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cb9d5f0a7c
Refresh patches and backport upstream to current HEAD:
a997ca0 Fix sometimes missing DNSSEC RRs when DNSSEC validation not enabled.
51e4eee Fix address-dependent domains for IPv6.
05ff659 Fix stupid infinite loop introduced by preceding commit.
db0f488 Handle some corner cases in RA contructed interfaces with addresses changing interface.
7dcca6c Warn about the impact of cache-size on performance.
090856c Allow zone transfer in authoritative mode whenever auth-peer is specified.
cc5cc8f Sane error message when pcap file header is wrong.
c488b68 Handle standard and contructed dhcp-ranges on the same interface.
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
(cherry picked from commit fbf475403b)
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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