[SR-Users] Kamailio $Rp variable showing wrong port

[Shahid Hussain]

Hi  Daniel,
Attaching the filtered  pcap with response for an OPTION message.
I am also attaching the all pcap with no filter having all SIP messages
being communicated, there is no data coming on port 8080.

Regards,
Shahid

On Thu, Jun 24, 2021 at 1:21 PM Daniel-Constantin Mierla <miconda at gmail.com>
wrote:

> Hello,
>
> the pcap shows only the OPTIONS requests, not the replies. Maybe you have
> to capture the traffic also on 8080 to catch it. It would important to see
> the reply and where it is sent back to kamailio.
>
> Cheers,
> Daniel
> On 24.06.21 09:24, Shahid Hussain wrote:
>
> Hi,
> I have configured the dispatcher default socket as below IP , the
> expectation here is that kamailio should send all traffic from this IP
> (port will be ephemeral) over TCP.
> modparam("dispatcher", "ds_default_socket", "tcp:172.27.45.219:5060")
>
> This system also listens on port 8080 which is meant for websocket
> communication (dispatcher communication is over non websocket).
>
> Kamailio is sending an OPTION message to dispatcher IP over TCP on 5060
> and getting 200 OK response but Kamailio considering the response is on
> websocket port 8080 ,$Rp value is 8080.
>
> onreply_route {
>      if (($Rp == 8080 ) && !(proto == WS))
>         {
>                 xlog("L_WARN", "SIP response received on $Rp
> protocol:proto RIP:$Ri SIP:$si method:$rm cid:$ci replystatus:$rs
> len:$ml\n");
>                 xlog("L_WARN", "SIP message received: $mb\n");
>                 drop;
>         }
>
> .....
> ....
> }
>
> Following is the output of above logs:
> Jun 24 15:10:08 localhost /usr/sbin/kamailio[6223]: WARNING: {2 10 OPTIONS
> 1ab6573a4640823b-6209 at 172.27.45.198} <script>: SIP response received on 8080
> protocol:tcp  RIP:172.27.45.219 SIP:172.27.44.125 method:OPTIONS
> cid:1ab6573a4640823b-6209 at 172.27.45.198 replystatus:200 len:416
>
> Jun 24 15:10:08 localhost /usr/sbin/kamailio[6223]: WARNING: {2 10 OPTIONS
> 1ab6573a4640823b-6209 at 172.27.45.198} <script>: SIP message received:
> SIP/2.0 200 OK#015#012Via: SIP/2.0/TCP 172.27.45.198:5060;branch=z9hG4bK4526.92b79f34000000000000000000000000.0;received=172.27.45.219#015#012From:
> <sip:dispatcher at localhost>;tag=1ae6c95d92f9ea9ce927f715de5c48c8-eb141029#015#012To:
> <sip:172.27.44.125:5060;transport=tcp>;tag=a9d542e0#015#012Call-ID:
> 1ab6573a4640823b-6209 at 172.27.45.198#015#012CSeq
> <http://1ab6573a4640823b-6209@172.27.45.198#015%23012CSeq>: 10
> OPTIONS#015#012Allow: INVITE, ACK, BYE, OPTIONS, CANCEL, INFO, UPDATE,
> NOTIFY#015#012Content-Length: 0
>
>
> Also I have attached a pcap.
>
> Dispatcher.list configuration:
> 1 sip:172.27.44.125:5060;transport=tcp 0 0 duid=sample-cas;maxload=1000
>
> Thanks,
> Shahid
>
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> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
>
>
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