BIND 9.11.5-P4 can't do ipv6 recursion

Crist Clark cjc+bind-users at pumpky.net
Tue Mar 19 05:29:13 UTC 2019


Local firewall rules on the server? Did you have to make any firewall
changes for IPv4? Did you do the same for IPv6?

On Mon, Mar 18, 2019 at 10:20 PM Mark Andrews <marka at isc.org> wrote:
>
> On the server run "dig version.bind txt ch @::1”.  This should get a response and
> work from there.  e.g. "dig version.bind txt ch @other_addresses”, then try from
> different machines.  Named has had IPv6 support for 2 decades now.  The problem
> will almost certainly be with the environment not the server.
>
> > On 19 Mar 2019, at 2:33 pm, celia <66183738 at qq.com> wrote:
> >
> > Hello ALL,
> >      I set up a  recursion DNS in our college. It works well in ipv4 request,but can not resolve ipv6 request. The named.conf file is as follows:
> >
> > acl "trusted"{202.115.253.0/24;202.112.16.0/24;202.112.14.0/23;};
> > acl "ipv6" {2001:da8:6000::/48;};
> >
> > options{
> >         directory "/usr/local/named/etc/";
> >         pid-file "/var/run/named/named.pid";
> >         statistics-file "/var/named/data/named_stats.txt";
> >
> >         listen-on-v6 {any;};
> >         recursion yes;
> >         allow-recursion {trusted;ipv6;};
> >         recursive-clients 20000;
> >         tcp-clients 500;
> >         allow-query-cache {trusted;ipv6;};
> >         dump-file "/var/named/data/cache_dump.db";
> > };
> >  I have tried some methods to solve this problem,such as stop the firewall, chanege "listen-on-v6"option to "listen-on-v6{my ipv6 address;}",it does not work. i can ping my DNS'ipv6 address,but when using lookup,it shows time out ...
> > the system log shows :listening on IPv6 interfaces,port 53,but i am sure port 53 does not response the request.
> >
> > thanks for help
> > best regards
> > celia
> > 2019-03-19
> >
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> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742              INTERNET: marka at isc.org
>
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