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From Yasir Assam <m...@endlessvoid.com>
Subject Re: Help needed with possible DNS problems
Date Sat, 04 Oct 2014 20:38:34 GMT
Thanks Reindl.

I haven't investigated ipv6 properly, but looking at my Hosting
provider's wiki and a few of my config files, it seems ipv6 is available
(I have been assigned an ipv6 subnet). I have something like this:
http://wiki.hetzner.de/index.php/Netzkonfiguration_Debian/en#Dedicated_Servers_3

I'd rather not turn ipv6 off, but I'll need to investigate further to
see why it isn't working (with bind9 at least).

Thanks for the tip about unbound.

Yasir


On 4/10/2014 7:13 PM, Reindl Harald wrote:
> Am 04.10.2014 um 08:12 schrieb Yasir Assam:
>> I took the advice on
>> https://wiki.apache.org/spamassassin/CachingNameserver and set up a
>> caching name server.
>>
>> spamd isn't reporting errors now, but named is:
> if you don't have ipv6 i would disable it on the OS level
> i have the following settings on a lot of machines for years
> after add them to "sysctl.conf" ifconfig now longer should
> show any ipv6 link local address
>
> net.ipv6.conf.all.disable_ipv6=1
> net.ipv6.conf.all.accept_redirects=0
> net.ipv6.conf.all.accept_source_route=0
> net.ipv6.conf.default.disable_ipv6=1
> net.ipv6.conf.default.accept_redirects=0
> net.ipv6.conf.default.accept_source_route=0
>
> BTW:
> for a caching-only server i would recommend unbound
> instead bind - less fatures but more power
>
>> Oct  4 15:23:10 buildoneforme spamd[27020]: spamd: connection from
>> localhost [127.0.0.1] at port 37690
>> Oct  4 15:23:10 buildoneforme spamd[27020]: spamd: using default config
>> for nobody: /var/spamassassin/user_prefs
>> Oct  4 15:23:10 buildoneforme spamd[27020]: spamd: checking message
>> <CAO+DrwNx2z=6cPGHvTQwosq1tJPHewd_j69LGAx8SeDS0e9Ygg@mail.gmail.com> for
>> nobody:1001
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving '181.217.85.209.zen.spamhaus.org/A/IN': 2001:500:48::1#53
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving '181.217.85.209.bl.spamcop.net/TXT/IN': 2600:1401:2::5a#53
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving 'a.auth-ns.sonic.net/A/IN': 2607:f0d0:1102:f::2#53
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving 'c.auth-ns.sonic.net/A/IN': 2607:f0d0:1102:f::2#53
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving 'b.auth-ns.sonic.net/A/IN': 2607:f0d0:1102:f::2#53
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving 'a.auth-ns.sonic.net/AAAA/IN': 2607:f0d0:1102:f::2#53
>> Oct  4 15:23:10 buildoneforme named[26974]: error (network unreachable)
>> resolving 'a.auth-ns.sonic.net/A/IN': 2001:5a8:0:3::1#53


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