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

[Bogdan-Andrei Iancu]

Hi Dan,

Dan Pascu wrote:
> On Tuesday 13 January 2009, Bogdan-Andrei Iancu wrote:
>   
>> HI Inaki,
>>
>> well, it could be a way to prevent it. For BYEs, the path is
>> pre-determined (via Route headers), so the dialog module could check if
>> the path from the current BYE is the same as the path stored in dialog
>> module by the INVITE - more or less if the BYE will follow the same
>> path as the INVITE.
>>     
>
> The information stored by the dialog module is incomplete: one proxy does 
> not have the complete route set if there are multiple proxies in the path
>   
A proxy has all the RR there were set for the dialog, so any proxy does 
has the info regarding the whole path that will be followed by the 
sequential requests..

Regards,
Bogdan