[OpenSIPS-Users] Accounting: How to avoid a fraudulent BYE with lower CSeq?

[Adrian Georgescu]

The dialog module could eventually be used to detect out of sync Cseq  
and take decision to terminate the call. Is this feasible?

Adrian

On Dec 19, 2008, at 3:59 PM, Victor Pascual Ávila wrote:

> On Fri, Dec 19, 2008 at 3:22 PM, Bogdan-Andrei Iancu
> <bogdan at voice-system.ro> wrote:
>> Hi Iñaki,
>>
>> Have you consider requesting auth for the BYE ? from SIP point of  
>> view
>> is perfectly valid....
>
> I'm afraid this would only prevent external attackers but does not
> protect you from your own customers-- guys who have the credentials
> and wanna call for free.
>
> Cheers,
> -- 
> Victor Pascual Ávila
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