allow TSIG as extra record in an IXFR request

diff --git a/pdns/tcpreceiver.cc b/pdns/tcpreceiver.cc
index e6fa4b77c7eca0b2273eb3a7ea4ce6a2e2d97ec1..9ad38f66b5689cf80de2b36afa29c84d72a0bf14 100644 (file)
--- a/pdns/tcpreceiver.cc
+++ b/pdns/tcpreceiver.cc
@@ -963,7 +963,7 @@ int TCPNameserver::doIXFR(shared_ptr<DNSPacket> q, int outsock)
         sendPacket(outpacket,outsock);
         return 0;
       }
-    } else {
+    } else if (rr->d_type != QType::TSIG) {
       L<<Logger::Error<<"Additional records in IXFR query"<<endl;
       outpacket->setRcode(RCode::FormErr);
       sendPacket(outpacket,outsock);