From a76552ce47c472e29d93b8126376dad878303faf Mon Sep 17 00:00:00 2001
From: Philip Kaufmann <phil.kaufmann@t-online.de>
Date: Fri, 20 Jul 2012 12:20:37 +0200
Subject: do not use external IPv4 discovery, when -onlynet="IPv6"

---
 src/net.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/net.cpp b/src/net.cpp
index f3c255c308..08f47ae62f 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1878,7 +1878,9 @@ void static Discover()
     }
 #endif
 
-    CreateThread(ThreadGetMyExternalIP, NULL);
+    // Don't use external IPv4 discovery, when -onlynet="IPv6"
+    if (!IsLimited(NET_IPV4))
+        CreateThread(ThreadGetMyExternalIP, NULL);
 }
 
 void StartNode(void* parg)
-- 
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