From 9fea3896c84d027271c2315af098dad319a444da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
Date: Mon, 21 Jan 2019 19:23:10 +0100
Subject: [PATCH 2/5] Turn off listening on IPv6 by default

To maintain behaviour of BIND 9.9, turn off listening on IPv6 by
default. To enable listening like upstream defaults, include
listen-on-v6 { any; }; in options.
---
 bin/named/config.c      | 2 +-
 doc/arm/Bv9ARM-book.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/named/config.c b/bin/named/config.c
index 7d97029..1d7aaa1 100644
--- a/bin/named/config.c
+++ b/bin/named/config.c
@@ -77,7 +77,7 @@ options {\n\
 	interface-interval 60;\n\
 #	keep-response-order {none;};\n\
 	listen-on {any;};\n\
-	listen-on-v6 {any;};\n\
+	listen-on-v6 {none;};\n\
 #	lock-file \"" NS_LOCALSTATEDIR "/run/named/named.lock\";\n\
 	match-mapped-addresses no;\n\
 	max-rsa-exponent-size 0; /* no limit */\n\
diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index a5d9e2e..5e7d015 100644
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -7473,7 +7473,7 @@ listen-on port 1234 { !1.2.3.4; 1.2/16; };
 	    The <command>listen-on-v6</command> option is used to
 	    specify the interfaces and the ports on which the server will
 	    listen for incoming queries sent using IPv6.  If not specified,
-	    the server will listen on port 53 on all IPv6 interfaces.
+	    the server will not listen on port 53 on any IPv6 interfaces.
 	  </para>
 
 	  <para>
-- 
2.20.1