Hello,
It was brought to my attention that in the upcoming Debian release
(jessie), the value of the nscount member of __res_state will include ONLY
IPv4 nameservers:
https://lists.debian.org/debian-glibc/2014/06/msg00138.html
I just want to point out that this departs significantly from other
Linux/Unix where nscount has traditionally included ALL resolvers listed
in /etc/resolv.conf (up to MAXNS) regardless of whether they are IPv4 or
IPv6 addresses.
This will break name resolution for some applications. In the extreme
case where only IPv6 nameservers are listed in /etc/resolv.conf, name
resolution will fail completely for those apps.
It's not clear to me what actually triggered the need for this change but
perhaps there's another way to address the original issue without changing
the behaviour of nscount.
Antonio Querubin
e-mail: [email protected]
xmpp: [email protected]
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