From a4f1aef2b490f6022b015a9d095882e544c49b82 Mon Sep 17 00:00:00 2001
From: DrDaveD <2129743+DrDaveD@users.noreply.github.com>
Date: Sat, 4 Jul 2020 02:05:27 +0000
Subject: [PATCH] Bug 5054: mark dns_v4_first as obsolete in cf.data.pre (#687)

The dns_v4_first directive is ignored since commit fd9c47d.
---
 src/cf.data.pre | 25 +++++++------------------
 1 file changed, 7 insertions(+), 18 deletions(-)

diff --git a/src/cf.data.pre b/src/cf.data.pre
index 7a706969d3..0b26d219e0 100644
--- a/src/cf.data.pre
+++ b/src/cf.data.pre
@@ -181,6 +181,13 @@ DOC_START
 	This option is not yet supported by Squid-3.
 DOC_END
 
+# Options removed in 5.x
+NAME: dns_v4_first
+TYPE: obsolete
+DOC_START
+	Remove this line. Squid no longer supports preferential treatment of DNS A records.
+DOC_END
+
 # Options removed in 4.x
 NAME: cache_peer_domain cache_host_domain
 TYPE: obsolete
@@ -10027,24 +10034,6 @@ DOC_START
 	nameservers by setting this option to 'off'.
 DOC_END
 
-NAME: dns_v4_first
-TYPE: onoff
-DEFAULT: off
-LOC: Config.dns.v4_first
-DOC_START
-	With the IPv6 Internet being as fast or faster than IPv4 Internet
-	for most networks Squid prefers to contact websites over IPv6.
-
-	This option reverses the order of preference to make Squid contact
-	dual-stack websites over IPv4 first. Squid will still perform both
-	IPv6 and IPv4 DNS lookups before connecting.
-
-	WARNING:
-	  This option will restrict the situations under which IPv6
-	  connectivity is used (and tested). Hiding network problems
-	  which would otherwise be detected and warned about.
-DOC_END
-
 NAME: ipcache_size
 COMMENT: (number of entries)
 TYPE: int
-- 
2.47.2