[SR-Users] CRLF Error with tcp_crlf_ping

[Jijo]

Hello,

Yes it is sending CRLF after the second CRLF from client.

Another thing is, Kamailio would send CRLF even if the second CRLF come
after few seconds.

I believe we don't have any way to drop it ?

Thanks
Jijo


On Fri, Mar 23, 2012 at 5:34 AM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

>  Hello,
>
> is kamailio sending crlf after the second crlf from the client?
>
> There is no notion of a packet in a stream connection, even a sip packet
> can be send char by char and the server has to assemble it by keep reading
> in a local buffer until all is retrieved.
>
> Cheers,
> Daniel
>
>
> On 3/23/12 1:50 AM, Jijo wrote:
>
> Hi
>
>  Sorry for the late reply,
>
>  I observed this issue when testing with broken TLS UA, which was sending
> CRLF in two packets instead of double CRLF in a single packet.
>
>  It is very easy to recreate using openssl s_client command , where
> kamailio as server
>
>   openssl s_client -connect 192.168.2.151:5061  -CAfile serverCA.pem
>  -crlf
>
>
>  After the connection established by the client, Press enter key two
> times from the key board, which will send CRLF in two packet to server and
> You would see CRLF replied back by Kamailio
>
>  Note:-crlf will send CR as CRLF in a single packet to server.
>
>  Thanks
> Jijo
>
>
>
>
>
> On Sat, Mar 10, 2012 at 6:27 AM, Daniel-Constantin Mierla <
> miconda at gmail.com> wrote:
>
>> Hello,
>>
>> looking at the code, it seems that CRLF is sent only after CRLFCRLF. Can
>> you get a pcap for your case?
>>
>> Cheers,
>> Daniel
>>
>>  On Tue, Feb 28, 2012 at 5:28 PM, Jijo <realjijo at gmail.com> wrote:
>>
>>>  Hi All.
>>>
>>>  As per the tcp_crlf_ping description, kamailio shall reply CRLF only
>>> when it receives "CRLF CRLF".  But In the 3.1.0 version, if kamailio
>>> recieves "CRLF", it respond back CRLF.  Is this an expected behavior or an
>>> error?
>>>
>>>  Thanks
>>>  Jijo
>>>
>>>  _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>>
>>
>>
>> --
>> Daniel-Constantin Mierla
>>   http://www.asipto.com
>>
>
>
> --
> Daniel-Constantin Mierla
> Kamailio Advanced Training, April 23-26, 2012, Berlin, Germanyhttp://www.asipto.com/index.php/kamailio-advanced-training/
>
>
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