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23 lines
842 B
Diff
23 lines
842 B
Diff
From 34e26e14c5e0fb2d5f05f67858319c9db2058333 Mon Sep 17 00:00:00 2001
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From: Simon Kelley <simon@thekelleys.org.uk>
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Date: Thu, 10 May 2018 20:54:57 +0100
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Subject: [PATCH 05/17] Retry query to other servers on receipt of SERVFAIL
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rcode.
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Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
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---
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src/forward.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/src/forward.c
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+++ b/src/forward.c
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@@ -817,7 +817,7 @@ void reply_query(int fd, int family, tim
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/* Note: if we send extra options in the EDNS0 header, we can't recreate
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the query from the reply. */
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- if (RCODE(header) == REFUSED &&
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+ if ((RCODE(header) == REFUSED || RCODE(header) == SERVFAIL) &&
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forward->forwardall == 0 &&
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!(forward->flags & FREC_HAS_EXTRADATA))
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/* for broken servers, attempt to send to another one. */
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