@
+5677.	[func]		Only accept FORMERR without a OPT record as an
+			indication that the server does net support EDNS.
+			This will break communication with servers that
+			don't understand EDNS and incorrectly echo back
+			the request message with the rcode field set to
+			FORMERR and the QR bit set to 1. [GL #2249]
+
 5676.	[func]		Memory allocation has been substantially refactored,
 			and is now based on the memory allocation API
 			provided by 'libjemalloc'. This is now a build