Hi Grégory,

Le 17/06/2016 à 19:46, DURAND Grégory a écrit :
Hello,

I have an issue with haproxy 1.6.5 on debian sid (same issue with backports 
package on debian stable, 1.6.5 too)
When the service start or reload, I get the address with libc resolver 
(according to documentation) without problem.

After, the local resolver of haproxy sends queries but have no answer (tried 
with bind and unbound)


With a stupid test config :
----------
resolvers mydns
        nameserver dns1 127.0.0.1:53

backend plop
        balance roundrobin
        server test turlututu.com:80 check resolvers mydns
----------
[...]
If I open result of tcpdump (-w dump.pcap) in wireshark, it shows that requests are sent 
with "response" flags (see attachment).
So the DNS server don't treat them like a query.

This has been fixed after 1.6.5 with commit 5f60de0866 "BUG/MEDIUM: dns: unbreak DNS resolver after header fix".
http://www.haproxy.org/git?p=haproxy-1.6.git;a=commit;h=5f60de08667c3472d95cc20b87753e9fd8520057

Willy, maybe we should release 1.6.6 before the end of june, after some pending issues are fixed.


--
Cyril Bonté

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