26 Feb
2013
26 Feb
'13
10:56 a.m.
Hello,
On 2/22/13 7:37 PM, Olle E. Johansson wrote:
Hi!
I can see that there's been some discussion about SIP loop detection on the OpenSER
and SER mailing lists, but I must have missed the conclusion. Apart from setting a
max-forwards, how would you configure your Kamailio server to prevent looping?
loop
detection can have several rules. Looking at the stack of Via
addresses is not enough usually, it has to check also if the r-uri it is
different than previous cycle. It can be coded in configuration file
using htable, but I guess it can get in some level of complexity when
having to deal with parallel forking. Perhaps a config function doing
all the logic inside would be nicer, but considering that max forwards
does the job at some point, nobody spent the time for something else.
Cheers,
Daniel
--
Daniel-Constantin Mierla - http://www.asipto.com
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Kamailio World Conference, April 16-17, 2013, Berlin
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