<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2900.5626" name=GENERATOR><LINK
href="BLOCKQUOTE{margin-Top: 0px; margin-Bottom: 0px; margin-Left: 2em}"
rel=stylesheet></HEAD>
<BODY style="FONT-SIZE: 10pt; MARGIN: 10px; FONT-FAMILY: verdana">
<DIV><FONT face=Verdana size=2>send a non-recursive query to an unbound recursor
and get a response with rcode REFUSED while whithout RA set. </FONT></DIV>
<DIV><FONT face=Verdana size=2>lthis is the following</FONT></DIV>
<DIV><FONT face=Verdana size=2>query:</FONT></DIV>
<DIV><FONT face=Verdana size=2> <FONT
style="BACKGROUND-COLOR: #c0c0c0">dig +norecurse tianya.cn
@unbound.recurse.ns</FONT></FONT></DIV>
<DIV>response:</DIV>
<DIV> </DIV>
<DIV><FONT style="BACKGROUND-COLOR: #c0c0c0"> ; <<>> DiG
9.7.2-P2 <<>> +norecurse tianya.cn</FONT></DIV>
<DIV><FONT style="BACKGROUND-COLOR: #c0c0c0">;; global options: +cmd<BR>;; Got
answer:<BR>;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id:
47807<BR>;; flags: qr; QUERY: 0, ANSWER: 0, AUTHORITY: 0, ADDITIONAL:
0</FONT></DIV>
<DIV><FONT style="BACKGROUND-COLOR: #c0c0c0"></FONT> </DIV>
<DIV><FONT style="BACKGROUND-COLOR: #c0c0c0">;; Query time: 0 msec<BR>;; SERVER:
127.0.0.1#53(127.0.0.1)<BR>;; WHEN: Thu May 19 11:39:58 2011<BR>;; MSG
SIZE rcvd: 12</FONT><BR> </DIV>
<DIV>I want to know why unbound does refuse to resonse and why it does not
set ra bit.</DIV>
<DIV> </DIV>
<DIV>regards</DIV>
<DIV align=left><FONT face=Verdana color=#c0c0c0 size=2>2011-05-19
</FONT></DIV><FONT face=Verdana size=2>
<HR style="WIDTH: 122px; HEIGHT: 2px" align=left SIZE=2>
<DIV><FONT face=Verdana color=#c0c0c0 size=2><SPAN>ÁõÃ÷ÐÇ£º£©</SPAN>
</FONT></DIV></FONT></BODY></HTML>