DNSSEC support in c-ares-1.18.1

Brad House brad at brad-house.com
Thu Jan 13 22:37:07 CET 2022


C-ares does not have the capability to perform DNSSEC  validation on its 
own.

On 1/13/22 12:44 PM, Anant wrote:
> Thanks Brad! appreciate the quick response.
>
> Our query was in the context of a "Security-Aware Resolver" using 
> C-ares. We were wondering if something similar to what "bind" provides 
> is there in C-ares too.
>
> I see that there are some relevant changes in ares_nameser.h but do 
> not see anything relevant while creating queries/parsing answers.
>
> Is C-ares not intended to be used by "Security-Aware Resolvers"?
>
> Regards
> Anant
>
>
> On Thu, 13 Jan 2022 at 22:07, Brad House via c-ares 
> <c-ares at lists.haxx.se> wrote:
>
>     DNSSEC verification is the responsibility of the DNS server, and
>     not of the client side.  The DNS server the client connects to
>     performs the actual recursive lookups and performs the DNSSEC
>     validation, so yes, you need to make sure the DNS server you are
>     using is trusted.
>
>     On 1/13/22 8:11 AM, Anant via c-ares wrote:
>>     Hi,
>>
>>     Do we have support for DNSSEC in 1.18.1?
>>
>>     Iam exploring the src and see that there are some relevant
>>     changes in header files but I do not see that in query and answer
>>     handling.
>>     Regards
>>     Anant
>>
>
>     -- 
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>     c-ares at lists.haxx.se
>     https://lists.haxx.se/listinfo/c-ares
>
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