[asterisk-dev] DNS Support in Asterisk

[Bruce Ferrell]

I agree... DNSSEC... big deal.  DNS cache?  what?!  Let the system do that and keep the bloat out of asterisk



On 02/12/2015 07:37 AM, Olle E. Johansson wrote:
> There is one version of c-ares in resiprocate as well.
>
> C-ares has been in use for a long time and is in use every single day for you as part of 
> most curl installs. I am not sure there is much to do there.
>
> Libunbound adds a lot if that is what we want.
>
> Why is a cache a good thing? You surely have a caching resolver running
> on your system, right?
>
> DNSsec is a huge deal - and the foundation for a lot of security things coming up.
> Someone wrote an IETF draft about that and SIP.
>
> https://tools.ietf.org/html/draft-johansson-sipcore-dane-sip-00
>
> I got a patch sent to me that implements that in Asterisk with unbound,
> but haven't gotten time to go through it and test it.
>
> /O
>
> On 12 Feb 2015, at 16:25, Brad Watkins <marquis42 at gmail.com> wrote:
>
>> Looking at this, I'm inclined to say that libunbound is the better of
>> the two options in spite of it being somewhat more difficult to
>> consume DNS records than it would be with c-ares.  In my estimation a
>> (seemingly?) more-active community and the inclusion of a cache are
>> more important.  DNSSEC isn't a huge deal, at least not for me at this
>> time, but is a nice bonus as well.
>>
>> - Brad
>>
>> On Thu, Feb 12, 2015 at 10:01 AM, Joshua Colp <jcolp at digium.com> wrote:
>>> Greetings all,
>>>
>>> I've extended the sections of my wiki page for c-ares[1] and libunbound[2]
>>> to include further information about documentation, general usage
>>> experience, and other aspects. Personally I lean towards libunbound because
>>> it was straight forward to experiment with, supports DNSSEC, and has a
>>> cache.
>>>
>>> Cheers,
>>>
>>> [1]
>>> https://wiki.asterisk.org/wiki/display/~jcolp/DNS+Support+in+Asterisk#DNSSupportinAsterisk-c-ares
>>> [2]
>>> https://wiki.asterisk.org/wiki/display/~jcolp/DNS+Support+in+Asterisk#DNSSupportinAsterisk-libunbound
>>>
>>>
>>> --
>>> Joshua Colp
>>> Digium, Inc. | Senior Software Developer
>>> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
>>> Check us out at: www.digium.com & www.asterisk.org
>>>
>>> --
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