[dns-operations] TC=1 with RA=0 from a recursive resolver

[P Vixie]

Agreed.

On March 18, 2016 12:20:04 PM PDT, Florian Weimer <fweimer at redhat.com> wrote:
>We have received a bug report that our stub resolver does not retry
>over
>TCP when asked to do so by some Google DNS resolvers:
>
>  https://bugzilla.redhat.com/show_bug.cgi?id=1319296
>
>The reason is that we check for RA=0 first and treat the server as
>unusable if the bit is cleared.  Only after that, we check the TC bit.
>
>We could easily check the TC bit first, but not setting RA=1 on a
>recursive response when you are actually willing to provide recursion
>looks like a server bug.
>
>Thoughts?
>
>Thanks,
>Florian
>_______________________________________________
>dns-operations mailing list
>dns-operations at lists.dns-oarc.net
>https://lists.dns-oarc.net/mailman/listinfo/dns-operations
>dns-jobs mailing list
>https://lists.dns-oarc.net/mailman/listinfo/dns-jobs

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.dns-oarc.net/pipermail/dns-operations/attachments/20160318/917dc47c/attachment.html>