[asterisk-users] groupcount fraud problem

[Marek Cervenka]

Dne 14.8.2013 13:35, Marek Cervenka napsal(a):
> hi,
>
> i have strange problem with call-limit/groupcount limiting. i set up 
> limit of 2 calls.
> i'm using both methods but a for few times i have problem with 
> successfull fraud with more calls than 2
>
> asterisk is 1.8.22
>
> someone with the same problem?
> any ideas how to solve or debug this problem?
>

it's seems like they are using some transfer or system code to modify 
call flow

in CDR i see

| calldate                         | duration| billsec | peerip | recvip 
| useragent | uniqueid | uri
| 2013-08-10 17:12:52 |        7 |       2 | attacker_ip  | attacker_ip  
| eyeBeam release 3006o stamp 17 | 1375679572.17728 | 
sip:clid_number at attacker_ip:14932     |
| 2013-08-10 17:13:03 |      666 |     660 | siptrunk_ip | siptrunk_ip | 
operator_switch              | 1375679583.17730 | 
sip:called_number at siptrunk_ip:5060 |


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Marek
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