[SR-Users] fix_nated_contact() on REGISTER

[Daniel-Constantin Mierla]

On 6/2/10 10:58 AM, Klaus Darilion wrote:
>
>
> Am 02.06.2010 10:46, schrieb Klaus Darilion:
>>
>>
>> Am 01.06.2010 22:08, schrieb Daniel-Constantin Mierla:
>>>
>>>
>>> On 6/1/10 10:02 PM, Klaus Darilion wrote:
>>>> Daniel-Constantin Mierla wrote:
>>>>>
>>>>>
>>>>> On 6/1/10 9:07 PM, Alex Balashov wrote:
>>>>>> No, it'll store the fixed one, in the proper contact column, not the
>>>>>> received column. I do this all the time, even though it's not the
>>>>>> "proper" way.
>>>>> should be the original one with the last version, afaik. There were
>>>>> issues with phones accepting calls which had a different uri than the
>>>>> address they set in contact of register.
>>>>>
>>>>> So, the contact details were brocken in:
>>>>> - contact - the address from header
>>>>> - received - built from source ip and port
>>>>> - socket - local socket where the register was received
>>>>>
>>>>> Note that there are two functions, fix_nated_contact() and
>>>>> fix_nated_registrar().
>>>>
>>>> I know. I always use fix_nated_register. I just wonder why save()
>>>> saves the fixed contact in case of fix_nated_contact(), because
>>>> usually we have the problem that changes to the message are only
>>>> visible when the message is forwarded (lumps are applied)
>>>>
>>> but are you sure the fixed contact is saved? I quick look in the
>>> registrar code seems to take the contact from headers, which are
>>> pointing inside original message.
>>
>> I just tested with kamailio 3.0 and you are right. Yesterday I tested
>> with ser 0.9.? and fix_nated_contact() seemed to save the rewritten
>> contact header - strange.
>
> I have to correct myself - I made an error during the test. Kamailio 
> 3.0 with fix_nated_contact() saves the fixed contact URI (see below).

I will do some tests and look at it later. I checked my devel server and 
when using fix_nated_registrar() (like in default config) it is the 
address from contact header...

Thanks,
Daniel

>
> regards
> Klaus
>
>
> U 2010/06/02 10:54:44.731304 83.136.33.3:46772 -> 83.136.32.159:5060
> REGISTER sip:labs.nic.at SIP/2.0
> Via: SIP/2.0/UDP 
> 10.10.0.51:46772;branch=z9hG4bK-d8754z-5232d81c6b5f615a-1---d8754z-;rport
> Max-Forwards: 70
> Contact: 
> <sip:klaus.darilion at 10.10.0.51:46772;rinstance=cdb12231d83fce68;transport=udp> 
>
> To: <sip:klaus.darilion at labs.nic.at>
> From: <sip:klaus.darilion at labs.nic.at>;tag=59004f11
> Call-ID: NzE5Yjg0YTllNTFkNGIyZDA1N2NlY2I3ODllMmMzZTM.
> CSeq: 2 REGISTER
> Expires: 3600
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, 
> SUBSCRIBE, INFO
> Content-Length: 0
>
> U 2010/06/02 10:54:44.731304 83.136.32.159:5060 -> 83.136.33.3:46772
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 
> 10.10.0.51:46772;branch=z9hG4bK-d8754z-5232d81c6b5f615a-1---d8754z-;rport=46772;received=83.136.33.3 
>
> To: 
> <sip:klaus.darilion at labs.nic.at>;tag=5fcf32020f171aefa0445747f7988cba.e233 
>
> From: <sip:klaus.darilion at labs.nic.at>;tag=59004f11
> Call-ID: NzE5Yjg0YTllNTFkNGIyZDA1N2NlY2I3ODllMmMzZTM.
> CSeq: 2 REGISTER
> Contact: 
> <sip:klaus.darilion at 83.136.33.3:46772;rinstance=cdb12231d83fce68>;expires=60 
>
> Server: kamailio (3.0.1 (i386/linux))
> Content-Length: 0
>
>
>
>
> # kamctl ul show
> Domain:: location table=512 records=1 max_slot=1
>                 Contact:: 
> sip:klaus.darilion at 83.136.33.3:46772;rinstance=cdb12231d83fce68 Q=
>                         Expires:: 54
>                         Callid:: NzE5Yjg0YTllNTFkNGIyZDA1N2NlY2I3OD
>                         Cseq:: 2
>                         User-agent:: eyeBeam release 1102q stamp 51814
>                         State:: CS_SYNC
>                         Flags:: 0
>                         Cflag:: 64
>                         Socket:: udp:83.136.32.159:5060
>                         Methods:: 5087
>
>
>
>
>
>
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-- 
Daniel-Constantin Mierla
Kamailio (OpenSER) Advanced Training
Miami, Fl, USA - June 21-23, 2010
http://www.asipto.com/index.php/kamailio-advanced-training/