Thanks.

That helps a lot.

From: Daniel-Constantin Mierla <[email protected]>
Date: Thursday, September 10, 2020 at 10:38 PM
To: Kamailio (SER) - Users Mailing List <[email protected]>, Johnny 
Ritzer <[email protected]>
Subject: Re: [SR-Users] sngrep nor tcpdump showing 5060 traffic but ngrep /kama 
logs show something ? (outbound call)

Hello,

wss is not usually on port 5060, it can be on port 5061 (if you haven't 
configured another tls socket specially for wss traffic). Anyhow, wss traffic 
is encrypted, so sngrep will not match it as sip traffic.

If you want to see locally the wss sip traffic, load sipdump module, it will 
write in text files (the version in master can save the traffic in pcap files 
as well, although it will appear as being udp traffic, because it was simpler 
to build the pcap headers, however you can sport from the headers/ports what 
was the trasport layer, or enable to add the extra meta-data sip header).

If you already have homer, then you should see the wss encrypted traffic there.

Cheers,
Daniel
On 11.09.20 01:41, Johnny Ritzer wrote:
Hmmmm seeing that port 127.0.0.1….9060  looks like to capture and forward  to 
homer (I know I installed it at one time to try to some triage).

Maybe homer built for additional checks.
I just disabled the module hosting that port and I no longer see it in ngrep.

 my path  issue is  wss://  webrtc over to  uac.reg and FW it  off  to  PBX. So 
ill try  and  figure out where  in kama.cfg to hopefully get  it to fw to pbx  
and make call.


From: Johnny Ritzer <[email protected]><mailto:[email protected]>
Date: Thursday, September 10, 2020 at 4:32 PM
To: Kamailio (SER) - Users Mailing List 
<[email protected]><mailto:[email protected]>
Subject: Re: [SR-Users] sngrep nor tcpdump showing 5060 traffic but ngrep /kama 
logs show something ? (outbound call)
Ya I have other  scenarios  that show  up  like  inbound call.

So I did this (made a test call)  and saved output ngrep to pcap.

And open in wireshark  and I see it as protocol  UDP  with SIP enclosed  in data

ngrep -d any -qt -W byline port 5060 -O test.pcap

heres ngrep
 2020/09/10 23:19:51.109093 10.111.0.4:5060 -> 127.0.0.1:9060 #1
.......[F...
...INVITE sip:[email protected] SIP/2.0.
Via: SIP/2.0/WSS 4d8asfsdfag3f.invalid;branch=z9hG4bK2797686.
Max-Forwards: 70.
To: <sip:[email protected]><sip:[email protected]>.
From: "Ctx-WEBSIP-1138" 
<sip:[email protected]><sip:[email protected]>;tag=jd85ifa0f2.
Call-ID: 9pujji6vasdfasfrbn2.
CSeq: 906 INVITE.
Contact: 
<sip:[email protected];gr=urn:uuid:121211-a79d-4e76-a010-121211><sip:[email protected];gr=urn:uuid:121211-a79d-4e76-a010-121211>.
Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER.
Supported: gruu, outbound.
User-Agent: SIP.js/0.7.8.
Content-Type: application/sdp.
Content-Length: 2047.


From: sr-users 
<[email protected]><mailto:[email protected]>
Date: Thursday, September 10, 2020 at 4:19 PM
To: Kamailio (SER) - Users Mailing List 
<[email protected]><mailto:[email protected]>
Subject: Re: [SR-Users] sngrep nor tcpdump showing 5060 traffic but ngrep /kama 
logs show something ? (outbound call)
You sure you’re using 5060 on kamailio?

On Fri, 11 Sep 2020 at 00:04, Johnny Ritzer 
<[email protected]<mailto:[email protected]>> wrote:















No…  or not that I know of



This is a  temp GCP (as im building a POC to get this to a working concept.) 
trying to fine-tune config




From:

sr-users 
<[email protected]<mailto:[email protected]>>


Date: Thursday, September 10, 2020 at 3:33 PM


To: Kamailio (SER) - Users Mailing List 
<[email protected]<mailto:[email protected]>>


Subject: Re: [SR-Users] sngrep nor tcpdump showing 5060 traffic but ngrep /kama 
logs show something ? (outbound call)



Are you using vlans? In the past I had issues with ngrep if the packets had 
vlan tags on them.










On Thu, Sep 10, 2020 at 6:10 PM Johnny Ritzer 
<[email protected]<mailto:[email protected]>> wrote:





I can see kama logs./ngrep when I try to call out (WSS -> ) . But I cant see 
anything in sngrep nor tcpdump.




“ngrep -d any -qt -W byline port 5060”



Im not sure how/why or  it could be something simple but what puzzles me is I 
know im sending data but its not captured.

Setup is pbx at 24.xx.xx.xx but ext is uac.reg to stay connected.

UA client  = sip.js / wss


Inbound works(but  1 way  audio ill fix after outbound issue)

Outbound doesn’t dial out  (UA = webRTC client) using wss. Which led  me to 
troubleshoot  via  sngrep/tcpdump.



But I seet his when  it happens knowing I ame getting  something  sent.

Sep 10 21:48:36 kamaProx /usr/sbin/kamailio[27480]: WARNING: <script>: 
----RouteLogic--SIP request received on port 4443: from:1138 to:8040  
srcip:70.xx.xx.xx

Sep 10 21:48:36 kamaProx /usr/sbin/kamailio[27480]: INFO: <script>: START: 
INVITE from sip:[email protected] (IP: 70.xx.xx.xx:55041)

Sep 10 21:48:36 kamaProx /usr/sbin/kamailio[27480]: WARNING: <script>: 
----RouteLogic--SIP request received on port 4443: from:1138 to:8040  
srcip:70.xx.xx.xx

Sep 10 21:48:36 kamaProx /usr/sbin/kamailio[27480]: INFO: <script>: START: ACK 
from sip:[email protected] (IP: 70.xx.xx.xx:55041)



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Regards,

David Villasmil
email: [email protected]<mailto:[email protected]>
phone: +34669448337



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Daniel-Constantin Mierla -- www.asipto.com<http://www.asipto.com>

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