[SIP Beyond VoIP] Blink client local DNS usage

David Hubbard david.hubbard at agenor.co.uk
Mon Sep 30 13:34:34 CEST 2013


Apologies - sent to the wrong list !

On 30/09/2013 12:32, David Hubbard wrote:
> Hi
>
> I'm trying to get Blink Client connected to my (new) SylkServer 
> instance in a test setting - purely at this stage to get two client 
> instances talking to each other through SylkServer.
>
> My question is:  Is there a way to configure Blink to use local DNS 
> (via standard DNS setting) rather than perform DNS lookup through 
> default gateway?
>
>     I have a local DNS server (on Linux) that I am using to configure
>     all the required DNS entries - I am using a "dummy" domain -
>     "mycomp.dh".
>
>     I have pointed my Windows box to only look at this DNS server.
>     From Windows command line I can ping this dummy domain and do
>     nslookup on SRV and TXT records.
>
>     I can see from a packet capture that Blink is sending DNS requests
>     to my default gateway (local Wireless LAN) 192.168.2.1 and
>     bypassing my local DNS settings
>
>     Source       Destination     Protocol  Len Info
>     29 192.168.2.100    192.168.2.1     DNS        80 Standard query
>     0x3382 SRV _sip._tcp.mycomp.dh
>     30 192.168.2.1      192.168.2.100   DNS       150 Standard query
>     response 0x374d no such name
>
>     My DNS server setting is 192.168.2.10    and 192.168.2.1 is my
>     Default gateway
>
> Regards
> David
>
>
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