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-rw-r--r--src/coremods/core_dns.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/coremods/core_dns.cpp b/src/coremods/core_dns.cpp
index f4f85e253..d4214b9a5 100644
--- a/src/coremods/core_dns.cpp
+++ b/src/coremods/core_dns.cpp
@@ -527,6 +527,13 @@ class MyManager : public Manager, public Timer, public EventHandler
return;
}
+ if (static_cast<Question&>(*request) != recv_packet.question)
+ {
+ // This can happen under high latency, drop it silently, do not fail the request
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Received an answer that isn't for a question we asked");
+ return;
+ }
+
if (recv_packet.flags & QUERYFLAGS_OPCODE)
{
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Received a nonstandard query");