[SR-Users] Determining if request is from a local domain

Fri Jul 15 09:15:12 CEST 2016

Hello,

kamcmd can list the aliases -- see 'kamcmd help' for the list of
commands that it can execute -- that can be handy to spot such issues in
the future.

Cheers,
Daniel

On 13/07/16 05:02, Shane Harrison wrote:
> Hi all,
>
> Solved! 
>
> As is often the case, after working all morning on the problem, after posting I discovered my error.  I noticed that I hadn't included in my post the "alias=" command.  It was indeed in my script but I had used aws-rcsstg.voip.systems instead of aws-rcsstg.vvoip.systems !
>
> I don't know how many times I have stared at that but I guess you often see what you want to see......
>
> Apologies for wasting your time.
>
> Kind regards
> Shane
>
>> -----Original Message-----
>> From: Shane Harrison
>> Sent: Wednesday, 13 July 2016 2:48 p.m.
>> To: 'sr-users at lists.sip-router.org'
>> Subject: Determining if request is from a local domain
>>
>> Hi all,
>>
>> From previous posts my understanding is that RURI's are matched against
>> reverse DNS lookup of listen addresses and aliases set via the "alias="
>> parameter in the config file (assuming the domain module isn't being used).
>> However I am having difficulty in getting this to work. From looking at the
>> code and the log file, it appears to me as if the alias isn't making it into the list
>> of hosts that is checked against for some reason.
>>
>>  Kamailio proxy is behind a loadbalancer (Kamailio dispatcher) and proxy is
>> trying to relay the request because it doesn't recognise it as a local domain.
>> Any thoughts on where my error is would be appreciated.
>>
>> Relevant CFG file section - note that
>> RCS_LB_PUBLIC_IP:RCS_LB_PUBLIC_PORT  is 52.64.xxx.221 :5061
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> ~~~~~~~~~~~~~~~~~~~~
>> auto_aliases=yes
>>
>> # aliases and listening settings for sipproxy alias="aws-rcsstg.voip.systems"
>> listen=tcp:10.4.1.62:5060 advertise
>> RCS_LB_PUBLIC_IP:RCS_LB_PUBLIC_PORT
>>
>>
>> My request is a REGISTER as follows:
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> received message
>> REGISTER call-id b2ed2fdd at 192.168.148.30 received from 10.4.1.62 raw msg
>> REGISTER sip:aws-rcsstg.vvoip.systems;transport=tls SIP/2.0
>> Via: SIP/2.0/TCP
>> 52.64.xxx.221:5060;branch=z9hG4bKa691.5fd57c2a783d3a5d7f6f80fcd0c815d
>> 6.0;i=d91
>> Via: SIP/2.0/TLS
>> 192.168.148.30:5061;received=203.171.46.54;rport=64515;branch=z9hG4bK68
>> b886fd00518;keep
>> From: <sip:+6421608919 at aws-
>> rcsstg.vvoip.systems;transport=tls>;tag=4af7e7d8
>> To: <sip:+6421608919 at aws-rcsstg.vvoip.systems;transport=tls>
>> Call-ID: b2ed2fdd at 192.168.148.30
>> CSeq: 1995005270 REGISTER
>> Max-Forwards: 69
>> Contact:
>> <sip:+6421608919 at 203.171.46.54:64515;transport=tls>;expires=240;+sip.inst
>> ance="<urn:uuid:23624e3d-c98e-3b76-9acb-5499202e2f8d>";reg-
>> id=1;+g.3gpp.iari-ref="urn%3Aurn-7%3A3gpp-
>> application.ims.iari.rcs.sm";+g.oma.sip-im;+g.3gpp.iari-ref="urn%3Aurn-
>> 7%3A3gpp-application.ims.iari.gsma-is";+g.3gpp.cs-voice;+g.3gpp.iari-
>> ref="urn%3Aurn-7%3A3gpp-application.ims.iari.gsma-vs";+g.3gpp.iari-
>> ref="urn%3Aurn-7%3A3gpp-application.ims.iari.rcse.sp";+g.3gpp.icsi-
>> ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel";video
>> User-Agent: FlowTalk-WindowsCommunicator_5.x
>> P-Access-Network-Info: IEEE-802.3
>> Allow:
>> INVITE,ACK,BYE,CANCEL,REFER,NOTIFY,OPTIONS,PRACK,UPDATE,INFO,MESS
>> AGE,SUBSCRIBE,PUBLISH
>> Allow-Events: refer, presence
>> Supported: 100rel, replaces, timer, gruu, join, histinfo, path
>> Date: Wed, 13 Jul 2016 00:27:39 GMT
>> Content-Length: 0
>> Path:
>> <sip:52.64.xxx.221:5060;transport=tcp;lr;received=sip:203.171.46.54:64515%3
>> Btransport%3Dtls>
>>
>>
>> Relevant section of the log where if( !uri == me ) is tested:
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Jul 13 03:18:06 aws-rcsstg-sip-proxy-i-b879b469 /usr/sbin/kamailio[9367]:
>> ERROR: *** cfgtrace:request_route=[SIPOUT]
>> c=[//etc/kamailio/kamailio.cfg] l=1052 a=16 n=if Jul 13 03:18:06 aws-rcsstg-
>> sip-proxy-i-b879b469 /usr/sbin/kamailio[9367]: DEBUG: <core>
>> [socket_info.c:583]: grep_sock_info(): grep_sock_info - checking if host==us:
>> 24==9 && [aws-rcsstg.vvoip.systems] == [10.4.1.62] Jul 13 03:18:06 aws-
>> rcsstg-sip-proxy-i-b879b469 /usr/sbin/kamailio[9367]: DEBUG: <core>
>> [socket_info.c:587]: grep_sock_info(): grep_sock_info - checking if port 5060
>> (advertise 5061) matches port 5061 Jul 13 03:18:06 aws-rcsstg-sip-proxy-i-
>> b879b469 /usr/sbin/kamailio[9367]: DEBUG: <core> [socket_info.c:603]:
>> grep_sock_info(): grep_sock_info - checking advertise if host==us: 24==13
>> && [aws-rcsstg.vvoip.systems] == [52.64.xxx.221] Jul 13 03:18:06 aws-rcsstg-
>> sip-proxy-i-b879b469 /usr/sbin/kamailio[9367]: DEBUG: <core>
>> [forward.c:448]: check_self(): check_self: host != me
>>
>>
>> Kind regards
>>
>> Shane Harrison
>> Senior Software Engineer
>>
>> Imagination Technologies NZ Limited
>> Level 2
>> 1 Market Grove
>> Lower Hutt, 5010
>> New Zealand
>>
>> PO Box 30-449
>> Lower Hutt, 5040
>> New Zealand
>>
>> Phone: +64 4 890-3681 ext 3361
>>
>
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-- 
Daniel-Constantin Mierla
http://www.asipto.com - http://www.kamailio.org
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda