Groupcount Fraud Problem

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Asterisk Users 1 Comment

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?

One thought on - Groupcount Fraud Problem

  • Dne 14.8.2013 13:35, Marek Cervenka napsal(a):

    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@attacker_ip:14932 |
    | 2013-08-10 17:13:03 | 666 | 660 | siptrunk_ip | siptrunk_ip |
    operator_switch | 1375679583.17730 |
    sip:called_number@siptrunk_ip:5060 |