proxy: Use DualStack=true in defaultDialer (#2305)

f7757da7 · Jake Lucas · Matt Holt · 13f9c34d · f7757da7
Commit f7757da7 authored Sep 30, 2018 by Jake Lucas Committed by Matt Holt Sep 30, 2018
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caddyhttp/proxy/reverseproxy.go caddyhttp/proxy/reverseproxy.go +1 -0

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--- a/caddyhttp/proxy/reverseproxy.go
+++ b/caddyhttp/proxy/reverseproxy.go
@@ -48,6 +48,7 @@ var (
 	defaultDialer = &net.Dialer{
 		Timeout:   30 * time.Second,
 		KeepAlive: 30 * time.Second,
+		DualStack: true,
 	}
 	bufferPool = sync.Pool{New: createBuffer}