Only support it for v3 and above

diff --git a/modules/pipebackend/pipebackend.cc b/modules/pipebackend/pipebackend.cc
index 44ec2766884d74d21da8f259eaa78b0a067339e0..66094eb1fa6a386cafbc1c39985361cb7b546702 100644 (file)
--- a/modules/pipebackend/pipebackend.cc
+++ b/modules/pipebackend/pipebackend.cc
@@ -154,8 +154,10 @@ bool PipeBackend::list(const string &target, int inZoneId, bool include_disabled
 // The question format:
 
 // type    qname           qclass  qtype   id      ip-address
-
-      query<<"AXFR\t"<<inZoneId<<"\t"<<target;
+      if (abiVersion >= 3)
+        query<<"AXFR\t"<<inZoneId<<"\t"<<target;
+      else
+        query<<"AXFR\t"<<inZoneId<;
 
       d_coproc->send(query.str());
    }