Wireshark-bugs: [Wireshark-bugs] [Bug 2472] Decoding error in protocol DNS - section Flags for A
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 17 Apr 2008 09:53:06 -0700 (PDT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2472





--- Comment #1 from Jaap Keuter <jaap.keuter@xxxxxxxxx>  2008-04-17 09:53:06 GMT ---
 > RFC2535 - 6.1 The AD and CD Header Bits
 >
 >
 >    Two previously unused bits are allocated out of the DNS
 >    query/response format header. The AD (authentic data) bit indicates
 >    in a response that all the data included in the answer and authority
 >    portion of the response has been authenticated by the server
 >    according to the policies of that server. The CD (checking disabled)
 >    bit indicates in a query that Pending (non-authenticated) data is
 >    acceptable to the resolver sending the query.

I fail to see the problem here. CD is relevant only in query, AD is relevant 
only in reply. That is what is decoded.


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