[OpenSIPS-Users] Enum modul

Miha miha at softnet.si
Thu Jan 15 14:03:00 CET 2015


Hi Bogdan,

Tnx for info. In future this future would be good to
implement;)

Ne
Miha

On Thu, 15 Jan 2015 14:30:59 +0200
 Bogdan-Andrei Iancu <bogdan at opensips.org> wrote:
> Hi Miha,
> 
> In OpenSIPS, for any DNS lookup, the res_search()
> frunction from glib is used, function that uses the
> /etc/resolv.conf file for fetching the default DNS
> server.
> I guess this function does not have the ability to figure
> out what's the direct DNS server and go directly there.
> 
> Best regards,
> 
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
> 
> On 14.01.2015 08:17, Miha wrote:
> > Hi,
> >
> > I am using enum module for ported numbers. Everything
> works fine just one thing is that is bothering me.
> >
> > If I use dig to see who is authoritative dns server for
> one enum zone I can see that this not not dns server
> which is set in resolve.conf, so opensips should be doing
> this dns request for enum to authoritative dns server.
> >
> > I have exactly the same config on nextone sbc and it is
> sending request to authoritative dns server for this
> zone.
> >
> > How to fix this as now opensips sends request to non
> authoritative server for this zone, dns server send it to
> enum server and then in oposite direction for resonses
> which is not ok.
> >
> > Thx
> > Miha
> >
> > trace:
> >
> >  7.476490 opensips -> DNS SERVER DNS 102 Standard query
> 0x0687 NAPTR 0.5.1.3.0.3.8.1.6.8.3.enumzone.domain.com
> >   7.478184 DNS SERVER -> opensips DNS 143 Standard
> query response 0x0687 No such name
> >
> > [root at sip2 ~]# dig enumzone.domain.com NS
> >
> > ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6 <<>>
> enumzone.domain.com NS
> > ;; global options: +cmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id:
> 42310
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0,
> ADDITIONAL: 1
> >
> > ;; QUESTION SECTION:
> > ;enumzone.domain.com.            IN      NS
> >
> > ;; ANSWER SECTION:
> > enumzone.domain.com.     239     IN      NS
> ns1.enum.domain.com.
> >
> > ;; ADDITIONAL SECTION:
> > ns1.enum.domain.com.    251     IN      A
>       ENUM_SERVER
> >
> > ;; Query time: 0 msec
> > ;; SERVER: DNS SERVER#53(DNS SERVER)
> > ;; WHEN: Wed Jan 14 07:05:28 2015
> > ;; MSG SIZE  rcvd: 75
> >
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at lists.opensips.org
> >
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
> >
> >
> 




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