[SR-Users] Disabling DNS SRV records checks

[Daniel-Constantin Mierla]

Hello,


I am not familiar with carrierroute and its internals, but I guess it
sets either request uri ($ru) or dst uri ($du).


Now, if the ruri is sip:user at domain.com, then kamailio will do dsn srv
to find out the target host port for sip service. If the ruri is
sip:user at domain.com:5060, then kamailio does only A/AAAA query for
domain.com (as per ietf rfc).


Probably you can try the variant you mentioned to see if the $ru/$du is
set accordingly -- I cannot help more with carrierroute in this regard.


Cheers,
Daniel


On 01/02/2017 15:04, Ahmed Fouad wrote:
>
> Hi Daniel,
>
>
> I'm using table carrierroute with scan_prefix and rewrite_host fields
> to match routing from DIDs to my servers and rewrite_host is like
>
> sub.domain.com only.
>
> do you like to add the hosts there with sub.domain.com:5060 ? or what ?
>
>
> /
> /
> ------------------------------------------------------------------------
> *From:* sr-users <sr-users-bounces at lists.sip-router.org> on behalf of
> Daniel-Constantin Mierla <miconda at gmail.com>
> *Sent:* Wednesday, February 1, 2017 3:53:52 PM
> *To:* Kamailio (SER) - Users Mailing List
> *Subject:* Re: [SR-Users] Disabling DNS SRV records checks
>  
>
> Hello,
>
>
> I don't remember by heart if there is any option to control DNS SRV
> records, but you can add the target port to the URI and then no SRV is
> performed.
>
>
> Cheers,
> Daniel
>
>
> On 01/02/2017 14:17, Ahmed Fouad wrote:
>>
>> Hi,
>>
>>
>> I'm running kamailio version 4.1 and having the following DNS related
>> configuration
>>
>>
>> use_dns_failover = off
>> dns_try_naptr = no
>> dns_udp_pref = -1
>> dns_try_ipv6 = off
>> dns_retr_time=1
>> dns_retr_no=1
>> dns_servers_no=1
>> dns_use_search_list=no
>>
>>
>> But still am seeing SRV record checks for my domains which I like to
>> completely disable these checks and only use A records only.
>>
>>
>> x.x.x.x.57828 > 8.8.8.8.53: 7417+ SRV? _sip._udp.subdomain.com
>>
>> 8.8.8.8.53 > x.x.x.x.57828: 7417 NXDomain 0/1/0 (129)
>>
>>
>> I can't find a DNS option to disable SRV checks.
>>
>>
>> Can you please advise ?
>>
>> /
>> /
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
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>
> -- 
> Daniel-Constantin Mierla
> www.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com

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