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

Klaus Darilion klaus.mailinglists at pernau.at
Fri Nov 27 09:49:00 CET 2009



Andres Moya schrieb:
> Messages disappeared, cool!
> 
> What From address better to use for ping messages? any? should be some  
> recommendations  i  guess.

I use something which eases debugging when I see the packets in a trace, 
e.g.: keepalive at yourdomain

regards
klaus

> 
> Daniel-Constantin Mierla wrote:
>> Hello,
>>
>> try the latest kamailio_3.0 branch. I did a fix for this case. The 
>> issue was pretty much harmless.
>>
>> Cheers,
>> Daniel
>>
>>
>> On 26.11.2009 19:51 Uhr, Andres Moya wrote:
>>> Ok, lets forward to developers?
>>>
>>> Klaus Darilion wrote:
>>>> Hi guys!
>>>>
>>>> I can reproduce the problem - I think there is a bug: nathelper's 
>>>> (k) sipping_rpl_filter function - which should absorb the replies - 
>>>> is not executed on received replies.
>>>>
>>>> Maybe there is problem in general with the reply callback or maybe 
>>>> there is a bug from consolidating ser's and kamailio's module 
>>>> interface?
>>>>
>>>> regards
>>>> klaus
>>>>
>>>>
>>>>
>>>>
>>>> Andres Moya schrieb:
>>>>> 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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>>>>>>> sr-users at lists.sip-router.org
>>>>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
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>>




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