[SR-Users] how i should process replies on nathelper pings?

[Andres Moya]

I am using git to pull 3.0

[root at v kamailio]# cat .git/config
[core]
        repositoryformatversion = 0
        filemode = true
        bare = false
        logallrefupdates = true
[remote "origin"]
        url = git://git.sip-router.org/sip-router
        fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
        remote = origin
        merge = refs/heads/master
[branch "kamailio_3.0"]
        remote = origin
        merge = refs/heads/kamailio_3.0


I can't do anything in request route?
[root at v kamailio]# cat /usr/local/etc/kamailio/kamailio.cfg | grep nathelper
loadmodule "nathelper.so"
# ----- nathelper -----
#modparam("nathelper", "rtpproxy_sock", "udp:127.0.0.1:7722")
modparam("nathelper", "rtpproxy_sock", "/var/run/rtpproxy.sock")
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", 7)
modparam("nathelper", "sipping_from", "sip:pinger at riki.ru")
modparam("registrar|nathelper", "received_avp", "$avp(i:80)")


Maybe wrong with sipping_from address.

[root at v kamailio]# cat /usr/local/etc/kamailio/kamailio.cfg | grep riki.ru
alias=sip.riki.ru:5060
alias=sip.riki.ru:5070
modparam("presence", "server_address", "sip:sip.riki.ru:5060")
modparam("nathelper", "sipping_from", "sip:pinger at riki.ru")

well it is not a server name. but! it is local in database domains, and 
aliased. Changing to pinger at server IP...

U 195.167.152.55:5060 -> 77.37.164.119:32788
OPTIONS sip:77.37.164.119:32788 SIP/2.0.
Via: SIP/2.0/UDP 195.167.152.55:5060;branch=0.
From: sip:pinger at 195.167.152.55;tag=7b7af265.
To: sip:77.37.164.119:32788.
Call-ID: f2e08d27-ed2df483-8210ae1 at 195.167.152.55.
CSeq: 1 OPTIONS.
Content-Length: 0.
.

#
U 77.37.164.119:32788 -> 195.167.152.55:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP 195.167.152.55:5060;branch=0.
Contact: <sip:192.168.0.102:32788>.
To: <sip:77.37.164.119:32788>;tag=864a9e4d.
From: <sip:pinger at 195.167.152.55>;tag=7b7af265.
Call-ID: f2e08d27-ed2df483-8210ae1 at 195.167.152.55.
CSeq: 1 OPTIONS.
Accept: application/sdp.
Accept-Language: en.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, 
SUBSCRIBE, INFO.
User-Agent: X-Lite release 1103k stamp 53621.
Content-Length: 0.
.

Nov 26 15:42:19 v /usr/local/sbin/kamailio[29793]: ERROR: <core> 
[forward.c:695]: ERROR: forward_reply: no 2nd via found in reply




Klaus Darilion wrote:
> Never saw this yet. IIRC correctly, the responses should be consumed 
> by nathelper module before entering the script.
>
> which version are you using?
>
> klaus
>
> Andres Moya schrieb:
>> Hi.
>>
>> nathelper sending empty OPTIONS messages to clients. It have only one 
>> VIA, server's IP address(195.167.152.55). Then it got reply i have:
>> U 195.167.152.55:5060 -> 81.195.165.250:5060
>>  OPTIONS sip:81.195.165.250:5060 SIP/2.0..Via: SIP/2.0/UDP 
>> 195.167.152.55:5060;branch=0..From: 
>> sip:pinger at riki.ru;tag=e64c73d5..To: 
>> sip:81.195.165.250:5060..Call-ID: 680bed34-d2e5c741-0eff517 at 195.167.152
>>  .55..CSeq: 1 OPTIONS..Content-Length: 0....
>> #
>> U 81.195.165.250:5060 -> 195.167.152.55:5060
>>  SIP/2.0 200 OK..Via: SIP/2.0/UDP 
>> 195.167.152.55:5060;branch=0..Contact: <sip:10.0.52.103:5060>..To: 
>> <sip:81.195.165.250:5060>;tag=021c6509..From: 
>> <sip:pinger at riki.ru>;tag=e64c73d5..Call-ID: 680bed34-d2e
>>  5c741-0eff517 at 195.167.152.55..CSeq: 1 OPTIONS..Accept: 
>> application/sdp, application/sdp..Accept-Language: en..Allow: INVITE, 
>> ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, 
>> SUBSCRIBE..User-Agen
>>  t: Zoiper rev.5324..Allow-Events: presence..Content-Length: 0....
>> Nov 25 23:59:26 v /usr/local/sbin/kamailio[9697]: ERROR: <core> 
>> [forward.c:695]: ERROR: forward_reply: no 2nd via found in reply
>> #
>> U 195.167.152.55:5070 -> 86.154.150.209:5060
>>  OPTIONS sip:86.154.150.209:5060 SIP/2.0..Via: SIP/2.0/UDP 
>> 195.167.152.55:5070;branch=0..From: 
>> sip:pinger at riki.ru;tag=f64c73d5..To: 
>> sip:86.154.150.209:5060..Call-ID: 680bed34-e2e5c741-7eff517 at 195.167.152
>>  .55..CSeq: 1 OPTIONS..Content-Length: 0....
>> #
>> U 86.154.150.209:5060 -> 195.167.152.55:5070
>>  SIP/2.0 404 Not Found..Via: SIP/2.0/UDP 
>> 195.167.152.55:5070;branch=0..To: 
>> <sip:86.154.150.209>;tag=931uruqh0thc6crbneub..From: 
>> <sip:pinger at riki.ru>;tag=f64c73d5..Call-ID: 
>> 680bed34-e2e5c741-7eff517 at 195.1
>>  67.152.55..CSeq: 1 OPTIONS..Content-Length: 0....
>> Nov 25 23:59:33 v /usr/local/sbin/kamailio[9698]: ERROR: <core> 
>> [forward.c:695]: ERROR: forward_reply: no 2nd via found in reply
>>
>> Reply should be consumed by nathelper? or i should eat it somewhere?  
>> i can't do so in request route. and i can't use reply route because i 
>> can't set t_on_reply, it is not my request. There should be easy 
>> way... tired get ERROR: forward_reply: no 2nd via found in reply
>>
>> thanks
>>
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